./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:52:22,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:52:22,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:52:22,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:52:22,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:52:22,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:52:22,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:52:22,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:52:22,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:52:22,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:52:22,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:52:22,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:52:22,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:52:22,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:52:22,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:52:22,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:52:22,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:52:22,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:52:22,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:52:22,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:52:22,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:52:22,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:52:22,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:52:22,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:52:22,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:52:22,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:52:22,284 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:52:22,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:52:22,286 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:52:22,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:52:22,289 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:52:22,290 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:52:22,292 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:52:22,293 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:52:22,295 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:52:22,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:52:22,297 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:52:22,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:52:22,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:52:22,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:52:22,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:52:22,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 17:52:22,348 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:52:22,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:52:22,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:52:22,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:52:22,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:52:22,351 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:52:22,351 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:52:22,351 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:52:22,353 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:52:22,354 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:52:22,355 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:52:22,355 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:52:22,355 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:52:22,356 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:52:22,356 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 17:52:22,356 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:52:22,356 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:52:22,357 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 17:52:22,357 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:52:22,357 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:52:22,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:52:22,358 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:52:22,358 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 17:52:22,358 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:52:22,358 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:52:22,358 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:52:22,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:52:22,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:52:22,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:52:22,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:52:22,360 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:52:22,362 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:52:22,362 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_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 [2022-11-25 17:52:22,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:52:22,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:52:22,669 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:52:22,671 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:52:22,671 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:52:22,673 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/loop-invgen/large_const.i [2022-11-25 17:52:25,696 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:52:25,897 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:52:25,897 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/sv-benchmarks/c/loop-invgen/large_const.i [2022-11-25 17:52:25,903 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/data/adf4a66dc/ae88a71ba84447928a5a15ec3ed77c86/FLAG1e328db61 [2022-11-25 17:52:25,924 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/data/adf4a66dc/ae88a71ba84447928a5a15ec3ed77c86 [2022-11-25 17:52:25,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:52:25,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:52:25,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:52:25,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:52:25,939 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:52:25,940 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:25" (1/1) ... [2022-11-25 17:52:25,941 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d180e43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:25, skipping insertion in model container [2022-11-25 17:52:25,941 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:52:25" (1/1) ... [2022-11-25 17:52:25,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:52:25,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:52:26,125 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_1117fb33-8231-4ac0-9028-de81ed3e3083/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2022-11-25 17:52:26,137 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:52:26,151 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:52:26,165 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_1117fb33-8231-4ac0-9028-de81ed3e3083/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2022-11-25 17:52:26,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:52:26,184 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:52:26,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:26 WrapperNode [2022-11-25 17:52:26,184 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:52:26,186 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:52:26,186 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:52:26,186 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:52:26,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:26" (1/1) ... [2022-11-25 17:52:26,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:26" (1/1) ... [2022-11-25 17:52:26,221 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2022-11-25 17:52:26,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:52:26,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:52:26,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:52:26,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:52:26,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:26" (1/1) ... [2022-11-25 17:52:26,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:26" (1/1) ... [2022-11-25 17:52:26,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:26" (1/1) ... [2022-11-25 17:52:26,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:26" (1/1) ... [2022-11-25 17:52:26,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:26" (1/1) ... [2022-11-25 17:52:26,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:26" (1/1) ... [2022-11-25 17:52:26,242 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:26" (1/1) ... [2022-11-25 17:52:26,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:26" (1/1) ... [2022-11-25 17:52:26,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:52:26,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:52:26,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:52:26,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:52:26,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:26" (1/1) ... [2022-11-25 17:52:26,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:26,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:26,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:26,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:52:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:52:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:52:26,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:52:26,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:52:26,417 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:52:26,420 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:52:26,647 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:52:26,653 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:52:26,653 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-25 17:52:26,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:52:26 BoogieIcfgContainer [2022-11-25 17:52:26,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:52:26,657 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:52:26,657 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:52:26,661 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:52:26,662 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:52:26,662 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:52:25" (1/3) ... [2022-11-25 17:52:26,663 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ffb3834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:52:26, skipping insertion in model container [2022-11-25 17:52:26,663 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:52:26,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:52:26" (2/3) ... [2022-11-25 17:52:26,680 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ffb3834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:52:26, skipping insertion in model container [2022-11-25 17:52:26,680 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:52:26,680 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:52:26" (3/3) ... [2022-11-25 17:52:26,682 INFO L332 chiAutomizerObserver]: Analyzing ICFG large_const.i [2022-11-25 17:52:26,779 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:52:26,779 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:52:26,780 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:52:26,780 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:52:26,780 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:52:26,780 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:52:26,780 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:52:26,781 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:52:26,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:26,803 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-25 17:52:26,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:52:26,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:52:26,810 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-25 17:52:26,811 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 17:52:26,811 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 17:52:26,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:26,813 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-25 17:52:26,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:52:26,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:52:26,814 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-25 17:52:26,814 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 17:52:26,822 INFO L748 eck$LassoCheckResult]: Stem: 3#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;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~c1~0#1, main_~c2~0#1, main_~c3~0#1, main_~n~0#1, main_~v~0#1, main_~i~0#1, main_~k~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;main_~c1~0#1 := 4000;main_~c2~0#1 := 2000;main_~c3~0#1 := 10000;havoc main_~n~0#1;havoc main_~v~0#1;havoc main_~i~0#1;havoc main_~k~0#1;havoc main_~j~0#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L31true assume !!(0 <= main_~n~0#1 && main_~n~0#1 < 10);main_~k~0#1 := 0;main_~i~0#1 := 0; 11#L40-2true [2022-11-25 17:52:26,823 INFO L750 eck$LassoCheckResult]: Loop: 11#L40-2true assume !!(main_~i~0#1 < main_~n~0#1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;main_~v~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 9#L37true assume !!(0 <= main_~v~0#1 && main_~n~0#1 < 2); 14#L38true assume 0 == main_~v~0#1;main_~k~0#1 := main_~k~0#1 + main_~c1~0#1; 11#L40-2true [2022-11-25 17:52:26,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:26,829 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-25 17:52:26,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:26,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515412489] [2022-11-25 17:52:26,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:26,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:26,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:52:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:27,021 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:52:27,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:27,024 INFO L85 PathProgramCache]: Analyzing trace with hash 45842, now seen corresponding path program 1 times [2022-11-25 17:52:27,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:27,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358573976] [2022-11-25 17:52:27,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:27,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:27,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:52:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:27,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:52:27,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:27,046 INFO L85 PathProgramCache]: Analyzing trace with hash 889575311, now seen corresponding path program 1 times [2022-11-25 17:52:27,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:27,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922472193] [2022-11-25 17:52:27,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:27,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:27,063 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:52:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:27,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:52:27,203 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:52:27,204 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:52:27,204 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:52:27,204 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:52:27,204 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 17:52:27,205 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:27,205 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:52:27,206 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:52:27,206 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2022-11-25 17:52:27,206 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:52:27,206 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:52:27,227 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:27,237 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:27,248 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:27,253 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:27,341 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:52:27,344 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 17:52:27,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:27,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:27,352 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:27,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 17:52:27,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:52:27,364 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:52:27,380 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:52:27,381 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 17:52:27,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:27,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:27,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:27,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:27,405 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:52:27,405 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:52:27,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 17:52:27,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:27,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:27,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:27,438 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:27,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 17:52:27,454 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 17:52:27,454 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:52:27,580 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 17:52:27,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:27,592 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:52:27,592 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:52:27,593 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:52:27,593 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:52:27,593 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 17:52:27,593 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:27,593 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:52:27,593 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:52:27,593 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2022-11-25 17:52:27,593 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:52:27,593 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:52:27,595 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:27,598 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:27,607 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:27,614 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:27,673 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:52:27,677 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 17:52:27,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:27,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:27,680 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:27,689 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 [2022-11-25 17:52:27,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:52:27,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 17:52:27,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:52:27,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:52:27,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:52:27,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 17:52:27,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 17:52:27,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 17:52:27,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:52:27,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:27,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:27,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:27,731 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:27,745 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 [2022-11-25 17:52:27,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:52:27,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 17:52:27,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:52:27,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:52:27,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:52:27,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 17:52:27,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 17:52:27,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 17:52:27,780 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 17:52:27,793 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-25 17:52:27,793 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-25 17:52:27,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:27,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:27,811 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:27,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 17:52:27,813 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 17:52:27,814 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 17:52:27,814 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 17:52:27,815 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2022-11-25 17:52:27,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:27,822 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 17:52:27,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:27,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:52:27,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:52:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:27,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 17:52:27,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:52:27,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:52:27,968 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-25 17:52:27,970 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:28,021 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 43 states and 59 transitions. Complement of second has 5 states. [2022-11-25 17:52:28,023 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 [2022-11-25 17:52:28,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:28,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 40 transitions. [2022-11-25 17:52:28,029 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 40 transitions. Stem has 3 letters. Loop has 3 letters. [2022-11-25 17:52:28,030 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:52:28,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 40 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-25 17:52:28,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:52:28,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 40 transitions. Stem has 3 letters. Loop has 6 letters. [2022-11-25 17:52:28,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:52:28,032 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 59 transitions. [2022-11-25 17:52:28,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 17:52:28,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 16 states and 22 transitions. [2022-11-25 17:52:28,040 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 17:52:28,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-25 17:52:28,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2022-11-25 17:52:28,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 17:52:28,041 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-25 17:52:28,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2022-11-25 17:52:28,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-11-25 17:52:28,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:28,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2022-11-25 17:52:28,067 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-11-25 17:52:28,067 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-11-25 17:52:28,067 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 17:52:28,068 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2022-11-25 17:52:28,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 17:52:28,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:52:28,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:52:28,069 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-25 17:52:28,069 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 17:52:28,069 INFO L748 eck$LassoCheckResult]: Stem: 102#ULTIMATE.startENTRY 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); 103#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~c1~0#1, main_~c2~0#1, main_~c3~0#1, main_~n~0#1, main_~v~0#1, main_~i~0#1, main_~k~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;main_~c1~0#1 := 4000;main_~c2~0#1 := 2000;main_~c3~0#1 := 10000;havoc main_~n~0#1;havoc main_~v~0#1;havoc main_~i~0#1;havoc main_~k~0#1;havoc main_~j~0#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 113#L31 assume !!(0 <= main_~n~0#1 && main_~n~0#1 < 10);main_~k~0#1 := 0;main_~i~0#1 := 0; 114#L40-2 assume !(main_~i~0#1 < main_~n~0#1); 105#L34-2 main_~j~0#1 := 0; 108#L46-2 [2022-11-25 17:52:28,070 INFO L750 eck$LassoCheckResult]: Loop: 108#L46-2 assume !!(main_~j~0#1 < main_~n~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~k~0#1 > 0 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 100#L18 assume !(0 == __VERIFIER_assert_~cond#1); 101#L18-2 assume { :end_inline___VERIFIER_assert } true;main_#t~post4#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1;main_#t~post5#1 := main_~k~0#1;main_~k~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 108#L46-2 [2022-11-25 17:52:28,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:28,070 INFO L85 PathProgramCache]: Analyzing trace with hash 28695930, now seen corresponding path program 1 times [2022-11-25 17:52:28,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:28,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321301919] [2022-11-25 17:52:28,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:28,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:28,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:52:28,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:28,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:52:28,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:28,119 INFO L85 PathProgramCache]: Analyzing trace with hash 74703, now seen corresponding path program 1 times [2022-11-25 17:52:28,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:28,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9831300] [2022-11-25 17:52:28,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:28,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:28,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:52:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:52:28,138 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:52:28,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:28,139 INFO L85 PathProgramCache]: Analyzing trace with hash 182003638, now seen corresponding path program 1 times [2022-11-25 17:52:28,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:52:28,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21383730] [2022-11-25 17:52:28,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:52:28,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:52:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:28,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:52:28,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:52:28,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21383730] [2022-11-25 17:52:28,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21383730] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:52:28,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:52:28,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:52:28,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837505978] [2022-11-25 17:52:28,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:52:28,383 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:52:28,383 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:52:28,383 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:52:28,388 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:52:28,388 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 17:52:28,389 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:28,389 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:52:28,389 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:52:28,389 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2022-11-25 17:52:28,389 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:52:28,389 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:52:28,391 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:28,400 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:28,404 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:28,411 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:28,416 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:28,483 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:52:28,483 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 17:52:28,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:28,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:28,489 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:28,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:52:28,494 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:52:28,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 17:52:28,519 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:52:28,519 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=1, ULTIMATE.start___VERIFIER_assert_#in~cond#1=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=1, ULTIMATE.start___VERIFIER_assert_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 17:52:28,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:28,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:28,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:28,531 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:28,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 17:52:28,540 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:52:28,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:52:28,576 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:52:28,576 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4#1=0} Honda state: {ULTIMATE.start_main_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 17:52:28,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:28,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:28,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:28,594 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:28,602 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:52:28,602 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:52:28,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 17:52:28,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:28,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:28,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:28,637 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:28,642 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 17:52:28,642 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:52:28,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 17:52:28,667 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-25 17:52:28,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:28,670 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:52:28,670 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:52:28,670 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:52:28,671 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:52:28,671 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 17:52:28,671 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:28,671 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:52:28,671 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:52:28,671 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2022-11-25 17:52:28,671 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:52:28,671 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:52:28,673 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:28,683 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:28,687 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:28,697 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:28,701 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:52:28,777 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:52:28,777 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 17:52:28,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:28,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:28,781 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:28,790 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 [2022-11-25 17:52:28,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:52:28,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 17:52:28,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:52:28,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:52:28,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:52:28,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 17:52:28,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 17:52:28,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 17:52:28,832 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:52:28,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:28,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:28,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:28,843 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:28,857 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 [2022-11-25 17:52:28,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-25 17:52:28,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:52:28,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 17:52:28,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:52:28,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:52:28,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:52:28,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 17:52:28,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 17:52:28,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 17:52:28,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:28,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:28,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:28,894 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:28,903 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 [2022-11-25 17:52:28,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-25 17:52:28,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 17:52:28,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 17:52:28,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 17:52:28,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 17:52:28,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 17:52:28,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 17:52:28,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 17:52:28,932 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 17:52:28,946 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-25 17:52:28,946 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-25 17:52:28,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:52:28,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:52:28,952 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:52:28,958 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 17:52:28,959 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-25 17:52:28,959 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 17:52:28,959 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1) = 1*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2022-11-25 17:52:28,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-25 17:52:28,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:28,965 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-25 17:52:28,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:52:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:29,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 17:52:29,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:52:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:52:29,031 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-25 17:52:29,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:52:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:52:29,127 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-25 17:52:29,129 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:29,182 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 25 transitions. Complement of second has 6 states. [2022-11-25 17:52:29,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 17:52:29,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:29,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-11-25 17:52:29,187 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-25 17:52:29,187 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:52:29,187 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 3 letters. [2022-11-25 17:52:29,188 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:52:29,188 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 6 letters. [2022-11-25 17:52:29,189 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 17:52:29,189 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions. [2022-11-25 17:52:29,198 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 17:52:29,198 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2022-11-25 17:52:29,198 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 17:52:29,198 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 17:52:29,199 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 17:52:29,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:52:29,199 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:52:29,199 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:52:29,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:52:29,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 17:52:29,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:52:29,209 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:52:29,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:52:29,212 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-11-25 17:52:29,212 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-11-25 17:52:29,212 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 17:52:29,212 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:52:29,212 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 17:52:29,212 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 17:52:29,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 17:52:29,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 17:52:29,213 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:52:29,213 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:52:29,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-25 17:52:29,215 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:52:29,215 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 17:52:29,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:52:29,215 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 17:52:29,215 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 17:52:29,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:52:29 BoogieIcfgContainer [2022-11-25 17:52:29,223 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 17:52:29,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:52:29,225 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:52:29,225 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:52:29,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:52:26" (3/4) ... [2022-11-25 17:52:29,228 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:52:29,228 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:52:29,229 INFO L158 Benchmark]: Toolchain (without parser) took 3297.36ms. Allocated memory is still 176.2MB. Free memory was 136.6MB in the beginning and 74.2MB in the end (delta: 62.5MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2022-11-25 17:52:29,229 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 123.7MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:52:29,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.79ms. Allocated memory is still 176.2MB. Free memory was 136.6MB in the beginning and 126.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 17:52:29,233 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.06ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 124.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:52:29,234 INFO L158 Benchmark]: Boogie Preprocessor took 22.66ms. Allocated memory is still 176.2MB. Free memory was 124.7MB in the beginning and 123.7MB in the end (delta: 921.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:52:29,237 INFO L158 Benchmark]: RCFGBuilder took 410.16ms. Allocated memory is still 176.2MB. Free memory was 123.7MB in the beginning and 113.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 17:52:29,237 INFO L158 Benchmark]: BuchiAutomizer took 2566.26ms. Allocated memory is still 176.2MB. Free memory was 112.7MB in the beginning and 74.2MB in the end (delta: 38.5MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2022-11-25 17:52:29,237 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 176.2MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:52:29,245 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 123.7MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.79ms. Allocated memory is still 176.2MB. Free memory was 136.6MB in the beginning and 126.2MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.06ms. Allocated memory is still 176.2MB. Free memory was 126.2MB in the beginning and 124.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.66ms. Allocated memory is still 176.2MB. Free memory was 124.7MB in the beginning and 123.7MB in the end (delta: 921.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 410.16ms. Allocated memory is still 176.2MB. Free memory was 123.7MB in the beginning and 113.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2566.26ms. Allocated memory is still 176.2MB. Free memory was 112.7MB in the beginning and 74.2MB in the end (delta: 38.5MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 176.2MB. Free memory is still 74.2MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + n and consists of 4 locations. One deterministic module has affine ranking function k and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. 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 [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 28 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 17:52:29,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:29,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 17:52:29,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1117fb33-8231-4ac0-9028-de81ed3e3083/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE