./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/MenloPark.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 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_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/MenloPark.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a --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 64bit --witnessprinter.graph.data.programhash 6dae4b60aa9efa1955ef5fbb576e87a787ed072bbe9c11eb4417a5220402d102 --- 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-b5237d8 [2022-11-21 16:29:10,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:29:10,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:29:10,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:29:10,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:29:10,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:29:10,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:29:10,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:29:10,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:29:10,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:29:10,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:29:10,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:29:10,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:29:10,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:29:10,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:29:10,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:29:10,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:29:10,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:29:10,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:29:10,199 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:29:10,201 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:29:10,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:29:10,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:29:10,206 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:29:10,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:29:10,217 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:29:10,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:29:10,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:29:10,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:29:10,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:29:10,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:29:10,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:29:10,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:29:10,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:29:10,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:29:10,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:29:10,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:29:10,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:29:10,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:29:10,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:29:10,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:29:10,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-21 16:29:10,270 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:29:10,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:29:10,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:29:10,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:29:10,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:29:10,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:29:10,273 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:29:10,273 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 16:29:10,273 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 16:29:10,274 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 16:29:10,275 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 16:29:10,275 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 16:29:10,275 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 16:29:10,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:29:10,275 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:29:10,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:29:10,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:29:10,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 16:29:10,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 16:29:10,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 16:29:10,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:29:10,277 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 16:29:10,277 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:29:10,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 16:29:10,277 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:29:10,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:29:10,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:29:10,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:29:10,280 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 16:29:10,280 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_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dae4b60aa9efa1955ef5fbb576e87a787ed072bbe9c11eb4417a5220402d102 [2022-11-21 16:29:10,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:29:10,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:29:10,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:29:10,640 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:29:10,641 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:29:10,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/termination-crafted/MenloPark.c [2022-11-21 16:29:13,754 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:29:13,928 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:29:13,928 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/sv-benchmarks/c/termination-crafted/MenloPark.c [2022-11-21 16:29:13,934 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/data/bddf622d7/f09699968bea4afcb86e0ef52a1c941a/FLAGe9bfb70fd [2022-11-21 16:29:13,948 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/data/bddf622d7/f09699968bea4afcb86e0ef52a1c941a [2022-11-21 16:29:13,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:29:13,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:29:13,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:29:13,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:29:13,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:29:13,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:29:13" (1/1) ... [2022-11-21 16:29:13,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e9c133 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:13, skipping insertion in model container [2022-11-21 16:29:13,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:29:13" (1/1) ... [2022-11-21 16:29:13,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:29:13,980 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:29:14,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:29:14,120 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:29:14,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:29:14,142 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:29:14,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:14 WrapperNode [2022-11-21 16:29:14,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:29:14,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:29:14,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:29:14,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:29:14,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:14" (1/1) ... [2022-11-21 16:29:14,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:14" (1/1) ... [2022-11-21 16:29:14,171 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2022-11-21 16:29:14,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:29:14,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:29:14,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:29:14,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:29:14,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:14" (1/1) ... [2022-11-21 16:29:14,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:14" (1/1) ... [2022-11-21 16:29:14,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:14" (1/1) ... [2022-11-21 16:29:14,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:14" (1/1) ... [2022-11-21 16:29:14,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:14" (1/1) ... [2022-11-21 16:29:14,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:14" (1/1) ... [2022-11-21 16:29:14,188 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:14" (1/1) ... [2022-11-21 16:29:14,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:14" (1/1) ... [2022-11-21 16:29:14,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:29:14,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:29:14,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:29:14,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:29:14,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:14" (1/1) ... [2022-11-21 16:29:14,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:14,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:14,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:14,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 16:29:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:29:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:29:14,334 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:29:14,336 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:29:14,380 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:29:14,385 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:29:14,385 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 16:29:14,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:29:14 BoogieIcfgContainer [2022-11-21 16:29:14,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:29:14,388 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 16:29:14,388 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 16:29:14,393 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 16:29:14,394 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:29:14,394 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 04:29:13" (1/3) ... [2022-11-21 16:29:14,395 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fe9a7c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:29:14, skipping insertion in model container [2022-11-21 16:29:14,395 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:29:14,395 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:29:14" (2/3) ... [2022-11-21 16:29:14,396 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fe9a7c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:29:14, skipping insertion in model container [2022-11-21 16:29:14,396 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:29:14,396 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:29:14" (3/3) ... [2022-11-21 16:29:14,397 INFO L332 chiAutomizerObserver]: Analyzing ICFG MenloPark.c [2022-11-21 16:29:14,462 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 16:29:14,463 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 16:29:14,463 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 16:29:14,463 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 16:29:14,463 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 16:29:14,463 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 16:29:14,464 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 16:29:14,464 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 16:29:14,468 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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) [2022-11-21 16:29:14,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-21 16:29:14,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:29:14,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:29:14,493 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 16:29:14,493 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-21 16:29:14,493 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-21 16:29:14,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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) [2022-11-21 16:29:14,494 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-21 16:29:14,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-21 16:29:14,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-21 16:29:14,495 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-21 16:29:14,495 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-21 16:29:14,503 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 100;main_~z~0#1 := 1; 7#L22-2true [2022-11-21 16:29:14,503 INFO L750 eck$LassoCheckResult]: Loop: 7#L22-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~y~0#1 := main_~y~0#1 - main_~z~0#1;main_~z~0#1 := -main_~z~0#1; 7#L22-2true [2022-11-21 16:29:14,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:29:14,509 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-21 16:29:14,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:29:14,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476160663] [2022-11-21 16:29:14,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:29:14,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:29:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:29:14,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:29:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:29:14,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:29:14,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:29:14,623 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-21 16:29:14,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:29:14,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978150007] [2022-11-21 16:29:14,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:29:14,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:29:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:29:14,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:29:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:29:14,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:29:14,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:29:14,645 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-21 16:29:14,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 16:29:14,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560174236] [2022-11-21 16:29:14,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 16:29:14,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 16:29:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:29:14,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 16:29:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 16:29:14,681 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 16:29:14,885 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:29:14,886 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:29:14,887 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:29:14,887 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:29:14,887 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-21 16:29:14,887 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:14,888 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:29:14,888 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:29:14,888 INFO L133 ssoRankerPreferences]: Filename of dumped script: MenloPark.c_Iteration1_Lasso [2022-11-21 16:29:14,888 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:29:14,889 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:29:14,939 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:29:14,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:29:14,987 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:29:14,992 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:29:14,996 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:29:15,198 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:29:15,199 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-21 16:29:15,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:15,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:15,210 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:15,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-21 16:29:15,215 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:29:15,216 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:29:15,247 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:29:15,247 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:29:15,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-21 16:29:15,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:15,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:15,262 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:15,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-21 16:29:15,267 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:29:15,268 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:29:15,295 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:29:15,295 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:29:15,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:15,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:15,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:15,310 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:15,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-21 16:29:15,314 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:29:15,315 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:29:15,338 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:29:15,338 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:29:15,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:15,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:15,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:15,345 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:15,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-21 16:29:15,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:29:15,349 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:29:15,362 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-21 16:29:15,362 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-21 16:29:15,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:15,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:15,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:15,367 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:15,372 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-21 16:29:15,372 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:29:15,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-21 16:29:15,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-21 16:29:15,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:15,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:15,402 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:15,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-21 16:29:15,405 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-21 16:29:15,405 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-21 16:29:15,451 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-21 16:29:15,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:15,460 INFO L210 LassoAnalysis]: Preferences: [2022-11-21 16:29:15,460 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-21 16:29:15,460 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-21 16:29:15,461 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-21 16:29:15,461 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-21 16:29:15,461 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:15,461 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-21 16:29:15,461 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-21 16:29:15,461 INFO L133 ssoRankerPreferences]: Filename of dumped script: MenloPark.c_Iteration1_Lasso [2022-11-21 16:29:15,461 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-21 16:29:15,462 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-21 16:29:15,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:29:15,474 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:29:15,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:29:15,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:29:15,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-21 16:29:15,605 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-21 16:29:15,610 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-21 16:29:15,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:15,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:15,615 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:15,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-21 16:29:15,623 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 [2022-11-21 16:29:15,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:29:15,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:29:15,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:29:15,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:29:15,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:29:15,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:29:15,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:29:15,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:15,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:15,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:15,669 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:15,684 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 [2022-11-21 16:29:15,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:29:15,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:29:15,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:29:15,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:29:15,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:29:15,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:29:15,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:29:15,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-21 16:29:15,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:29:15,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:15,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:15,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:15,739 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:15,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-21 16:29:15,776 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 [2022-11-21 16:29:15,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:29:15,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:29:15,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:29:15,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:29:15,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:29:15,797 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:29:15,818 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:29:15,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:15,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:15,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:15,824 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:15,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-21 16:29:15,831 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 [2022-11-21 16:29:15,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:29:15,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:29:15,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:29:15,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:29:15,842 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:29:15,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-21 16:29:15,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:29:15,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:29:15,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:15,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:15,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:15,877 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:15,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-21 16:29:15,885 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 [2022-11-21 16:29:15,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:29:15,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:29:15,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:29:15,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-21 16:29:15,905 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-21 16:29:15,905 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-21 16:29:15,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:29:15,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:15,935 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-21 16:29:15,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:15,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:15,937 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:15,943 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 [2022-11-21 16:29:15,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-21 16:29:15,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:29:15,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:29:15,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:29:15,957 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:29:15,972 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-21 16:29:15,972 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-21 16:29:15,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:29:15,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:15,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:15,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:15,995 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:16,008 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 [2022-11-21 16:29:16,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:29:16,021 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:29:16,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:29:16,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:29:16,021 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:29:16,026 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 16:29:16,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:29:16,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-21 16:29:16,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:29:16,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:16,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:16,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:16,057 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:16,076 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 [2022-11-21 16:29:16,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-21 16:29:16,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:29:16,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:29:16,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:29:16,089 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:29:16,093 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-21 16:29:16,094 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-21 16:29:16,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:29:16,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:16,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:16,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:16,120 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:16,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-21 16:29:16,132 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 [2022-11-21 16:29:16,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:29:16,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-21 16:29:16,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:29:16,145 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:29:16,145 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:29:16,146 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-21 16:29:16,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-21 16:29:16,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-21 16:29:16,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:16,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:16,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:16,165 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:16,176 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 [2022-11-21 16:29:16,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-21 16:29:16,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-21 16:29:16,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-21 16:29:16,189 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-21 16:29:16,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-21 16:29:16,200 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-21 16:29:16,200 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-21 16:29:16,227 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-21 16:29:16,263 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-21 16:29:16,264 INFO L444 ModelExtractionUtils]: 6 out of 21 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-11-21 16:29:16,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:29:16,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:29:16,303 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:29:16,309 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-21 16:29:16,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-21 16:29:16,333 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2022-11-21 16:29:16,333 INFO L513 LassoAnalysis]: Proved termination. [2022-11-21 16:29:16,334 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -1*ULTIMATE.start_main_~y~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 f1 = 1*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [2*ULTIMATE.start_main_~y~0#1 - 1*ULTIMATE.start_main_~z~0#1 - 2 >= 0] [2022-11-21 16:29:16,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:16,358 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-21 16:29:16,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 16:29:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:16,448 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 16:29:16,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:29:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 16:29:16,469 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 16:29:16,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 16:29:16,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 16:29:16,507 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-21 16:29:16,509 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:29:16,617 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 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). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 19 transitions. Complement of second has 5 states. [2022-11-21 16:29:16,619 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 [2022-11-21 16:29:16,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 16:29:16,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-11-21 16:29:16,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. [2022-11-21 16:29:16,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:29:16,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. [2022-11-21 16:29:16,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:29:16,627 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-21 16:29:16,627 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-21 16:29:16,628 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2022-11-21 16:29:16,630 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 16:29:16,632 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2022-11-21 16:29:16,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-21 16:29:16,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-21 16:29:16,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-21 16:29:16,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-21 16:29:16,634 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:29:16,634 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:29:16,635 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 16:29:16,635 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-21 16:29:16,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-21 16:29:16,635 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 16:29:16,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 16:29:16,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 04:29:16 BoogieIcfgContainer [2022-11-21 16:29:16,642 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 16:29:16,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:29:16,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:29:16,643 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:29:16,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:29:14" (3/4) ... [2022-11-21 16:29:16,647 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:29:16,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:29:16,648 INFO L158 Benchmark]: Toolchain (without parser) took 2695.73ms. Allocated memory was 180.4MB in the beginning and 232.8MB in the end (delta: 52.4MB). Free memory was 134.4MB in the beginning and 169.7MB in the end (delta: -35.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2022-11-21 16:29:16,648 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 180.4MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:29:16,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.82ms. Allocated memory is still 180.4MB. Free memory was 133.7MB in the beginning and 125.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 16:29:16,649 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.36ms. Allocated memory is still 180.4MB. Free memory was 125.3MB in the beginning and 123.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:29:16,650 INFO L158 Benchmark]: Boogie Preprocessor took 18.68ms. Allocated memory is still 180.4MB. Free memory was 123.9MB in the beginning and 122.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 16:29:16,650 INFO L158 Benchmark]: RCFGBuilder took 196.11ms. Allocated memory is still 180.4MB. Free memory was 122.5MB in the beginning and 114.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 16:29:16,651 INFO L158 Benchmark]: BuchiAutomizer took 2254.18ms. Allocated memory was 180.4MB in the beginning and 232.8MB in the end (delta: 52.4MB). Free memory was 114.1MB in the beginning and 169.7MB in the end (delta: -55.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:29:16,651 INFO L158 Benchmark]: Witness Printer took 4.15ms. Allocated memory is still 232.8MB. Free memory is still 169.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:29:16,654 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 180.4MB. Free memory is still 151.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.82ms. Allocated memory is still 180.4MB. Free memory was 133.7MB in the beginning and 125.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.36ms. Allocated memory is still 180.4MB. Free memory was 125.3MB in the beginning and 123.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.68ms. Allocated memory is still 180.4MB. Free memory was 123.9MB in the beginning and 122.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 196.11ms. Allocated memory is still 180.4MB. Free memory was 122.5MB in the beginning and 114.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2254.18ms. Allocated memory was 180.4MB in the beginning and 232.8MB in the end (delta: 52.4MB). Free memory was 114.1MB in the beginning and 169.7MB in the end (delta: -55.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.15ms. Allocated memory is still 232.8MB. Free memory is still 169.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-nested ranking function (if 2 * x + -1 * y + 1 > 0 then 1 else 0), (if 2 * x + -1 * y + 1 > 0 then 2 * x + -1 * y + 1 else x + 1) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax146 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq200 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-21 16:29:16,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-21 16:29:16,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ef09cf2-00ef-4504-b2a5-3f93dea43541/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE