./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg --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 06eda88bcf58fadc282f0463569ac76abefe45f388be92897534a5e4ca080960 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 08:53:26,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:53:26,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:53:26,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:53:26,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:53:26,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:53:26,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:53:26,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:53:26,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:53:26,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:53:26,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:53:26,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:53:26,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:53:26,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:53:26,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:53:26,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:53:26,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:53:26,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:53:26,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:53:26,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:53:26,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:53:26,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:53:26,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:53:26,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:53:26,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:53:26,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:53:26,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:53:26,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:53:26,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:53:26,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:53:26,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:53:26,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:53:26,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:53:26,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:53:26,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:53:26,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:53:26,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:53:26,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:53:26,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:53:26,300 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:53:26,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:53:26,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 08:53:26,333 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:53:26,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:53:26,334 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:53:26,334 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:53:26,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:53:26,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:53:26,336 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:53:26,336 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:53:26,337 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:53:26,337 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:53:26,337 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:53:26,338 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:53:26,338 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:53:26,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:53:26,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:53:26,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:53:26,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:53:26,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:53:26,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:53:26,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:53:26,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:53:26,341 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:53:26,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:53:26,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:53:26,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:53:26,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:53:26,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:53:26,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:53:26,343 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:53:26,345 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:53:26,345 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 06eda88bcf58fadc282f0463569ac76abefe45f388be92897534a5e4ca080960 [2021-10-28 08:53:26,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:53:26,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:53:26,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:53:26,622 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:53:26,623 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:53:26,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i [2021-10-28 08:53:26,717 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/data/6eb43d7ae/e6dc73117fc547c9a0663c8dfc2f6bde/FLAG2361ca47c [2021-10-28 08:53:27,243 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:53:27,244 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/sv-benchmarks/c/termination-memory-alloca/b.01-alloca.i [2021-10-28 08:53:27,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/data/6eb43d7ae/e6dc73117fc547c9a0663c8dfc2f6bde/FLAG2361ca47c [2021-10-28 08:53:27,588 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/data/6eb43d7ae/e6dc73117fc547c9a0663c8dfc2f6bde [2021-10-28 08:53:27,590 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:53:27,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:53:27,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:53:27,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:53:27,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:53:27,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:53:27" (1/1) ... [2021-10-28 08:53:27,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616b0ca3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:53:27, skipping insertion in model container [2021-10-28 08:53:27,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:53:27" (1/1) ... [2021-10-28 08:53:27,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:53:27,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:53:27,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:53:27,935 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:53:27,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:53:27,999 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:53:28,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:53:28 WrapperNode [2021-10-28 08:53:28,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:53:28,001 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:53:28,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:53:28,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:53:28,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:53:28" (1/1) ... [2021-10-28 08:53:28,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:53:28" (1/1) ... [2021-10-28 08:53:28,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:53:28,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:53:28,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:53:28,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:53:28,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:53:28" (1/1) ... [2021-10-28 08:53:28,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:53:28" (1/1) ... [2021-10-28 08:53:28,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:53:28" (1/1) ... [2021-10-28 08:53:28,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:53:28" (1/1) ... [2021-10-28 08:53:28,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:53:28" (1/1) ... [2021-10-28 08:53:28,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:53:28" (1/1) ... [2021-10-28 08:53:28,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:53:28" (1/1) ... [2021-10-28 08:53:28,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:53:28,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:53:28,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:53:28,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:53:28,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:53:28" (1/1) ... [2021-10-28 08:53:28,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:28,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:28,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:28,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:53:28,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 08:53:28,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 08:53:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:53:28,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 08:53:28,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:53:28,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:53:28,431 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:53:28,432 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 08:53:28,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:53:28 BoogieIcfgContainer [2021-10-28 08:53:28,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:53:28,435 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:53:28,435 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:53:28,439 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:53:28,439 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:53:28,440 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:53:27" (1/3) ... [2021-10-28 08:53:28,458 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ed8e6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:53:28, skipping insertion in model container [2021-10-28 08:53:28,458 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:53:28,459 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:53:28" (2/3) ... [2021-10-28 08:53:28,459 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ed8e6e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:53:28, skipping insertion in model container [2021-10-28 08:53:28,459 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:53:28,460 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:53:28" (3/3) ... [2021-10-28 08:53:28,461 INFO L389 chiAutomizerObserver]: Analyzing ICFG b.01-alloca.i [2021-10-28 08:53:28,536 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:53:28,536 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:53:28,536 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:53:28,537 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:53:28,537 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:53:28,537 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:53:28,537 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:53:28,537 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:53:28,552 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:28,576 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 08:53:28,576 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:53:28,577 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:53:28,583 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 08:53:28,583 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 08:53:28,583 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 08:53:28,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:28,585 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 08:53:28,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:53:28,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:53:28,586 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 08:53:28,586 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 08:53:28,594 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~nondet10, main_#t~ret11;test_fun_#in~x, test_fun_#in~y := main_#t~nondet9, main_#t~nondet10;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem7, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~mem8, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 6#L555-3true [2021-10-28 08:53:28,594 INFO L793 eck$LassoCheckResult]: Loop: 6#L555-3true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 10#L555-1true assume !!(test_fun_#t~mem5 > test_fun_#t~mem6);havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;call test_fun_#t~mem7 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem7 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem7; 6#L555-3true [2021-10-28 08:53:28,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:28,602 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 08:53:28,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:28,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804187889] [2021-10-28 08:53:28,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:28,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:53:28,737 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:53:28,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:53:28,800 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:53:28,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:28,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2021-10-28 08:53:28,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:28,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348241294] [2021-10-28 08:53:28,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:28,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:53:28,838 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:53:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:53:28,858 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:53:28,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:28,875 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-10-28 08:53:28,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:53:28,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584972370] [2021-10-28 08:53:28,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:53:28,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:53:28,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:53:28,912 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:53:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:53:28,970 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:53:30,180 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 08:53:30,181 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 08:53:30,181 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 08:53:30,181 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 08:53:30,182 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 08:53:30,182 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:30,182 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 08:53:30,182 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 08:53:30,182 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.01-alloca.i_Iteration1_Lasso [2021-10-28 08:53:30,183 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 08:53:30,183 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 08:53:30,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:53:30,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:53:30,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:53:30,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:53:30,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:53:30,273 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:53:30,290 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:53:30,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:53:30,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:53:30,300 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:53:30,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:53:30,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:53:30,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:53:30,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 08:53:31,181 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 08:53:31,185 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 08:53:31,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:31,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:31,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:31,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 08:53:31,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:31,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:31,213 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:53:31,213 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:31,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:31,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:31,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:53:31,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:53:31,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:31,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:31,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:31,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:31,259 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:31,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:31,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:31,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:53:31,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:31,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:31,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:31,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:53:31,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:53:31,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 08:53:31,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:31,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:31,310 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:31,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:31,312 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:31,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 08:53:31,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:31,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:31,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:31,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:31,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:31,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:53:31,326 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:53:31,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:31,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:31,391 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:31,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:31,393 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:31,402 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:31,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:31,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:53:31,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:31,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:31,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:31,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:53:31,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:53:31,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 08:53:31,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:31,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:31,455 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:31,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:31,457 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:31,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:31,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:31,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:31,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:31,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:31,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:53:31,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:53:31,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 08:53:31,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:31,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:31,544 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:31,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:31,550 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:31,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:31,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:31,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:31,565 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:31,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:31,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:53:31,578 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:53:31,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 08:53:31,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:31,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:31,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:31,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:31,633 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:31,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 08:53:31,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:31,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:31,651 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:31,651 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:31,651 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:31,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:53:31,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:53:31,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:31,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:31,709 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:31,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:31,714 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:31,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:31,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:31,729 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:53:31,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:31,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:31,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:31,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:53:31,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:53:31,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 08:53:31,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:31,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:31,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:31,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:31,775 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:31,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:31,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 08:53:31,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:31,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:31,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:31,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:31,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:53:31,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:53:31,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:31,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:31,823 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:31,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:31,824 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:31,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 08:53:31,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:31,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:31,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:53:31,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:31,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:31,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:31,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:53:31,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:53:31,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:31,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:31,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:31,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:31,872 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:31,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 08:53:31,873 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:31,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:31,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:31,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:31,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:31,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:53:31,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:53:31,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:31,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:31,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:31,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:31,929 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:31,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 08:53:31,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:31,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:31,954 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:53:31,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:31,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:31,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:31,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:53:31,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:53:31,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:31,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:31,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:31,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:31,993 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:31,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 08:53:31,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:32,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:32,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 08:53:32,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:32,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:32,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:32,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 08:53:32,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 08:53:32,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:32,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-28 08:53:32,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:32,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:32,039 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:32,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 08:53:32,043 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:32,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:32,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:32,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:32,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:32,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:53:32,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:53:32,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:32,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:32,134 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:32,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:32,135 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:32,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:32,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:32,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:32,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:32,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:32,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:53:32,160 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:53:32,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 08:53:32,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:32,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-28 08:53:32,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:32,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:32,209 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:32,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 08:53:32,210 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:32,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:32,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:32,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:32,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:32,221 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:53:32,221 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:53:32,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:32,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:32,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:32,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:32,292 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:32,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 08:53:32,302 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:32,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:32,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:32,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:32,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:32,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:53:32,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:53:32,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:32,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:32,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:32,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:32,357 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:32,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 08:53:32,359 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:32,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:32,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:32,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:32,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:32,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:53:32,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:53:32,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:32,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:32,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:32,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:32,430 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:32,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:32,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:32,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:32,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:32,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:32,461 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:53:32,461 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:53:32,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 08:53:32,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 08:53:32,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:32,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:32,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:32,517 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:32,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 08:53:32,523 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 08:53:32,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 08:53:32,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 08:53:32,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 08:53:32,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 08:53:32,541 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 08:53:32,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 08:53:32,557 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 08:53:32,624 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-28 08:53:32,624 INFO L444 ModelExtractionUtils]: 8 out of 28 variables were initially zero. Simplification set additionally 15 variables to zero. [2021-10-28 08:53:32,626 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:53:32,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:53:32,628 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:53:32,662 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 08:53:32,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 08:53:32,694 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 08:53:32,694 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 08:53:32,695 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~y, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = -1*ULTIMATE.start_test_fun_~y + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [-1*ULTIMATE.start_test_fun_~y + 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_1 >= 0] [2021-10-28 08:53:32,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:32,868 INFO L297 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2021-10-28 08:53:32,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:53:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:32,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 08:53:32,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:53:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:53:32,950 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 08:53:32,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 08:53:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:53:33,006 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 08:53:33,008 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:33,079 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.25) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 23 transitions. Complement of second has 7 states. [2021-10-28 08:53:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 08:53:33,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 08:53:33,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2021-10-28 08:53:33,084 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-28 08:53:33,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:53:33,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 08:53:33,085 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:53:33,085 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-28 08:53:33,086 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 08:53:33,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2021-10-28 08:53:33,089 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:53:33,092 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2021-10-28 08:53:33,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 08:53:33,093 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 08:53:33,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 08:53:33,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:53:33,094 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:53:33,094 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:53:33,094 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 08:53:33,095 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 08:53:33,095 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 08:53:33,095 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 08:53:33,095 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 08:53:33,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:53:33 BoogieIcfgContainer [2021-10-28 08:53:33,102 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 08:53:33,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:53:33,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:53:33,103 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:53:33,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:53:28" (3/4) ... [2021-10-28 08:53:33,107 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 08:53:33,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:53:33,109 INFO L168 Benchmark]: Toolchain (without parser) took 5516.28 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 69.3 MB in the beginning and 72.7 MB in the end (delta: -3.4 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:53:33,110 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 102.8 MB. Free memory is still 56.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:53:33,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.98 ms. Allocated memory is still 102.8 MB. Free memory was 69.2 MB in the beginning and 74.2 MB in the end (delta: -5.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:53:33,111 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.52 ms. Allocated memory is still 102.8 MB. Free memory was 74.2 MB in the beginning and 72.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:53:33,112 INFO L168 Benchmark]: Boogie Preprocessor took 24.29 ms. Allocated memory is still 102.8 MB. Free memory was 72.4 MB in the beginning and 71.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:53:33,113 INFO L168 Benchmark]: RCFGBuilder took 365.49 ms. Allocated memory is still 102.8 MB. Free memory was 71.2 MB in the beginning and 61.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 08:53:33,114 INFO L168 Benchmark]: BuchiAutomizer took 4667.23 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 61.1 MB in the beginning and 73.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2021-10-28 08:53:33,115 INFO L168 Benchmark]: Witness Printer took 4.86 ms. Allocated memory is still 138.4 MB. Free memory was 73.6 MB in the beginning and 72.7 MB in the end (delta: 931.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:53:33,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 102.8 MB. Free memory is still 56.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 406.98 ms. Allocated memory is still 102.8 MB. Free memory was 69.2 MB in the beginning and 74.2 MB in the end (delta: -5.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.52 ms. Allocated memory is still 102.8 MB. Free memory was 74.2 MB in the beginning and 72.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.29 ms. Allocated memory is still 102.8 MB. Free memory was 72.4 MB in the beginning and 71.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 365.49 ms. Allocated memory is still 102.8 MB. Free memory was 71.2 MB in the beginning and 61.1 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4667.23 ms. Allocated memory was 102.8 MB in the beginning and 138.4 MB in the end (delta: 35.7 MB). Free memory was 61.1 MB in the beginning and 73.8 MB in the end (delta: -12.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. * Witness Printer took 4.86 ms. Allocated memory is still 138.4 MB. Free memory was 73.6 MB in the beginning and 72.7 MB in the end (delta: 931.2 kB). 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). One deterministic module has affine ranking function -1 * y + unknown-#memory_int-unknown[x_ref][x_ref] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 6 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital250 mio100 ax107 hnf100 lsp89 ukn65 mio100 lsp38 div100 bol100 ite100 ukn100 eq165 hnf90 smp90 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 08:53:33,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 08:53:33,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9251aa8c-de60-48b6-917f-a59ee872237c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...