./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/array_2-2-simple.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_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/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_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/array_2-2-simple.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/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_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/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 c189c1cb91ea61745da6126e2d9c114f6ae511079741dc75bc227de256009336 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:40:41,951 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:40:42,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:40:42,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:40:42,035 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:40:42,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:40:42,062 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:40:42,063 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:40:42,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:40:42,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:40:42,065 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:40:42,066 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:40:42,066 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:40:42,067 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:40:42,068 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:40:42,068 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:40:42,069 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:40:42,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:40:42,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:40:42,071 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:40:42,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:40:42,072 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:40:42,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:40:42,074 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:40:42,074 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:40:42,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:40:42,076 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:40:42,076 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:40:42,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:40:42,077 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:40:42,078 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:40:42,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:40:42,079 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:40:42,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:40:42,080 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:40:42,081 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:40:42,082 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_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c189c1cb91ea61745da6126e2d9c114f6ae511079741dc75bc227de256009336 [2023-11-19 07:40:42,418 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:40:42,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:40:42,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:40:42,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:40:42,454 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:40:42,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loop-acceleration/array_2-2-simple.i [2023-11-19 07:40:45,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:40:45,842 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:40:45,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/sv-benchmarks/c/loop-acceleration/array_2-2-simple.i [2023-11-19 07:40:45,851 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/data/2e3300c6c/451364d30e3c4cbfa2300b4ab3ccf5a1/FLAG0886ab5bc [2023-11-19 07:40:45,869 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/data/2e3300c6c/451364d30e3c4cbfa2300b4ab3ccf5a1 [2023-11-19 07:40:45,872 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:40:45,874 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:40:45,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:45,879 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:40:45,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:40:45,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:45" (1/1) ... [2023-11-19 07:40:45,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76fe3a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:45, skipping insertion in model container [2023-11-19 07:40:45,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:40:45" (1/1) ... [2023-11-19 07:40:45,916 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:40:46,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:46,164 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:40:46,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:40:46,211 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:40:46,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:46 WrapperNode [2023-11-19 07:40:46,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:40:46,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:46,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:40:46,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:40:46,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:46" (1/1) ... [2023-11-19 07:40:46,232 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:46" (1/1) ... [2023-11-19 07:40:46,256 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2023-11-19 07:40:46,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:40:46,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:40:46,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:40:46,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:40:46,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:46" (1/1) ... [2023-11-19 07:40:46,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:46" (1/1) ... [2023-11-19 07:40:46,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:46" (1/1) ... [2023-11-19 07:40:46,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:46" (1/1) ... [2023-11-19 07:40:46,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:46" (1/1) ... [2023-11-19 07:40:46,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:46" (1/1) ... [2023-11-19 07:40:46,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:46" (1/1) ... [2023-11-19 07:40:46,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:46" (1/1) ... [2023-11-19 07:40:46,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:40:46,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:40:46,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:40:46,299 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:40:46,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:46" (1/1) ... [2023-11-19 07:40:46,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:46,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:46,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:46,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:40:46,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:40:46,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:40:46,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 07:40:46,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:40:46,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:40:46,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:40:46,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:40:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:40:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:40:46,463 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:40:46,465 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:40:46,587 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:40:46,594 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:40:46,594 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:40:46,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:46 BoogieIcfgContainer [2023-11-19 07:40:46,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:40:46,599 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:40:46,599 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:40:46,603 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:40:46,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:40:46,604 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:40:45" (1/3) ... [2023-11-19 07:40:46,605 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@288b2066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:40:46, skipping insertion in model container [2023-11-19 07:40:46,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:40:46,606 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:40:46" (2/3) ... [2023-11-19 07:40:46,606 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@288b2066 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:40:46, skipping insertion in model container [2023-11-19 07:40:46,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:40:46,607 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:46" (3/3) ... [2023-11-19 07:40:46,608 INFO L332 chiAutomizerObserver]: Analyzing ICFG array_2-2-simple.i [2023-11-19 07:40:46,662 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:40:46,662 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:40:46,662 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:40:46,662 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:40:46,662 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:40:46,663 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:40:46,663 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:40:46,663 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:40:46,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 07:40:46,691 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 07:40:46,698 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:40:46,699 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:40:46,704 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:40:46,704 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:40:46,705 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:40:46,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 07:40:46,707 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 07:40:46,707 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:40:46,707 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:40:46,707 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:40:46,708 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:40:46,716 INFO L748 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem2#1, main_#t~post1#1, main_#t~mem3#1, main_#t~mem4#1, main_~#A~0#1.base, main_~#A~0#1.offset, main_~#B~0#1.base, main_~#B~0#1.offset, main_~i~0#1, main_~tmp~0#1;call main_~#A~0#1.base, main_~#A~0#1.offset := #Ultimate.allocOnStack(8192);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, main_~#A~0#1.base);call write~unchecked~int(0, main_~#A~0#1.base, main_~#A~0#1.offset, 4);call main_~#B~0#1.base, main_~#B~0#1.offset := #Ultimate.allocOnStack(8192);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, main_~#B~0#1.base);call write~unchecked~int(0, main_~#B~0#1.base, main_~#B~0#1.offset, 4);havoc main_~i~0#1;havoc main_~tmp~0#1;main_~i~0#1 := 0; 9#L24-3true [2023-11-19 07:40:46,716 INFO L750 eck$LassoCheckResult]: Loop: 9#L24-3true assume !!(main_~i~0#1 < 2048);call main_#t~mem2#1 := read~int(main_~#A~0#1.base, main_~#A~0#1.offset + 4 * main_~i~0#1, 4);main_~tmp~0#1 := main_#t~mem2#1;havoc main_#t~mem2#1;call write~int(main_~tmp~0#1, main_~#B~0#1.base, main_~#B~0#1.offset + 4 * main_~i~0#1, 4); 4#L24-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 9#L24-3true [2023-11-19 07:40:46,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:46,722 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-19 07:40:46,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:46,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108332352] [2023-11-19 07:40:46,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:46,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:46,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:46,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:46,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:46,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-19 07:40:46,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:46,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221998542] [2023-11-19 07:40:46,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:46,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:47,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:47,008 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:47,029 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:47,032 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:47,032 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-19 07:40:47,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:40:47,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514588874] [2023-11-19 07:40:47,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:40:47,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:40:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:47,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:40:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:40:47,144 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:40:47,809 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:40:47,809 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:40:47,809 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:40:47,809 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:40:47,810 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:40:47,810 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:47,810 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:40:47,810 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:40:47,810 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_2-2-simple.i_Iteration1_Lasso [2023-11-19 07:40:47,810 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:40:47,811 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:40:47,832 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 07:40:47,841 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 07:40:48,232 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 07:40:48,236 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 07:40:48,239 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 07:40:48,242 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 07:40:48,563 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:40:48,568 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:40:48,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:48,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:48,572 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:48,588 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 07:40:48,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:48,601 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:40:48,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:48,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:48,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:48,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:40:48,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:40:48,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:40:48,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:40:48,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:48,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:48,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:48,649 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:48,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:40:48,652 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 07:40:48,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:48,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:48,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:48,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:48,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:40:48,670 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:40:48,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:40:48,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:48,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:48,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:48,702 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:48,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:40:48,712 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 07:40:48,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:48,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:48,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:48,725 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:48,730 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:40:48,731 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:40:48,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:40:48,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:48,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:48,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:48,776 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:48,788 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 07:40:48,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:48,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:48,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:48,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:48,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:40:48,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:40:48,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:40:48,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:40:48,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:48,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:48,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:48,841 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:48,848 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 07:40:48,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:48,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:40:48,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:48,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:48,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:48,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:40:48,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:40:48,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:40:48,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:40:48,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:48,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:48,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:48,901 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:48,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:40:48,908 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 07:40:48,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:48,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:48,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:48,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:48,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:40:48,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:40:48,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:40:48,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:48,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:48,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:48,966 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:48,976 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 07:40:48,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:48,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:48,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:48,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:48,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:40:48,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:40:49,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:40:49,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:40:49,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:49,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:49,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:49,024 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:49,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:40:49,028 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 07:40:49,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:49,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:49,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:49,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:49,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:40:49,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:40:49,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:40:49,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:49,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:49,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:49,092 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:49,100 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 07:40:49,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:40:49,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:40:49,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:40:49,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:40:49,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:40:49,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:40:49,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:40:49,143 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:40:49,193 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-11-19 07:40:49,193 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 14 variables to zero. [2023-11-19 07:40:49,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:40:49,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:40:49,220 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:40:49,225 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:40:49,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:40:49,248 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:40:49,249 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:40:49,249 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#B~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 4095*v_rep(select #length ULTIMATE.start_main_~#B~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2023-11-19 07:40:49,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:49,327 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2023-11-19 07:40:49,344 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#B~0!base] could not be translated [2023-11-19 07:40:49,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:40:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:49,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:40:49,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:40:49,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:40:49,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:40:49,451 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 07:40:49,493 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 07:40:49,495 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:49,578 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 36 transitions. Complement of second has 8 states. [2023-11-19 07:40:49,581 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 07:40:49,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:40:49,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2023-11-19 07:40:49,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-19 07:40:49,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:49,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-19 07:40:49,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:49,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-19 07:40:49,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:40:49,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 36 transitions. [2023-11-19 07:40:49,599 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:40:49,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2023-11-19 07:40:49,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:40:49,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:40:49,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:40:49,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:40:49,604 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:40:49,604 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:40:49,604 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:40:49,604 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:40:49,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:40:49,604 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:40:49,605 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:40:49,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:40:49 BoogieIcfgContainer [2023-11-19 07:40:49,613 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:40:49,614 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:40:49,614 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:40:49,614 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:40:49,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:40:46" (3/4) ... [2023-11-19 07:40:49,617 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:40:49,618 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:40:49,619 INFO L158 Benchmark]: Toolchain (without parser) took 3744.98ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 69.2MB in the end (delta: 50.5MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2023-11-19 07:40:49,624 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory was 85.6MB in the beginning and 85.6MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:40:49,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.58ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 108.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:40:49,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.89ms. Allocated memory is still 151.0MB. Free memory was 108.8MB in the beginning and 107.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:40:49,627 INFO L158 Benchmark]: Boogie Preprocessor took 40.77ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 105.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:40:49,627 INFO L158 Benchmark]: RCFGBuilder took 299.10ms. Allocated memory is still 151.0MB. Free memory was 105.8MB in the beginning and 95.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:40:49,628 INFO L158 Benchmark]: BuchiAutomizer took 3014.40ms. Allocated memory is still 151.0MB. Free memory was 94.7MB in the beginning and 69.2MB in the end (delta: 25.5MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-11-19 07:40:49,631 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 151.0MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:40:49,641 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory was 85.6MB in the beginning and 85.6MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.58ms. Allocated memory is still 151.0MB. Free memory was 119.7MB in the beginning and 108.8MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.89ms. Allocated memory is still 151.0MB. Free memory was 108.8MB in the beginning and 107.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.77ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 105.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.10ms. Allocated memory is still 151.0MB. Free memory was 105.8MB in the beginning and 95.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3014.40ms. Allocated memory is still 151.0MB. Free memory was 94.7MB in the beginning and 69.2MB in the end (delta: 25.5MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 151.0MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#B~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 5 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital189 mio100 ax100 hnf100 lsp100 ukn67 mio100 lsp40 div100 bol100 ite100 ukn100 eq158 hnf91 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 07:40:49,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:40:49,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3354c0b-2d30-495c-89bd-4fdfe0b5f9bc/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