./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/apache-get-tag.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ --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 ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 --- 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-dbf71c6-m [2022-10-17 10:48:43,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:48:43,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:48:43,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:48:43,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:48:43,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:48:43,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:48:43,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:48:43,210 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:48:43,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:48:43,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:48:43,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:48:43,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:48:43,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:48:43,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:48:43,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:48:43,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:48:43,222 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:48:43,224 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:48:43,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:48:43,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:48:43,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:48:43,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:48:43,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:48:43,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:48:43,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:48:43,243 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:48:43,245 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:48:43,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:48:43,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:48:43,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:48:43,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:48:43,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:48:43,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:48:43,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:48:43,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:48:43,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:48:43,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:48:43,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:48:43,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:48:43,265 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:48:43,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:48:43,320 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:48:43,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:48:43,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:48:43,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:48:43,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:48:43,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:48:43,324 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:48:43,324 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:48:43,324 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:48:43,324 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:48:43,325 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:48:43,326 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:48:43,326 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:48:43,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:48:43,326 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:48:43,326 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:48:43,327 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:48:43,327 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:48:43,327 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:48:43,327 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:48:43,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:48:43,328 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:48:43,328 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:48:43,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:48:43,328 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:48:43,329 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:48:43,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:48:43,329 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:48:43,329 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:48:43,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:48:43,330 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:48:43,331 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:48:43,331 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_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad8e21886f5f45a7c58400298498a881b4f628bf6fff913be81ab14cf250dd19 [2022-10-17 10:48:43,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:48:43,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:48:43,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:48:43,706 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:48:43,707 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:48:43,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2022-10-17 10:48:43,786 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/data/97695aa0e/7ea201f16d5e44fb84b36ff0eb40b09d/FLAGbc400e9bd [2022-10-17 10:48:44,310 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:48:44,311 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2022-10-17 10:48:44,318 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/data/97695aa0e/7ea201f16d5e44fb84b36ff0eb40b09d/FLAGbc400e9bd [2022-10-17 10:48:44,643 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/data/97695aa0e/7ea201f16d5e44fb84b36ff0eb40b09d [2022-10-17 10:48:44,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:48:44,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:48:44,653 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:48:44,653 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:48:44,657 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:48:44,659 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:48:44" (1/1) ... [2022-10-17 10:48:44,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f21d9aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:44, skipping insertion in model container [2022-10-17 10:48:44,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:48:44" (1/1) ... [2022-10-17 10:48:44,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:48:44,698 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:48:44,895 WARN L230 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_4d25a235-4667-4977-9090-d2be1b9cec94/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2022-10-17 10:48:44,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:48:44,924 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:48:44,939 WARN L230 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_4d25a235-4667-4977-9090-d2be1b9cec94/sv-benchmarks/c/loop-invgen/apache-get-tag.i[893,906] [2022-10-17 10:48:44,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:48:44,962 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:48:44,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:44 WrapperNode [2022-10-17 10:48:44,963 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:48:44,964 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:48:44,965 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:48:44,965 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:48:44,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:44" (1/1) ... [2022-10-17 10:48:44,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:44" (1/1) ... [2022-10-17 10:48:45,010 INFO L138 Inliner]: procedures = 16, calls = 22, calls flagged for inlining = 18, calls inlined = 18, statements flattened = 174 [2022-10-17 10:48:45,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:48:45,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:48:45,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:48:45,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:48:45,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:44" (1/1) ... [2022-10-17 10:48:45,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:44" (1/1) ... [2022-10-17 10:48:45,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:44" (1/1) ... [2022-10-17 10:48:45,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:44" (1/1) ... [2022-10-17 10:48:45,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:44" (1/1) ... [2022-10-17 10:48:45,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:44" (1/1) ... [2022-10-17 10:48:45,038 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:44" (1/1) ... [2022-10-17 10:48:45,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:44" (1/1) ... [2022-10-17 10:48:45,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:48:45,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:48:45,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:48:45,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:48:45,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:44" (1/1) ... [2022-10-17 10:48:45,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:48:45,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:48:45,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:48:45,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:48:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:48:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:48:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:48:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:48:45,241 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:48:45,243 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:48:45,635 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:48:45,644 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:48:45,644 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:48:45,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:48:45 BoogieIcfgContainer [2022-10-17 10:48:45,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:48:45,648 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:48:45,648 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:48:45,661 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:48:45,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:48:45,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:48:44" (1/3) ... [2022-10-17 10:48:45,676 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ad00c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:48:45, skipping insertion in model container [2022-10-17 10:48:45,676 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:48:45,676 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:48:44" (2/3) ... [2022-10-17 10:48:45,677 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ad00c0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:48:45, skipping insertion in model container [2022-10-17 10:48:45,677 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:48:45,677 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:48:45" (3/3) ... [2022-10-17 10:48:45,679 INFO L332 chiAutomizerObserver]: Analyzing ICFG apache-get-tag.i [2022-10-17 10:48:45,768 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:48:45,768 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:48:45,769 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:48:45,769 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:48:45,769 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:48:45,769 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:48:45,769 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:48:45,770 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:48:45,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 68 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 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) [2022-10-17 10:48:45,802 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2022-10-17 10:48:45,802 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:48:45,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:48:45,809 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-10-17 10:48:45,809 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:48:45,809 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:48:45,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 68 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 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) [2022-10-17 10:48:45,817 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2022-10-17 10:48:45,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:48:45,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:48:45,818 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-10-17 10:48:45,818 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-10-17 10:48:45,829 INFO L748 eck$LassoCheckResult]: Stem: 55#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 44#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~pre2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_#t~nondet6#1, main_#t~nondet7#1, main_#t~post8#1, main_#t~nondet9#1, main_#t~post10#1, main_~tagbuf_len~0#1, main_~t~0#1;havoc main_~tagbuf_len~0#1;havoc main_~t~0#1;main_~tagbuf_len~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 24#L29true assume main_~tagbuf_len~0#1 >= 1; 56#L29-1true main_~t~0#1 := 0;main_#t~pre2#1 := main_~tagbuf_len~0#1 - 1;main_~tagbuf_len~0#1 := main_~tagbuf_len~0#1 - 1;havoc main_#t~pre2#1; 46#L32-2true [2022-10-17 10:48:45,830 INFO L750 eck$LassoCheckResult]: Loop: 46#L32-2true assume !false; 25#L33true assume !(main_~t~0#1 == main_~tagbuf_len~0#1); 65#L38true assume !(0 != main_#t~nondet3#1);havoc main_#t~nondet3#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~t~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 51#L18-6true assume !(0 == __VERIFIER_assert_~cond#1); 45#L18-8true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~t~0#1 <= main_~tagbuf_len~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 58#L18-9true assume !(0 == __VERIFIER_assert_~cond#1); 33#L18-11true assume { :end_inline___VERIFIER_assert } true;main_#t~post4#1 := main_~t~0#1;main_~t~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 46#L32-2true [2022-10-17 10:48:45,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:48:45,837 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-10-17 10:48:45,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:48:45,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527253423] [2022-10-17 10:48:45,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:48:45,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:48:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:48:45,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:48:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:48:46,054 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:48:46,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:48:46,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1815086236, now seen corresponding path program 1 times [2022-10-17 10:48:46,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:48:46,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527055460] [2022-10-17 10:48:46,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:48:46,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:48:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:48:46,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:48:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:48:46,143 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:48:46,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:48:46,145 INFO L85 PathProgramCache]: Analyzing trace with hash -2133582282, now seen corresponding path program 1 times [2022-10-17 10:48:46,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:48:46,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518963661] [2022-10-17 10:48:46,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:48:46,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:48:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:48:46,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:48:46,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:48:46,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:48:46,505 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:48:46,506 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:48:46,506 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:48:46,506 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:48:46,506 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:48:46,507 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:48:46,507 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:48:46,508 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:48:46,509 INFO L133 ssoRankerPreferences]: Filename of dumped script: apache-get-tag.i_Iteration1_Loop [2022-10-17 10:48:46,509 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:48:46,509 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:48:46,529 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:48:46,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:48:46,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:48:46,562 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:48:46,715 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:48:46,716 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:48:46,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:48:46,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:48:46,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:48:46,734 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:48:46,734 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:48:46,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:48:46,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:48:46,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:48:46,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:48:46,807 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:48:46,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:48:46,814 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:48:46,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:48:46,927 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:48:46,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:48:46,935 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:48:46,935 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:48:46,935 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:48:46,936 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:48:46,936 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:48:46,936 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:48:46,936 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:48:46,936 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:48:46,936 INFO L133 ssoRankerPreferences]: Filename of dumped script: apache-get-tag.i_Iteration1_Loop [2022-10-17 10:48:46,937 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:48:46,937 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:48:46,938 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:48:46,954 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:48:46,972 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:48:46,977 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:48:47,067 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:48:47,073 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:48:47,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:48:47,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:48:47,084 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:48:47,091 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 [2022-10-17 10:48:47,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:48:47,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:48:47,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:48:47,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:48:47,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:48:47,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:48:47,109 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:48:47,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:48:47,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:48:47,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:48:47,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:48:47,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:48:47,173 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:48:47,180 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 [2022-10-17 10:48:47,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:48:47,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:48:47,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:48:47,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:48:47,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:48:47,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:48:47,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:48:47,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:48:47,214 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:48:47,223 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:48:47,223 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:48:47,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:48:47,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:48:47,228 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:48:47,234 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:48:47,235 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:48:47,235 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:48:47,236 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~tagbuf_len~0#1, ULTIMATE.start_main_~t~0#1) = 1*ULTIMATE.start_main_~tagbuf_len~0#1 - 1*ULTIMATE.start_main_~t~0#1 Supporting invariants [] [2022-10-17 10:48:47,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:48:47,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:48:47,285 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:48:47,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:48:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:48:47,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:48:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:48:47,372 WARN L261 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 10:48:47,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:48:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:48:47,618 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-10-17 10:48:47,622 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 68 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 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 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2022-10-17 10:48:47,987 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 68 states, 67 states have (on average 1.4179104477611941) internal successors, (95), 67 states have internal predecessors, (95), 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 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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 207 states and 265 transitions. Complement of second has 11 states. [2022-10-17 10:48:47,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-10-17 10:48:48,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 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) [2022-10-17 10:48:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 191 transitions. [2022-10-17 10:48:48,005 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 191 transitions. Stem has 4 letters. Loop has 7 letters. [2022-10-17 10:48:48,006 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:48:48,006 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 191 transitions. Stem has 11 letters. Loop has 7 letters. [2022-10-17 10:48:48,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:48:48,007 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 191 transitions. Stem has 4 letters. Loop has 14 letters. [2022-10-17 10:48:48,007 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:48:48,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 207 states and 265 transitions. [2022-10-17 10:48:48,031 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:48:48,034 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 207 states to 0 states and 0 transitions. [2022-10-17 10:48:48,035 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:48:48,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:48:48,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:48:48,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:48:48,036 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:48:48,036 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:48:48,036 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:48:48,036 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:48:48,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:48:48,036 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:48:48,037 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-10-17 10:48:48,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:48:48 BoogieIcfgContainer [2022-10-17 10:48:48,045 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:48:48,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:48:48,046 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:48:48,046 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:48:48,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:48:45" (3/4) ... [2022-10-17 10:48:48,049 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:48:48,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:48:48,051 INFO L158 Benchmark]: Toolchain (without parser) took 3400.36ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 79.4MB in the beginning and 90.4MB in the end (delta: -11.1MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-10-17 10:48:48,051 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:48:48,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.55ms. Allocated memory is still 121.6MB. Free memory was 79.2MB in the beginning and 94.8MB in the end (delta: -15.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 10:48:48,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.40ms. Allocated memory is still 121.6MB. Free memory was 94.8MB in the beginning and 92.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:48:48,053 INFO L158 Benchmark]: Boogie Preprocessor took 31.22ms. Allocated memory is still 121.6MB. Free memory was 92.7MB in the beginning and 91.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:48:48,054 INFO L158 Benchmark]: RCFGBuilder took 603.54ms. Allocated memory is still 121.6MB. Free memory was 91.5MB in the beginning and 78.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 10:48:48,055 INFO L158 Benchmark]: BuchiAutomizer took 2396.90ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 77.6MB in the beginning and 91.5MB in the end (delta: -13.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-10-17 10:48:48,056 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 161.5MB. Free memory was 91.5MB in the beginning and 90.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:48:48,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 121.6MB. Free memory is still 95.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.55ms. Allocated memory is still 121.6MB. Free memory was 79.2MB in the beginning and 94.8MB in the end (delta: -15.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.40ms. Allocated memory is still 121.6MB. Free memory was 94.8MB in the beginning and 92.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.22ms. Allocated memory is still 121.6MB. Free memory was 92.7MB in the beginning and 91.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 603.54ms. Allocated memory is still 121.6MB. Free memory was 91.5MB in the beginning and 78.0MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 2396.90ms. Allocated memory was 121.6MB in the beginning and 161.5MB in the end (delta: 39.8MB). Free memory was 77.6MB in the beginning and 91.5MB in the end (delta: -13.9MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 161.5MB. Free memory was 91.5MB in the beginning and 90.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * t + tagbuf_len and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 158 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 110 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 128 IncrementalHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 48 mSDtfsCounter, 128 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq158 hnf96 smp73 dnf100 smp100 tf110 neg95 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 52ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-10-17 10:48:48,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:48:48,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d25a235-4667-4977-9090-d2be1b9cec94/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE