./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test19.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --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 7803e6cc268064256b2f537d6548202260755eda12a32948c0dafd94d7d212db --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:47:59,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:47:59,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:47:59,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:47:59,331 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:47:59,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:47:59,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:47:59,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:47:59,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:47:59,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:47:59,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:47:59,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:47:59,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:47:59,360 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:47:59,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:47:59,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:47:59,368 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:47:59,369 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:47:59,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:47:59,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:47:59,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:47:59,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:47:59,386 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:47:59,387 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:47:59,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:47:59,400 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:47:59,401 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:47:59,402 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:47:59,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:47:59,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:47:59,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:47:59,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:47:59,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:47:59,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:47:59,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:47:59,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:47:59,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:47:59,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:47:59,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:47:59,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:47:59,419 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:47:59,420 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 17:47:59,469 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:47:59,469 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:47:59,470 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:47:59,471 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:47:59,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:47:59,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:47:59,473 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:47:59,473 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:47:59,473 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:47:59,474 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:47:59,475 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:47:59,476 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:47:59,476 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:47:59,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:47:59,476 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:47:59,477 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:47:59,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:47:59,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:47:59,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:47:59,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:47:59,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:47:59,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:47:59,479 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:47:59,479 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:47:59,479 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:47:59,479 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:47:59,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:47:59,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:47:59,480 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:47:59,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:47:59,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:47:59,483 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:47:59,484 INFO L138 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_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7803e6cc268064256b2f537d6548202260755eda12a32948c0dafd94d7d212db [2022-11-25 17:47:59,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:47:59,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:47:59,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:47:59,920 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:47:59,921 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:47:59,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/ldv-regression/test19.c [2022-11-25 17:48:03,489 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:48:03,720 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:48:03,721 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/sv-benchmarks/c/ldv-regression/test19.c [2022-11-25 17:48:03,731 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R/data/ec1dd78de/8703a38eb79a469485b154d1fa020082/FLAGf7c40682c [2022-11-25 17:48:03,758 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R/data/ec1dd78de/8703a38eb79a469485b154d1fa020082 [2022-11-25 17:48:03,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:48:03,766 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:48:03,769 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:48:03,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:48:03,774 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:48:03,775 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:48:03" (1/1) ... [2022-11-25 17:48:03,777 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462b942f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:03, skipping insertion in model container [2022-11-25 17:48:03,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:48:03" (1/1) ... [2022-11-25 17:48:03,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:48:03,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:48:04,104 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/sv-benchmarks/c/ldv-regression/test19.c[647,660] [2022-11-25 17:48:04,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:48:04,126 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:48:04,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/sv-benchmarks/c/ldv-regression/test19.c[647,660] [2022-11-25 17:48:04,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:48:04,169 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:48:04,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:04 WrapperNode [2022-11-25 17:48:04,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:48:04,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:48:04,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:48:04,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:48:04,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:04" (1/1) ... [2022-11-25 17:48:04,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:04" (1/1) ... [2022-11-25 17:48:04,223 INFO L138 Inliner]: procedures = 17, calls = 34, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-11-25 17:48:04,224 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:48:04,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:48:04,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:48:04,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:48:04,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:04" (1/1) ... [2022-11-25 17:48:04,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:04" (1/1) ... [2022-11-25 17:48:04,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:04" (1/1) ... [2022-11-25 17:48:04,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:04" (1/1) ... [2022-11-25 17:48:04,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:04" (1/1) ... [2022-11-25 17:48:04,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:04" (1/1) ... [2022-11-25 17:48:04,246 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:04" (1/1) ... [2022-11-25 17:48:04,247 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:04" (1/1) ... [2022-11-25 17:48:04,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:48:04,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:48:04,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:48:04,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:48:04,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:04" (1/1) ... [2022-11-25 17:48:04,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:48:04,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:48:04,289 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:48:04,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:48:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 17:48:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 17:48:04,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:48:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:48:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:48:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:48:04,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:48:04,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:48:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:48:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:48:04,433 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:48:04,435 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:48:04,624 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:48:04,632 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:48:04,632 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:48:04,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:48:04 BoogieIcfgContainer [2022-11-25 17:48:04,635 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:48:04,636 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:48:04,636 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:48:04,641 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:48:04,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:48:04,642 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:48:03" (1/3) ... [2022-11-25 17:48:04,643 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79860a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:48:04, skipping insertion in model container [2022-11-25 17:48:04,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:48:04,644 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:48:04" (2/3) ... [2022-11-25 17:48:04,644 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@79860a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:48:04, skipping insertion in model container [2022-11-25 17:48:04,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:48:04,645 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:48:04" (3/3) ... [2022-11-25 17:48:04,646 INFO L332 chiAutomizerObserver]: Analyzing ICFG test19.c [2022-11-25 17:48:04,745 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:48:04,745 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:48:04,745 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:48:04,746 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:48:04,746 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:48:04,746 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:48:04,746 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:48:04,747 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:48:04,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2022-11-25 17:48:04,774 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 17:48:04,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 17:48:04,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:48:04 BoogieIcfgContainer [2022-11-25 17:48:04,782 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 17:48:04,783 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:48:04,783 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:48:04,783 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:48:04,785 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:48:04" (3/4) ... [2022-11-25 17:48:04,801 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:48:04,801 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:48:04,804 INFO L158 Benchmark]: Toolchain (without parser) took 1036.84ms. Allocated memory is still 172.0MB. Free memory was 138.0MB in the beginning and 114.6MB in the end (delta: 23.4MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-11-25 17:48:04,804 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:48:04,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 401.72ms. Allocated memory is still 172.0MB. Free memory was 137.2MB in the beginning and 136.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:48:04,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.36ms. Allocated memory is still 172.0MB. Free memory was 136.1MB in the beginning and 134.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:48:04,807 INFO L158 Benchmark]: Boogie Preprocessor took 25.37ms. Allocated memory is still 172.0MB. Free memory was 134.8MB in the beginning and 133.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:48:04,808 INFO L158 Benchmark]: RCFGBuilder took 383.96ms. Allocated memory is still 172.0MB. Free memory was 133.5MB in the beginning and 120.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:48:04,809 INFO L158 Benchmark]: BuchiAutomizer took 145.73ms. Allocated memory is still 172.0MB. Free memory was 120.1MB in the beginning and 115.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:48:04,810 INFO L158 Benchmark]: Witness Printer took 18.67ms. Allocated memory is still 172.0MB. Free memory was 115.1MB in the beginning and 114.6MB in the end (delta: 525.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:48:04,815 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 93.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 401.72ms. Allocated memory is still 172.0MB. Free memory was 137.2MB in the beginning and 136.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.36ms. Allocated memory is still 172.0MB. Free memory was 136.1MB in the beginning and 134.8MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.37ms. Allocated memory is still 172.0MB. Free memory was 134.8MB in the beginning and 133.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 383.96ms. Allocated memory is still 172.0MB. Free memory was 133.5MB in the beginning and 120.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 145.73ms. Allocated memory is still 172.0MB. Free memory was 120.1MB in the beginning and 115.1MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 18.67ms. Allocated memory is still 172.0MB. Free memory was 115.1MB in the beginning and 114.6MB in the end (delta: 525.9kB). 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 Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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! [2022-11-25 17:48:04,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4fdb104c-fda2-49af-ab70-b4d4a00bfef8/bin/uautomizer-ZsLfNo2U6R/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