./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/trex02-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex02-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt --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 79d989fa07a5ca9fba756b11f85a2a447254705c ............................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:26:29,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:26:29,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:26:29,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:26:29,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:26:29,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:26:29,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:26:29,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:26:29,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:26:29,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:26:29,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:26:29,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:26:29,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:26:29,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:26:29,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:26:29,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:26:29,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:26:29,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:26:29,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:26:29,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:26:29,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:26:29,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:26:29,915 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:26:29,916 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:26:29,920 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:26:29,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:26:29,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:26:29,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:26:29,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:26:29,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:26:29,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:26:29,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:26:29,926 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:26:29,927 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:26:29,929 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:26:29,929 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:26:29,930 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:26:29,930 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:26:29,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:26:29,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:26:29,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:26:29,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:26:29,959 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:26:29,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:26:29,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:26:29,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:26:29,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:26:29,962 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:26:29,962 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:26:29,962 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:26:29,963 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:26:29,963 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:26:29,963 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:26:29,964 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:26:29,964 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:26:29,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:26:29,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:26:29,965 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:26:29,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:26:29,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:26:29,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:26:29,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:26:29,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:26:29,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:26:29,968 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:26:29,968 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:26:29,968 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:26:29,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:26:29,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:26:29,969 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:26:29,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:26:29,970 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:26:29,970 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:26:29,971 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:26:29,972 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:26:29,972 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_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d989fa07a5ca9fba756b11f85a2a447254705c [2021-10-13 00:26:30,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:26:30,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:26:30,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:26:30,302 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:26:30,303 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:26:30,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/loops/trex02-2.c [2021-10-13 00:26:30,386 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/data/37c963fa3/2f19ec7911f046d9ac784e9800c8f7ef/FLAGb17ef91ba [2021-10-13 00:26:30,891 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:26:30,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/sv-benchmarks/c/loops/trex02-2.c [2021-10-13 00:26:30,902 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/data/37c963fa3/2f19ec7911f046d9ac784e9800c8f7ef/FLAGb17ef91ba [2021-10-13 00:26:31,250 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/data/37c963fa3/2f19ec7911f046d9ac784e9800c8f7ef [2021-10-13 00:26:31,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:26:31,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:26:31,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:26:31,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:26:31,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:26:31,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:26:31" (1/1) ... [2021-10-13 00:26:31,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5827c15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:26:31, skipping insertion in model container [2021-10-13 00:26:31,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:26:31" (1/1) ... [2021-10-13 00:26:31,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:26:31,279 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:26:31,446 WARN L228 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_15090ed3-05b9-497b-8c6d-26a797750c15/sv-benchmarks/c/loops/trex02-2.c[320,333] [2021-10-13 00:26:31,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:26:31,474 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:26:31,491 WARN L228 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_15090ed3-05b9-497b-8c6d-26a797750c15/sv-benchmarks/c/loops/trex02-2.c[320,333] [2021-10-13 00:26:31,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:26:31,516 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:26:31,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:26:31 WrapperNode [2021-10-13 00:26:31,517 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:26:31,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:26:31,519 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:26:31,519 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:26:31,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:26:31" (1/1) ... [2021-10-13 00:26:31,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:26:31" (1/1) ... [2021-10-13 00:26:31,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:26:31,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:26:31,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:26:31,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:26:31,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:26:31" (1/1) ... [2021-10-13 00:26:31,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:26:31" (1/1) ... [2021-10-13 00:26:31,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:26:31" (1/1) ... [2021-10-13 00:26:31,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:26:31" (1/1) ... [2021-10-13 00:26:31,585 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:26:31" (1/1) ... [2021-10-13 00:26:31,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:26:31" (1/1) ... [2021-10-13 00:26:31,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:26:31" (1/1) ... [2021-10-13 00:26:31,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:26:31,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:26:31,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:26:31,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:26:31,597 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:26:31" (1/1) ... [2021-10-13 00:26:31,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:26:31,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:26:31,630 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:26:31,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:26:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 00:26:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:26:31,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:26:31,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:26:31,889 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:26:31,890 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-13 00:26:31,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:26:31 BoogieIcfgContainer [2021-10-13 00:26:31,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:26:31,892 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:26:31,893 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:26:31,896 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:26:31,897 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:26:31,897 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:26:31" (1/3) ... [2021-10-13 00:26:31,898 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50356e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:26:31, skipping insertion in model container [2021-10-13 00:26:31,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:26:31,898 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:26:31" (2/3) ... [2021-10-13 00:26:31,899 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@50356e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:26:31, skipping insertion in model container [2021-10-13 00:26:31,899 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:26:31,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:26:31" (3/3) ... [2021-10-13 00:26:31,900 INFO L389 chiAutomizerObserver]: Analyzing ICFG trex02-2.c [2021-10-13 00:26:31,980 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:26:31,980 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:26:31,980 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:26:31,980 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:26:31,981 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:26:31,981 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:26:31,981 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:26:31,981 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:26:31,995 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2021-10-13 00:26:32,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:26:32,045 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:26:32,045 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:26:32,051 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:26:32,051 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:26:32,051 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:26:32,051 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2021-10-13 00:26:32,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:26:32,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:26:32,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:26:32,054 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 00:26:32,054 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:26:32,061 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~x~0 := 0; 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~nondet9, main_~c~0;~x~0 := main_#t~nondet8;havoc main_#t~nondet8; 10#L17-1true [2021-10-13 00:26:32,078 INFO L793 eck$LassoCheckResult]: Loop: 10#L17-1true assume !!(~x~0 > 0);main_~c~0 := main_#t~nondet9;havoc main_#t~nondet9; 8#L25true assume !(0 != main_~c~0 % 256);havoc foo_#t~post7;foo_#t~post7 := ~x~0;~x~0 := foo_#t~post7 - 1;havoc foo_#t~post7; 10#L17-1true [2021-10-13 00:26:32,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:26:32,084 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-13 00:26:32,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:26:32,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818773810] [2021-10-13 00:26:32,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:26:32,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:26:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:26:32,194 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:26:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:26:32,233 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:26:32,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:26:32,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1319, now seen corresponding path program 1 times [2021-10-13 00:26:32,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:26:32,238 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494130488] [2021-10-13 00:26:32,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:26:32,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:26:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:26:32,246 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:26:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:26:32,254 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:26:32,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:26:32,257 INFO L82 PathProgramCache]: Analyzing trace with hash 925801, now seen corresponding path program 1 times [2021-10-13 00:26:32,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:26:32,258 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337853749] [2021-10-13 00:26:32,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:26:32,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:26:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:26:32,277 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:26:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:26:32,299 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:26:32,364 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:26:32,365 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:26:32,365 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:26:32,365 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:26:32,365 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-13 00:26:32,366 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:26:32,366 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:26:32,366 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:26:32,366 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex02-2.c_Iteration1_Loop [2021-10-13 00:26:32,366 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:26:32,367 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:26:32,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:26:32,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:26:32,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:26:32,465 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:26:32,465 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-13 00:26:32,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:26:32,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:26:32,471 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:26:32,478 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:26:32,478 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:26:32,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:26:32,510 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:26:32,510 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=-256, ULTIMATE.start_main_#t~nondet9=-256} Honda state: {ULTIMATE.start_main_~c~0=-256, ULTIMATE.start_main_#t~nondet9=-256} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:26:32,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:32,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:26:32,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:26:32,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:26:32,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:26:32,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:26:32,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:26:32,578 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-13 00:26:32,578 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_foo_#t~post7=0} Honda state: {ULTIMATE.start_foo_#t~post7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-13 00:26:32,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:32,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:26:32,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:26:32,635 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:26:32,645 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-13 00:26:32,645 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:26:32,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:26:32,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:32,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:26:32,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:26:32,710 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:26:32,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:26:32,715 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-13 00:26:32,715 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-13 00:26:32,775 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-13 00:26:32,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:32,782 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:26:32,782 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:26:32,782 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:26:32,783 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:26:32,783 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:26:32,783 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:26:32,783 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:26:32,783 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:26:32,783 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex02-2.c_Iteration1_Loop [2021-10-13 00:26:32,783 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:26:32,783 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:26:32,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:26:32,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:26:32,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:26:32,887 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:26:32,892 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:26:32,894 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:26:32,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:26:32,898 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:26:32,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:26:32,904 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 [2021-10-13 00:26:32,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:26:32,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:26:32,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:26:32,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:26:32,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:26:32,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:26:32,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:26:32,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:26:32,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:32,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:26:32,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:26:32,969 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:26:32,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:26:32,972 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 [2021-10-13 00:26:32,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:26:32,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:26:32,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:26:32,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:26:32,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:26:32,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:26:32,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:26:33,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:26:33,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:33,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:26:33,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:26:33,043 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:26:33,055 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 [2021-10-13 00:26:33,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:26:33,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:26:33,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:26:33,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:26:33,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:26:33,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:26:33,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:26:33,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:26:33,077 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:26:33,085 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 00:26:33,086 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 00:26:33,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:26:33,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:26:33,089 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:26:33,110 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:26:33,110 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 00:26:33,110 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:26:33,111 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(~x~0) = 1*~x~0 Supporting invariants [] [2021-10-13 00:26:33,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:26:33,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:33,153 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-13 00:26:33,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:26:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:26:33,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:26:33,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:26:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:26:33,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:26:33,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:26:33,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:26:33,279 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:26:33,281 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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) [2021-10-13 00:26:33,331 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 24 states and 31 transitions. Complement of second has 7 states. [2021-10-13 00:26:33,331 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 [2021-10-13 00:26:33,333 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) [2021-10-13 00:26:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2021-10-13 00:26:33,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-13 00:26:33,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:26:33,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-13 00:26:33,337 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:26:33,337 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-13 00:26:33,338 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:26:33,338 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2021-10-13 00:26:33,344 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:26:33,347 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2021-10-13 00:26:33,348 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:26:33,348 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:26:33,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:26:33,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:26:33,349 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:26:33,349 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:26:33,349 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:26:33,350 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:26:33,350 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:26:33,350 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:26:33,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:26:33,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:26:33 BoogieIcfgContainer [2021-10-13 00:26:33,356 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:26:33,356 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:26:33,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:26:33,357 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:26:33,357 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:26:31" (3/4) ... [2021-10-13 00:26:33,360 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:26:33,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:26:33,363 INFO L168 Benchmark]: Toolchain (without parser) took 2107.27 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 60.7 MB in the beginning and 81.9 MB in the end (delta: -21.2 MB). Peak memory consumption was 8.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:33,363 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory was 66.7 MB in the beginning and 66.7 MB in the end (delta: 27.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:26:33,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.83 ms. Allocated memory is still 94.4 MB. Free memory was 60.5 MB in the beginning and 71.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:33,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.10 ms. Allocated memory is still 94.4 MB. Free memory was 71.4 MB in the beginning and 70.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:33,368 INFO L168 Benchmark]: Boogie Preprocessor took 32.53 ms. Allocated memory is still 94.4 MB. Free memory was 70.1 MB in the beginning and 69.3 MB in the end (delta: 786.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:26:33,373 INFO L168 Benchmark]: RCFGBuilder took 298.58 ms. Allocated memory is still 94.4 MB. Free memory was 68.9 MB in the beginning and 60.4 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:33,374 INFO L168 Benchmark]: BuchiAutomizer took 1463.47 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 60.0 MB in the beginning and 82.5 MB in the end (delta: -22.5 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:26:33,374 INFO L168 Benchmark]: Witness Printer took 4.22 ms. Allocated memory is still 123.7 MB. Free memory was 82.5 MB in the beginning and 81.9 MB in the end (delta: 592.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:26:33,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 94.4 MB. Free memory was 66.7 MB in the beginning and 66.7 MB in the end (delta: 27.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 261.83 ms. Allocated memory is still 94.4 MB. Free memory was 60.5 MB in the beginning and 71.4 MB in the end (delta: -10.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.10 ms. Allocated memory is still 94.4 MB. Free memory was 71.4 MB in the beginning and 70.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.53 ms. Allocated memory is still 94.4 MB. Free memory was 70.1 MB in the beginning and 69.3 MB in the end (delta: 786.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 298.58 ms. Allocated memory is still 94.4 MB. Free memory was 68.9 MB in the beginning and 60.4 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1463.47 ms. Allocated memory was 94.4 MB in the beginning and 123.7 MB in the end (delta: 29.4 MB). Free memory was 60.0 MB in the beginning and 82.5 MB in the end (delta: -22.5 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.22 ms. Allocated memory is still 123.7 MB. Free memory was 82.5 MB in the beginning and 81.9 MB in the end (delta: 592.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * 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 x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 6 SDtfs, 7 SDslu, 8 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp55 ukn100 mio100 lsp100 div469 bol100 ite100 ukn100 eq151 hnf43 smp90 dnf100 smp100 tf107 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 00:26:33,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 00:26:33,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15090ed3-05b9-497b-8c6d-26a797750c15/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...