./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/bhmr2007.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/bhmr2007.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme --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 07cb9038cdaf0e413365ff784390031a7ba733892c02a00ed18b47b0bbaf3c4d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:41,765 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:41,839 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-26 11:59:41,844 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:41,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:41,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:41,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:41,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:41,874 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:41,875 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:41,876 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:41,876 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:41,877 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:41,878 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-26 11:59:41,878 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-26 11:59:41,879 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-26 11:59:41,879 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-26 11:59:41,880 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-26 11:59:41,881 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-26 11:59:41,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:41,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-26 11:59:41,888 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:41,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:59:41,890 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:41,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:41,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-26 11:59:41,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-26 11:59:41,897 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-26 11:59:41,897 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:59:41,898 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:41,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:41,898 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-26 11:59:41,902 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:41,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:41,903 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:41,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:41,904 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:59:41,905 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-26 11:59:41,906 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_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cb9038cdaf0e413365ff784390031a7ba733892c02a00ed18b47b0bbaf3c4d [2023-11-26 11:59:42,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:42,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:42,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:42,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:42,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:42,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/loop-lit/bhmr2007.i [2023-11-26 11:59:45,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:45,572 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:45,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/sv-benchmarks/c/loop-lit/bhmr2007.i [2023-11-26 11:59:45,582 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/data/eadcac71a/32909ae2db76474990b610231eae3880/FLAGb42c3ca08 [2023-11-26 11:59:45,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/data/eadcac71a/32909ae2db76474990b610231eae3880 [2023-11-26 11:59:45,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:45,601 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:45,602 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:45,602 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:45,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:45,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:45" (1/1) ... [2023-11-26 11:59:45,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac1272 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45, skipping insertion in model container [2023-11-26 11:59:45,618 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:45" (1/1) ... [2023-11-26 11:59:45,641 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:45,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:45,889 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:45,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:45,934 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:45,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45 WrapperNode [2023-11-26 11:59:45,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:45,936 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:45,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:45,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:45,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45" (1/1) ... [2023-11-26 11:59:45,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45" (1/1) ... [2023-11-26 11:59:45,979 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-11-26 11:59:45,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:45,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:45,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:45,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:45,994 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45" (1/1) ... [2023-11-26 11:59:45,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45" (1/1) ... [2023-11-26 11:59:45,995 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45" (1/1) ... [2023-11-26 11:59:46,008 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:59:46,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45" (1/1) ... [2023-11-26 11:59:46,009 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45" (1/1) ... [2023-11-26 11:59:46,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45" (1/1) ... [2023-11-26 11:59:46,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45" (1/1) ... [2023-11-26 11:59:46,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45" (1/1) ... [2023-11-26 11:59:46,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45" (1/1) ... [2023-11-26 11:59:46,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:46,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:46,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:46,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:46,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45" (1/1) ... [2023-11-26 11:59:46,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:46,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:46,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:46,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:59:46,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:46,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:46,178 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:46,180 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:59:46,306 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:59:46,316 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:59:46,316 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:59:46,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:46 BoogieIcfgContainer [2023-11-26 11:59:46,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:59:46,319 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-26 11:59:46,320 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-26 11:59:46,324 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-26 11:59:46,325 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:59:46,325 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.11 11:59:45" (1/3) ... [2023-11-26 11:59:46,327 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@126a309d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:59:46, skipping insertion in model container [2023-11-26 11:59:46,327 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:59:46,327 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:45" (2/3) ... [2023-11-26 11:59:46,328 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@126a309d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.11 11:59:46, skipping insertion in model container [2023-11-26 11:59:46,328 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-26 11:59:46,328 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:46" (3/3) ... [2023-11-26 11:59:46,330 INFO L332 chiAutomizerObserver]: Analyzing ICFG bhmr2007.i [2023-11-26 11:59:46,390 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-26 11:59:46,391 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-26 11:59:46,391 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-26 11:59:46,391 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-26 11:59:46,391 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-26 11:59:46,392 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-26 11:59:46,392 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-26 11:59:46,392 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-26 11:59:46,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:46,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 11:59:46,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:59:46,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:59:46,423 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 11:59:46,423 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 11:59:46,423 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-26 11:59:46,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:59:46,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-26 11:59:46,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-26 11:59:46,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-26 11:59:46,426 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-26 11:59:46,426 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-26 11:59:46,435 INFO L748 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_~i~0#1, main_~n~0#1, main_~a~0#1, main_~b~0#1;havoc main_~i~0#1;havoc main_~n~0#1;havoc main_~a~0#1;havoc main_~b~0#1;main_~i~0#1 := 0;main_~a~0#1 := 0;main_~b~0#1 := 0;havoc main_#t~nondet1#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4#L27true assume !!(main_~n~0#1 >= 0 && main_~n~0#1 <= 1000000); 6#L28-2true [2023-11-26 11:59:46,436 INFO L750 eck$LassoCheckResult]: Loop: 6#L28-2true assume !!(main_~i~0#1 < main_~n~0#1);havoc main_#t~nondet2#1; 5#L29true assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~a~0#1 := 1 + main_~a~0#1;main_~b~0#1 := 2 + main_~b~0#1; 15#L29-2true main_~i~0#1 := 1 + main_~i~0#1; 6#L28-2true [2023-11-26 11:59:46,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:46,443 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-26 11:59:46,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:46,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342513310] [2023-11-26 11:59:46,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:46,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:46,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:46,678 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:46,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:46,681 INFO L85 PathProgramCache]: Analyzing trace with hash 45779, now seen corresponding path program 1 times [2023-11-26 11:59:46,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:46,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77805352] [2023-11-26 11:59:46,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:46,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:46,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:46,730 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:46,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:46,732 INFO L85 PathProgramCache]: Analyzing trace with hash 889575248, now seen corresponding path program 1 times [2023-11-26 11:59:46,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:46,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875044781] [2023-11-26 11:59:46,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:46,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:46,762 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:46,790 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:46,928 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:59:46,929 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:59:46,929 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:59:46,929 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:59:46,930 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-26 11:59:46,930 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:46,930 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:59:46,930 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:59:46,930 INFO L133 ssoRankerPreferences]: Filename of dumped script: bhmr2007.i_Iteration1_Loop [2023-11-26 11:59:46,930 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:59:46,931 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:59:46,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:46,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:46,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:46,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:47,031 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:59:47,032 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-26 11:59:47,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:47,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:47,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:47,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-26 11:59:47,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:59:47,039 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:59:47,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-26 11:59:47,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:47,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:47,057 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:47,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-26 11:59:47,061 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 11:59:47,061 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:59:47,108 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 11:59:47,108 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~b~0#1=0} Honda state: {ULTIMATE.start_main_~b~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~b~0#1=7}, {ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~b~0#1=-5}] Lambdas: [1, 9, 1] Nus: [1, 0] [2023-11-26 11:59:47,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:47,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:47,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:47,118 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:47,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-26 11:59:47,124 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:59:47,125 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:59:47,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:47,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:47,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:47,164 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:47,172 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 11:59:47,172 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:59:47,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-26 11:59:47,209 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 11:59:47,209 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=5}, {ULTIMATE.start_main_~a~0#1=4}, {ULTIMATE.start_main_~a~0#1=-8}] Lambdas: [1, 3, 1] Nus: [0, 1] [2023-11-26 11:59:47,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:47,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:47,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:47,219 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:47,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-26 11:59:47,225 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:59:47,225 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:59:47,247 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-26 11:59:47,247 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-26 11:59:47,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:47,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:47,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:47,259 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:47,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-26 11:59:47,265 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-26 11:59:47,267 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:59:47,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:47,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:47,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:47,300 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:47,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-26 11:59:47,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-26 11:59:47,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-26 11:59:47,469 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-26 11:59:47,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:47,474 INFO L210 LassoAnalysis]: Preferences: [2023-11-26 11:59:47,474 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-26 11:59:47,474 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-26 11:59:47,474 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-26 11:59:47,474 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-26 11:59:47,475 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:47,475 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-26 11:59:47,475 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-26 11:59:47,475 INFO L133 ssoRankerPreferences]: Filename of dumped script: bhmr2007.i_Iteration1_Loop [2023-11-26 11:59:47,475 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-26 11:59:47,475 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-26 11:59:47,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:47,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:47,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:47,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-26 11:59:47,573 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-26 11:59:47,578 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-26 11:59:47,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:47,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:47,580 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:47,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-26 11:59:47,584 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 [2023-11-26 11:59:47,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:47,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:47,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:47,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:47,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:47,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:47,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:47,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:47,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:47,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:47,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:47,639 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:47,653 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 [2023-11-26 11:59:47,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-26 11:59:47,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:47,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:47,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:47,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:47,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:47,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:47,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:47,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-26 11:59:47,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:47,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:47,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:47,694 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:47,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-26 11:59:47,700 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 [2023-11-26 11:59:47,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-26 11:59:47,711 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-26 11:59:47,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-26 11:59:47,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-26 11:59:47,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-26 11:59:47,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-26 11:59:47,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-26 11:59:47,741 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-26 11:59:47,758 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-26 11:59:47,758 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2023-11-26 11:59:47,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-26 11:59:47,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:47,780 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:47,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-26 11:59:47,783 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-26 11:59:47,783 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-26 11:59:47,783 INFO L513 LassoAnalysis]: Proved termination. [2023-11-26 11:59:47,784 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2023-11-26 11:59:47,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:47,793 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-26 11:59:47,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:47,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:59:47,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:47,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 11:59:47,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:59:47,940 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-26 11:59:47,942 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-26 11:59:48,000 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 35 states and 45 transitions. Complement of second has 8 states. [2023-11-26 11:59:48,003 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 [2023-11-26 11:59:48,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-26 11:59:48,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 29 transitions. [2023-11-26 11:59:48,010 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 3 letters. Loop has 3 letters. [2023-11-26 11:59:48,011 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:48,011 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-26 11:59:48,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:48,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 29 transitions. Stem has 3 letters. Loop has 6 letters. [2023-11-26 11:59:48,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-26 11:59:48,013 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 45 transitions. [2023-11-26 11:59:48,017 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:59:48,019 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2023-11-26 11:59:48,021 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-26 11:59:48,021 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-26 11:59:48,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-26 11:59:48,022 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:59:48,022 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:59:48,022 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:59:48,022 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:59:48,022 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-26 11:59:48,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:59:48,023 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-26 11:59:48,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-26 11:59:48,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.11 11:59:48 BoogieIcfgContainer [2023-11-26 11:59:48,031 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-26 11:59:48,032 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:59:48,032 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:59:48,032 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:59:48,033 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:46" (3/4) ... [2023-11-26 11:59:48,035 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:59:48,036 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:59:48,037 INFO L158 Benchmark]: Toolchain (without parser) took 2436.28ms. Allocated memory is still 159.4MB. Free memory was 117.7MB in the beginning and 92.0MB in the end (delta: 25.6MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2023-11-26 11:59:48,038 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory was 62.7MB in the beginning and 62.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:48,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.24ms. Allocated memory is still 159.4MB. Free memory was 117.5MB in the beginning and 107.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-26 11:59:48,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.99ms. Allocated memory is still 159.4MB. Free memory was 107.1MB in the beginning and 105.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:48,040 INFO L158 Benchmark]: Boogie Preprocessor took 56.23ms. Allocated memory is still 159.4MB. Free memory was 105.4MB in the beginning and 103.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 11:59:48,040 INFO L158 Benchmark]: RCFGBuilder took 281.22ms. Allocated memory is still 159.4MB. Free memory was 103.9MB in the beginning and 94.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-26 11:59:48,041 INFO L158 Benchmark]: BuchiAutomizer took 1711.79ms. Allocated memory is still 159.4MB. Free memory was 94.4MB in the beginning and 92.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. [2023-11-26 11:59:48,042 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 159.4MB. Free memory was 92.6MB in the beginning and 92.0MB in the end (delta: 580.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:48,045 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory was 62.7MB in the beginning and 62.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.24ms. Allocated memory is still 159.4MB. Free memory was 117.5MB in the beginning and 107.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.99ms. Allocated memory is still 159.4MB. Free memory was 107.1MB in the beginning and 105.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.23ms. Allocated memory is still 159.4MB. Free memory was 105.4MB in the beginning and 103.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.22ms. Allocated memory is still 159.4MB. Free memory was 103.9MB in the beginning and 94.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1711.79ms. Allocated memory is still 159.4MB. Free memory was 94.4MB in the beginning and 92.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.7MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 159.4MB. Free memory was 92.6MB in the beginning and 92.0MB in the end (delta: 580.6kB). 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 * i) + n) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. 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, 17 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax100 hnf100 lsp54 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf111 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-26 11:59:48,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-26 11:59:48,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9c03fe34-4bc0-4066-9367-3990b3d5baeb/bin/uautomizer-verify-VRDe98Ueme/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