./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca.i -s /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer --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 65da722a2ea59f5974c3b0082ca57aa0ffbedb9a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:40:00,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:40:00,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:40:00,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:40:00,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:40:00,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:40:00,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:40:00,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:40:00,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:40:00,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:40:00,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:40:00,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:40:00,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:40:00,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:40:00,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:40:00,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:40:00,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:40:00,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:40:00,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:40:00,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:40:00,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:40:00,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:40:00,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:40:00,221 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:40:00,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:40:00,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:40:00,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:40:00,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:40:00,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:40:00,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:40:00,239 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:40:00,240 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:40:00,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:40:00,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:40:00,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:40:00,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:40:00,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:40:00,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:40:00,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:40:00,252 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:40:00,253 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:40:00,256 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-12-01 15:40:00,313 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:40:00,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:40:00,315 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:40:00,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:40:00,316 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:40:00,316 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 15:40:00,317 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 15:40:00,317 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 15:40:00,317 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 15:40:00,317 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 15:40:00,319 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 15:40:00,319 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:40:00,320 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:40:00,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:40:00,320 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:40:00,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 15:40:00,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 15:40:00,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 15:40:00,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:40:00,322 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 15:40:00,322 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:40:00,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 15:40:00,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:40:00,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:40:00,323 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 15:40:00,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:40:00,324 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:40:00,325 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:40:00,325 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 15:40:00,328 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 15:40:00,328 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-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65da722a2ea59f5974c3b0082ca57aa0ffbedb9a [2020-12-01 15:40:00,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:40:00,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:40:00,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:40:00,644 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:40:00,647 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:40:00,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/../../sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca.i [2020-12-01 15:40:00,751 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/data/a9a41bfd0/a53f2a8dc1d8419281e7a23d7a4bf6db/FLAG7bbbbe05d [2020-12-01 15:40:01,321 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:40:01,321 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/sv-benchmarks/c/termination-memory-linkedlists/cll_by_lseg_traverse-alloca.i [2020-12-01 15:40:01,338 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/data/a9a41bfd0/a53f2a8dc1d8419281e7a23d7a4bf6db/FLAG7bbbbe05d [2020-12-01 15:40:01,599 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/data/a9a41bfd0/a53f2a8dc1d8419281e7a23d7a4bf6db [2020-12-01 15:40:01,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:40:01,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:40:01,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:40:01,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:40:01,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:40:01,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:40:01" (1/1) ... [2020-12-01 15:40:01,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@471a37e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:01, skipping insertion in model container [2020-12-01 15:40:01,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:40:01" (1/1) ... [2020-12-01 15:40:01,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:40:01,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:40:02,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:40:02,100 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:40:02,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:40:02,192 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:40:02,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:02 WrapperNode [2020-12-01 15:40:02,193 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:40:02,194 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:40:02,194 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:40:02,195 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:40:02,205 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:02" (1/1) ... [2020-12-01 15:40:02,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:02" (1/1) ... [2020-12-01 15:40:02,259 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:40:02,260 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:40:02,260 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:40:02,260 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:40:02,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:02" (1/1) ... [2020-12-01 15:40:02,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:02" (1/1) ... [2020-12-01 15:40:02,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:02" (1/1) ... [2020-12-01 15:40:02,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:02" (1/1) ... [2020-12-01 15:40:02,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:02" (1/1) ... [2020-12-01 15:40:02,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:02" (1/1) ... [2020-12-01 15:40:02,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:02" (1/1) ... [2020-12-01 15:40:02,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:40:02,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:40:02,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:40:02,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:40:02,307 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:40:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-01 15:40:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-01 15:40:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-01 15:40:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure new_lseg [2020-12-01 15:40:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure new_lseg [2020-12-01 15:40:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:40:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:40:02,649 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:40:02,652 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-12-01 15:40:02,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:40:02 BoogieIcfgContainer [2020-12-01 15:40:02,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:40:02,655 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 15:40:02,664 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 15:40:02,667 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 15:40:02,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:40:02,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:40:01" (1/3) ... [2020-12-01 15:40:02,674 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@98e8e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:40:02, skipping insertion in model container [2020-12-01 15:40:02,674 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:40:02,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:40:02" (2/3) ... [2020-12-01 15:40:02,675 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@98e8e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:40:02, skipping insertion in model container [2020-12-01 15:40:02,675 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:40:02,675 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:40:02" (3/3) ... [2020-12-01 15:40:02,677 INFO L389 chiAutomizerObserver]: Analyzing ICFG cll_by_lseg_traverse-alloca.i [2020-12-01 15:40:02,753 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 15:40:02,753 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 15:40:02,753 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 15:40:02,753 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:40:02,754 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:40:02,754 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 15:40:02,754 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:40:02,754 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 15:40:02,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-12-01 15:40:02,826 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-12-01 15:40:02,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:40:02,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:40:02,833 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-12-01 15:40:02,833 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-12-01 15:40:02,833 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 15:40:02,834 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-12-01 15:40:02,836 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2020-12-01 15:40:02,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:40:02,836 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:40:02,837 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-12-01 15:40:02,837 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-12-01 15:40:02,844 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_~n~0, main_~x~2.base, main_~x~2.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 12#L572true assume !(main_~n~0 < 1);new_cll_#in~n := main_~n~0;havoc new_cll_#res.base, new_cll_#res.offset;havoc new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset, new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset;new_cll_~n := new_cll_#in~n;call new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);new_cll_~x~1.base, new_cll_~x~1.offset := new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset;call write~int(new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset, 4); 18#L559true call new_cll_#t~ret5.base, new_cll_#t~ret5.offset := new_lseg(new_cll_~x~1.base, new_cll_~x~1.offset, new_cll_~n - 1);< 14#new_lsegENTRYtrue [2020-12-01 15:40:02,845 INFO L796 eck$LassoCheckResult]: Loop: 14#new_lsegENTRYtrue ~p.base, ~p.offset := #in~p.base, #in~p.offset;~n := #in~n; 10#L548true assume !(0 == ~n);call #t~malloc2.base, #t~malloc2.offset := #Ultimate.allocOnHeap(12);~x~0.base, ~x~0.offset := #t~malloc2.base, #t~malloc2.offset;call write~int(~n, ~x~0.base, ~x~0.offset, 4); 15#L552true call #t~ret3.base, #t~ret3.offset := new_lseg(~p.base, ~p.offset, ~n - 1);< 14#new_lsegENTRYtrue [2020-12-01 15:40:02,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:02,851 INFO L82 PathProgramCache]: Analyzing trace with hash 925696, now seen corresponding path program 1 times [2020-12-01 15:40:02,860 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:02,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838655698] [2020-12-01 15:40:02,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:40:02,970 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:40:02,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:40:02,992 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:40:03,012 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:40:03,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:03,014 INFO L82 PathProgramCache]: Analyzing trace with hash 57729, now seen corresponding path program 1 times [2020-12-01 15:40:03,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:03,015 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046674323] [2020-12-01 15:40:03,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:40:03,034 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:40:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:40:03,048 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:40:03,053 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:40:03,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:03,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1807633698, now seen corresponding path program 1 times [2020-12-01 15:40:03,055 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:03,055 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143786297] [2020-12-01 15:40:03,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:40:03,084 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:40:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:40:03,136 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:40:03,144 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:40:03,387 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 76 [2020-12-01 15:40:03,624 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-01 15:40:03,961 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 82 [2020-12-01 15:40:04,075 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-12-01 15:40:04,217 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-12-01 15:40:04,313 INFO L210 LassoAnalysis]: Preferences: [2020-12-01 15:40:04,314 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-12-01 15:40:04,314 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-12-01 15:40:04,315 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-12-01 15:40:04,315 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-12-01 15:40:04,315 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:04,315 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-12-01 15:40:04,316 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-12-01 15:40:04,316 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_by_lseg_traverse-alloca.i_Iteration1_Lasso [2020-12-01 15:40:04,317 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-12-01 15:40:04,317 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-12-01 15:40:04,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,534 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-12-01 15:40:04,956 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-12-01 15:40:04,963 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:04,974 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:04,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:04,976 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:04,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:04,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:04,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:04,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:04,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:04,996 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:40:05,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,102 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,103 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,103 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,126 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,166 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,193 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,207 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,250 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,271 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,274 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,280 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,314 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,343 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,370 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,406 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,430 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,430 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,438 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,477 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,479 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,479 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,479 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,479 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,495 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,542 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,606 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:40:05,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,649 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:40:05,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,672 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:40:05,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,727 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,762 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,816 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,817 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,817 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,837 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:40:05,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,867 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-12-01 15:40:05,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-12-01 15:40:05,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-12-01 15:40:05,869 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:05,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:05,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:40:05,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-12-01 15:40:05,908 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:05,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:05,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:05,936 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-12-01 15:40:05,937 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-12-01 15:40:05,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:05,953 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2020-12-01 15:40:05,954 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2020-12-01 15:40:05,989 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:40:06,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:06,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:06,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:06,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:06,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:06,039 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:40:06,039 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:06,055 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:40:06,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:06,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:06,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:06,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-12-01 15:40:06,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:06,100 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-12-01 15:40:06,100 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:06,114 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-12-01 15:40:06,151 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-12-01 15:40:06,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-12-01 15:40:06,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-12-01 15:40:06,153 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2020-12-01 15:40:06,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-12-01 15:40:06,165 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2020-12-01 15:40:06,166 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:06,193 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-12-01 15:40:06,272 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2020-12-01 15:40:06,272 INFO L444 ModelExtractionUtils]: 11 out of 21 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-12-01 15:40:06,375 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-12-01 15:40:06,398 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2020-12-01 15:40:06,399 INFO L510 LassoAnalysis]: Proved termination. [2020-12-01 15:40:06,399 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(new_lseg_#in~n) = 1*new_lseg_#in~n Supporting invariants [1*new_lseg_#in~n >= 0] [2020-12-01 15:40:06,463 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2020-12-01 15:40:06,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:06,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-01 15:40:06,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:40:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:40:06,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-01 15:40:06,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:40:06,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:40:06,710 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2020-12-01 15:40:06,711 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states. Second operand 5 states. [2020-12-01 15:40:06,845 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states.. Second operand 5 states. Result 35 states and 41 transitions. Complement of second has 13 states. [2020-12-01 15:40:06,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2020-12-01 15:40:06,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-12-01 15:40:06,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-12-01 15:40:06,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 3 letters. [2020-12-01 15:40:06,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:40:06,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 7 letters. Loop has 3 letters. [2020-12-01 15:40:06,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:40:06,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2020-12-01 15:40:06,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-12-01 15:40:06,853 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2020-12-01 15:40:06,861 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-12-01 15:40:06,871 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 22 states and 27 transitions. [2020-12-01 15:40:06,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2020-12-01 15:40:06,873 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-12-01 15:40:06,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 27 transitions. [2020-12-01 15:40:06,874 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-12-01 15:40:06,874 INFO L692 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-12-01 15:40:06,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 27 transitions. [2020-12-01 15:40:06,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2020-12-01 15:40:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-12-01 15:40:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2020-12-01 15:40:06,911 INFO L715 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-12-01 15:40:06,911 INFO L595 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-12-01 15:40:06,912 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 15:40:06,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2020-12-01 15:40:06,914 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-12-01 15:40:06,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:40:06,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:40:06,916 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:40:06,916 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-12-01 15:40:06,918 INFO L794 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 130#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8.base, main_#t~ret8.offset, main_~n~0, main_~x~2.base, main_~x~2.offset;main_~n~0 := main_#t~nondet7;havoc main_#t~nondet7; 131#L572 assume !(main_~n~0 < 1);new_cll_#in~n := main_~n~0;havoc new_cll_#res.base, new_cll_#res.offset;havoc new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset, new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset;new_cll_~n := new_cll_#in~n;call new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset := #Ultimate.allocOnHeap(12);new_cll_~x~1.base, new_cll_~x~1.offset := new_cll_#t~malloc4.base, new_cll_#t~malloc4.offset;call write~int(new_cll_~n, new_cll_~x~1.base, new_cll_~x~1.offset, 4); 136#L559 call new_cll_#t~ret5.base, new_cll_#t~ret5.offset := new_lseg(new_cll_~x~1.base, new_cll_~x~1.offset, new_cll_~n - 1);< 137#new_lsegENTRY ~p.base, ~p.offset := #in~p.base, #in~p.offset;~n := #in~n; 138#L548 assume 0 == ~n;#res.base, #res.offset := ~p.base, ~p.offset; 143#new_lsegFINAL assume true; 141#new_lsegEXIT >#37#return; 127#L559-1 call write~$Pointer$(new_cll_#t~ret5.base, new_cll_#t~ret5.offset, new_cll_~x~1.base, 4 + new_cll_~x~1.offset, 8);havoc new_cll_#t~ret5.base, new_cll_#t~ret5.offset;new_cll_#res.base, new_cll_#res.offset := new_cll_~x~1.base, new_cll_~x~1.offset; 128#L560 main_#t~ret8.base, main_#t~ret8.offset := new_cll_#res.base, new_cll_#res.offset;main_~x~2.base, main_~x~2.offset := main_#t~ret8.base, main_#t~ret8.offset;havoc main_#t~ret8.base, main_#t~ret8.offset;traverse_#in~head.base, traverse_#in~head.offset := main_~x~2.base, main_~x~2.offset;havoc traverse_#t~mem6.base, traverse_#t~mem6.offset, traverse_~head.base, traverse_~head.offset, traverse_~curr~0.base, traverse_~curr~0.offset;traverse_~head.base, traverse_~head.offset := traverse_#in~head.base, traverse_#in~head.offset;traverse_~curr~0.base, traverse_~curr~0.offset := traverse_~head.base, traverse_~head.offset; 133#L565-2 [2020-12-01 15:40:06,918 INFO L796 eck$LassoCheckResult]: Loop: 133#L565-2 assume !!(traverse_~curr~0.base != 0 || traverse_~curr~0.offset != 0);call traverse_#t~mem6.base, traverse_#t~mem6.offset := read~$Pointer$(traverse_~curr~0.base, 4 + traverse_~curr~0.offset, 8);traverse_~curr~0.base, traverse_~curr~0.offset := traverse_#t~mem6.base, traverse_#t~mem6.offset;havoc traverse_#t~mem6.base, traverse_#t~mem6.offset; 133#L565-2 [2020-12-01 15:40:06,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:06,918 INFO L82 PathProgramCache]: Analyzing trace with hash 914562823, now seen corresponding path program 1 times [2020-12-01 15:40:06,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:06,920 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555610858] [2020-12-01 15:40:06,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:40:06,967 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:40:06,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:40:06,999 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:40:07,006 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:40:07,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:07,019 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2020-12-01 15:40:07,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:07,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092020091] [2020-12-01 15:40:07,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:40:07,028 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:40:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:40:07,033 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:40:07,040 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:40:07,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:40:07,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1713323539, now seen corresponding path program 1 times [2020-12-01 15:40:07,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:40:07,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235702781] [2020-12-01 15:40:07,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:40:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:40:07,081 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:40:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:40:07,108 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:40:07,114 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:40:08,006 WARN L197 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 143 [2020-12-01 15:40:08,055 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 15:40:08,162 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-12-01 15:40:08,163 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:40:08,170 INFO L547 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-01 15:40:08,260 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-01 15:40:08,265 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-01 15:40:08,266 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:166, output treesize:142 [2020-12-01 15:40:08,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:40:08 BoogieIcfgContainer [2020-12-01 15:40:08,402 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:40:08,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:40:08,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:40:08,403 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:40:08,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:40:02" (3/4) ... [2020-12-01 15:40:08,407 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-12-01 15:40:08,447 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f88e4cbd-13e9-497d-a637-12872f5f3a81/bin/uautomizer/witness.graphml [2020-12-01 15:40:08,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:40:08,449 INFO L168 Benchmark]: Toolchain (without parser) took 6844.66 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 69.1 MB in the beginning and 59.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 55.9 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:08,449 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory was 57.5 MB in the beginning and 57.5 MB in the end (delta: 77.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:40:08,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 580.30 ms. Allocated memory is still 96.5 MB. Free memory was 76.1 MB in the beginning and 62.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:08,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.37 ms. Allocated memory is still 96.5 MB. Free memory was 62.5 MB in the beginning and 61.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:08,451 INFO L168 Benchmark]: Boogie Preprocessor took 45.00 ms. Allocated memory is still 96.5 MB. Free memory was 61.1 MB in the beginning and 59.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:40:08,451 INFO L168 Benchmark]: RCFGBuilder took 347.78 ms. Allocated memory is still 96.5 MB. Free memory was 59.7 MB in the beginning and 44.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:08,452 INFO L168 Benchmark]: BuchiAutomizer took 5747.43 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 43.7 MB in the beginning and 61.4 MB in the end (delta: -17.7 MB). Peak memory consumption was 59.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:08,453 INFO L168 Benchmark]: Witness Printer took 44.62 ms. Allocated memory is still 142.6 MB. Free memory was 61.4 MB in the beginning and 59.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:40:08,456 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 96.5 MB. Free memory was 57.5 MB in the beginning and 57.5 MB in the end (delta: 77.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 580.30 ms. Allocated memory is still 96.5 MB. Free memory was 76.1 MB in the beginning and 62.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.37 ms. Allocated memory is still 96.5 MB. Free memory was 62.5 MB in the beginning and 61.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.00 ms. Allocated memory is still 96.5 MB. Free memory was 61.1 MB in the beginning and 59.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 347.78 ms. Allocated memory is still 96.5 MB. Free memory was 59.7 MB in the beginning and 44.0 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5747.43 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 43.7 MB in the beginning and 61.4 MB in the end (delta: -17.7 MB). Peak memory consumption was 59.6 MB. Max. memory is 16.1 GB. * Witness Printer took 44.62 ms. Allocated memory is still 142.6 MB. Free memory was 61.4 MB in the beginning and 59.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function \old(n) and consists of 5 locations. The remainder module has 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 20 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 9 SDtfs, 11 SDslu, 7 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital200 mio100 ax100 hnf100 lsp97 ukn47 mio100 lsp26 div100 bol100 ite100 ukn100 eq196 hnf91 smp100 dnf139 smp100 tf100 neg96 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 55ms VariablesStem: 2 VariablesLoop: 4 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 565]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@70c384c8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d41b86a=0, curr=-1, \result=0, x=0, NULL=1, x=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@190cd465=0, x=-1, \old(n)=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e6d9da3=0, x=-1, head=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@70c384c8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16f044e7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e6d9da3=-1, n=1, head=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16f044e7=0, NULL=0, n=1, \result=-1, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d41b86a=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 565]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L571] int n = __VERIFIER_nondet_int(); [L572] COND FALSE !(n < 1) [L557] node_t* x = malloc(sizeof(node_t)); [L558] x->val = n [L559] CALL, EXPR new_lseg(x,n-1) [L548] COND TRUE n==0 [L549] return p; [L559] RET, EXPR new_lseg(x,n-1) [L559] x->next = new_lseg(x,n-1) [L560] return x; [L575] node_t* x = new_cll(n); [L564] node_t* curr = head; Loop: [L565] COND TRUE curr != ((void *)0) [L566] EXPR curr->next [L566] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...