./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/afnp2014.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/afnp2014.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN --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 9b126c2e4179fcd1dca44e04eae9f0721983a9a06894cd5f31aebfbdbef2948a --- 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-6b4ec56 [2022-11-20 10:44:51,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:44:51,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:44:51,062 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:44:51,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:44:51,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:44:51,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:44:51,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:44:51,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:44:51,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:44:51,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:44:51,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:44:51,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:44:51,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:44:51,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:44:51,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:44:51,077 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:44:51,078 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:44:51,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:44:51,082 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:44:51,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:44:51,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:44:51,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:44:51,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:44:51,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:44:51,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:44:51,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:44:51,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:44:51,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:44:51,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:44:51,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:44:51,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:44:51,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:44:51,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:44:51,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:44:51,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:44:51,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:44:51,120 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:44:51,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:44:51,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:44:51,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:44:51,125 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-20 10:44:51,179 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:44:51,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:44:51,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:44:51,184 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:44:51,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:44:51,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:44:51,186 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:44:51,186 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:44:51,186 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:44:51,186 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:44:51,187 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:44:51,188 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:44:51,188 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:44:51,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:44:51,188 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 10:44:51,188 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:44:51,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:44:51,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 10:44:51,189 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:44:51,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:44:51,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:44:51,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:44:51,190 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 10:44:51,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:44:51,190 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:44:51,190 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:44:51,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:44:51,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:44:51,192 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:44:51,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:44:51,192 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:44:51,194 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:44:51,194 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_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9b126c2e4179fcd1dca44e04eae9f0721983a9a06894cd5f31aebfbdbef2948a [2022-11-20 10:44:51,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:44:51,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:44:51,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:44:51,559 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:44:51,560 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:44:51,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/loop-lit/afnp2014.i [2022-11-20 10:44:54,678 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:44:54,879 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:44:54,880 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/sv-benchmarks/c/loop-lit/afnp2014.i [2022-11-20 10:44:54,887 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/data/9d402a2c4/13decb72c79c411cb05fba011fac29a7/FLAG627b337d3 [2022-11-20 10:44:54,902 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/data/9d402a2c4/13decb72c79c411cb05fba011fac29a7 [2022-11-20 10:44:54,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:44:54,906 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:44:54,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:44:54,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:44:54,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:44:54,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:44:54" (1/1) ... [2022-11-20 10:44:54,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f4cd24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:54, skipping insertion in model container [2022-11-20 10:44:54,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:44:54" (1/1) ... [2022-11-20 10:44:54,922 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:44:54,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:44:55,147 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/sv-benchmarks/c/loop-lit/afnp2014.i[895,908] [2022-11-20 10:44:55,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:44:55,192 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:44:55,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/sv-benchmarks/c/loop-lit/afnp2014.i[895,908] [2022-11-20 10:44:55,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:44:55,225 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:44:55,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:55 WrapperNode [2022-11-20 10:44:55,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:44:55,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:44:55,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:44:55,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:44:55,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:55" (1/1) ... [2022-11-20 10:44:55,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:55" (1/1) ... [2022-11-20 10:44:55,260 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2022-11-20 10:44:55,260 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:44:55,261 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:44:55,261 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:44:55,261 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:44:55,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:55" (1/1) ... [2022-11-20 10:44:55,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:55" (1/1) ... [2022-11-20 10:44:55,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:55" (1/1) ... [2022-11-20 10:44:55,273 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:55" (1/1) ... [2022-11-20 10:44:55,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:55" (1/1) ... [2022-11-20 10:44:55,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:55" (1/1) ... [2022-11-20 10:44:55,292 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:55" (1/1) ... [2022-11-20 10:44:55,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:55" (1/1) ... [2022-11-20 10:44:55,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:44:55,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:44:55,297 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:44:55,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:44:55,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:55" (1/1) ... [2022-11-20 10:44:55,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:44:55,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:44:55,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:44:55,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:44:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:44:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:44:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:44:55,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:44:55,461 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:44:55,463 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:44:55,562 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:44:55,568 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:44:55,568 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:44:55,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:44:55 BoogieIcfgContainer [2022-11-20 10:44:55,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:44:55,572 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:44:55,572 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:44:55,576 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:44:55,577 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:44:55,577 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:44:54" (1/3) ... [2022-11-20 10:44:55,578 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75e4bac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:44:55, skipping insertion in model container [2022-11-20 10:44:55,578 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:44:55,579 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:44:55" (2/3) ... [2022-11-20 10:44:55,579 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@75e4bac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:44:55, skipping insertion in model container [2022-11-20 10:44:55,579 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:44:55,579 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:44:55" (3/3) ... [2022-11-20 10:44:55,581 INFO L332 chiAutomizerObserver]: Analyzing ICFG afnp2014.i [2022-11-20 10:44:55,636 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:44:55,637 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:44:55,637 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:44:55,637 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:44:55,637 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:44:55,637 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:44:55,638 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:44:55,638 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:44:55,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:44:55,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:44:55,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:44:55,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:44:55,665 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 10:44:55,666 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 10:44:55,666 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 10:44:55,667 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:44:55,668 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:44:55,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:44:55,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:44:55,669 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 10:44:55,670 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 10:44:55,680 INFO L748 eck$LassoCheckResult]: Stem: 4#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); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := 1;main_~y~0#1 := 0; 10#L27-2true [2022-11-20 10:44:55,681 INFO L750 eck$LassoCheckResult]: Loop: 10#L27-2true assume !!(main_~y~0#1 < 1000 && 0 != main_#t~nondet1#1);havoc main_#t~nondet1#1;main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_~y~0#1 := 1 + main_~y~0#1; 10#L27-2true [2022-11-20 10:44:55,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:55,696 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 10:44:55,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:44:55,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706855570] [2022-11-20 10:44:55,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:55,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:44:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:44:55,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:44:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:44:55,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:44:55,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:55,821 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-20 10:44:55,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:44:55,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391342176] [2022-11-20 10:44:55,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:55,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:44:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:44:55,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:44:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:44:55,842 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:44:55,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:55,846 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-20 10:44:55,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:44:55,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381822681] [2022-11-20 10:44:55,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:44:55,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:44:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:44:55,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:44:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:44:55,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:44:56,008 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:44:56,009 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:44:56,009 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:44:56,009 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:44:56,010 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 10:44:56,010 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:44:56,010 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:44:56,010 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:44:56,010 INFO L133 ssoRankerPreferences]: Filename of dumped script: afnp2014.i_Iteration1_Loop [2022-11-20 10:44:56,011 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:44:56,011 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:44:56,027 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:44:56,045 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:44:56,154 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:44:56,155 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 10:44:56,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:44:56,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:44:56,170 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:44:56,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:44:56,173 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:44:56,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 10:44:56,200 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:44:56,200 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=-1} Honda state: {ULTIMATE.start_main_#t~nondet1#1=-1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:44:56,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-20 10:44:56,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:44:56,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:44:56,205 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:44:56,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 10:44:56,208 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:44:56,209 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:44:56,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:44:56,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:44:56,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:44:56,245 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:44:56,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 10:44:56,249 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 10:44:56,249 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:44:56,283 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 10:44:56,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:44:56,295 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:44:56,295 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:44:56,296 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:44:56,296 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:44:56,296 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:44:56,296 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:44:56,296 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:44:56,296 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:44:56,296 INFO L133 ssoRankerPreferences]: Filename of dumped script: afnp2014.i_Iteration1_Loop [2022-11-20 10:44:56,296 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:44:56,296 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:44:56,298 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:44:56,319 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:44:56,375 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:44:56,379 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:44:56,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:44:56,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:44:56,382 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:44:56,392 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 [2022-11-20 10:44:56,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:44:56,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:44:56,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:44:56,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:44:56,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:44:56,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:44:56,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:44:56,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 10:44:56,427 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 10:44:56,443 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 10:44:56,443 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 10:44:56,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:44:56,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:44:56,474 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:44:56,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 10:44:56,479 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 10:44:56,480 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 10:44:56,480 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 10:44:56,481 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 1999 Supporting invariants [] [2022-11-20 10:44:56,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:44:56,496 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 10:44:56,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:44:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:56,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:44:56,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:44:56,575 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 10:44:56,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:44:56,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:44:56,627 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-20 10:44:56,630 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:44:56,705 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 25 states and 30 transitions. Complement of second has 5 states. [2022-11-20 10:44:56,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-20 10:44:56,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 10:44:56,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:44:56,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2022-11-20 10:44:56,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 1 letters. [2022-11-20 10:44:56,731 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:44:56,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 1 letters. [2022-11-20 10:44:56,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:44:56,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-20 10:44:56,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 10:44:56,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2022-11-20 10:44:56,739 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:44:56,742 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2022-11-20 10:44:56,743 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 10:44:56,743 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 10:44:56,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 10:44:56,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:44:56,744 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:44:56,744 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:44:56,744 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:44:56,744 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 10:44:56,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:44:56,745 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:44:56,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 10:44:56,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:44:56 BoogieIcfgContainer [2022-11-20 10:44:56,756 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:44:56,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:44:56,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:44:56,758 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:44:56,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:44:55" (3/4) ... [2022-11-20 10:44:56,761 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 10:44:56,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:44:56,762 INFO L158 Benchmark]: Toolchain (without parser) took 1855.44ms. Allocated memory is still 153.1MB. Free memory was 92.4MB in the beginning and 120.1MB in the end (delta: -27.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:44:56,763 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:44:56,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.54ms. Allocated memory is still 153.1MB. Free memory was 92.2MB in the beginning and 122.6MB in the end (delta: -30.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-11-20 10:44:56,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.45ms. Allocated memory is still 153.1MB. Free memory was 122.6MB in the beginning and 121.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:44:56,771 INFO L158 Benchmark]: Boogie Preprocessor took 34.21ms. Allocated memory is still 153.1MB. Free memory was 121.3MB in the beginning and 120.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:44:56,771 INFO L158 Benchmark]: RCFGBuilder took 274.09ms. Allocated memory is still 153.1MB. Free memory was 120.3MB in the beginning and 111.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:44:56,772 INFO L158 Benchmark]: BuchiAutomizer took 1183.94ms. Allocated memory is still 153.1MB. Free memory was 110.9MB in the beginning and 120.1MB in the end (delta: -9.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:44:56,773 INFO L158 Benchmark]: Witness Printer took 3.76ms. Allocated memory is still 153.1MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:44:56,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 87.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.54ms. Allocated memory is still 153.1MB. Free memory was 92.2MB in the beginning and 122.6MB in the end (delta: -30.4MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.45ms. Allocated memory is still 153.1MB. Free memory was 122.6MB in the beginning and 121.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.21ms. Allocated memory is still 153.1MB. Free memory was 121.3MB in the beginning and 120.3MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 274.09ms. Allocated memory is still 153.1MB. Free memory was 120.3MB in the beginning and 111.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1183.94ms. Allocated memory is still 153.1MB. Free memory was 110.9MB in the beginning and 120.1MB in the end (delta: -9.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.76ms. Allocated memory is still 153.1MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * y + 1999 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 7 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf100 lsp78 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 100ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 10:44:56,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b7af6c0-4226-4ddb-9a1d-c1ddb8096d74/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE