./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G --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 e315cf3165b5c80f73630ff082828d53fc68117bd863ad55d6a1d7f1b3bce898 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:29:35,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:29:35,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:29:35,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:29:35,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:29:35,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:29:35,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:29:35,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:29:35,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:29:35,353 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:29:35,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:29:35,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:29:35,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:29:35,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:29:35,360 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:29:35,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:29:35,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:29:35,364 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:29:35,366 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:29:35,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:29:35,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:29:35,378 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:29:35,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:29:35,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:29:35,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:29:35,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:29:35,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:29:35,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:29:35,387 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:29:35,388 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:29:35,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:29:35,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:29:35,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:29:35,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:29:35,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:29:35,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:29:35,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:29:35,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:29:35,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:29:35,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:29:35,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:29:35,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-23 12:29:35,463 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:29:35,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:29:35,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:29:35,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:29:35,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:29:35,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:29:35,466 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:29:35,466 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 12:29:35,466 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 12:29:35,467 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 12:29:35,468 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 12:29:35,468 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 12:29:35,468 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 12:29:35,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:29:35,469 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 12:29:35,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:29:35,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:29:35,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 12:29:35,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 12:29:35,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 12:29:35,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:29:35,470 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 12:29:35,470 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:29:35,470 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 12:29:35,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:29:35,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:29:35,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:29:35,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:29:35,473 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:29:35,474 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 12:29:35,474 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_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e315cf3165b5c80f73630ff082828d53fc68117bd863ad55d6a1d7f1b3bce898 [2021-11-23 12:29:35,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:29:35,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:29:35,784 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:29:35,785 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:29:35,786 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:29:35,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2021-11-23 12:29:35,866 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/data/d6bb1455a/f39e9578d19042e682f5be43df3fa886/FLAGb8d90eed0 [2021-11-23 12:29:36,380 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:29:36,380 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/sv-benchmarks/c/termination-memory-linkedlists/cll_traverse-alloca.i [2021-11-23 12:29:36,395 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/data/d6bb1455a/f39e9578d19042e682f5be43df3fa886/FLAGb8d90eed0 [2021-11-23 12:29:36,695 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/data/d6bb1455a/f39e9578d19042e682f5be43df3fa886 [2021-11-23 12:29:36,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:29:36,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:29:36,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:29:36,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:29:36,706 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:29:36,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:36" (1/1) ... [2021-11-23 12:29:36,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b5fda2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:36, skipping insertion in model container [2021-11-23 12:29:36,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:36" (1/1) ... [2021-11-23 12:29:36,715 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:29:36,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:29:37,058 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:29:37,067 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:29:37,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:29:37,146 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:29:37,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:37 WrapperNode [2021-11-23 12:29:37,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:29:37,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:29:37,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:29:37,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:29:37,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:37" (1/1) ... [2021-11-23 12:29:37,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:37" (1/1) ... [2021-11-23 12:29:37,190 INFO L137 Inliner]: procedures = 114, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2021-11-23 12:29:37,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:29:37,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:29:37,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:29:37,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:29:37,200 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:37" (1/1) ... [2021-11-23 12:29:37,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:37" (1/1) ... [2021-11-23 12:29:37,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:37" (1/1) ... [2021-11-23 12:29:37,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:37" (1/1) ... [2021-11-23 12:29:37,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:37" (1/1) ... [2021-11-23 12:29:37,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:37" (1/1) ... [2021-11-23 12:29:37,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:37" (1/1) ... [2021-11-23 12:29:37,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:29:37,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:29:37,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:29:37,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:29:37,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:37" (1/1) ... [2021-11-23 12:29:37,234 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:37,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:37,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:37,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 12:29:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 12:29:37,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 12:29:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 12:29:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 12:29:37,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:29:37,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:29:37,378 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:29:37,380 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:29:37,533 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:29:37,539 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:29:37,539 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 12:29:37,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:37 BoogieIcfgContainer [2021-11-23 12:29:37,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:29:37,542 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 12:29:37,542 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 12:29:37,546 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 12:29:37,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:29:37,547 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:29:36" (1/3) ... [2021-11-23 12:29:37,548 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@388540f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:29:37, skipping insertion in model container [2021-11-23 12:29:37,548 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:29:37,549 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:37" (2/3) ... [2021-11-23 12:29:37,549 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@388540f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:29:37, skipping insertion in model container [2021-11-23 12:29:37,549 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 12:29:37,549 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:37" (3/3) ... [2021-11-23 12:29:37,551 INFO L388 chiAutomizerObserver]: Analyzing ICFG cll_traverse-alloca.i [2021-11-23 12:29:37,596 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 12:29:37,611 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 12:29:37,611 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 12:29:37,611 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 12:29:37,611 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 12:29:37,612 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 12:29:37,612 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 12:29:37,612 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 12:29:37,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-23 12:29:37,659 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-11-23 12:29:37,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:29:37,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:29:37,670 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 12:29:37,670 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:29:37,670 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 12:29:37,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-23 12:29:37,675 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-11-23 12:29:37,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:29:37,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:29:37,676 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 12:29:37,676 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-23 12:29:37,684 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1.base, main_#t~ret7#1.offset, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline_init_cll } true;init_cll_#in~n#1 := main_~n~0#1;havoc init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset, init_cll_#t~post3#1, init_cll_~i~0#1, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~n#1 := init_cll_#in~n#1;havoc init_cll_~head~0#1.base, init_cll_~head~0#1.offset;call init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;call write~int(0, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset, 4);init_cll_~head~0#1.base, init_cll_~head~0#1.offset := init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~i~0#1 := 1; 6#L552-3true [2021-11-23 12:29:37,685 INFO L793 eck$LassoCheckResult]: Loop: 6#L552-3true assume !!(init_cll_~i~0#1 < init_cll_~n#1);call init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset := #Ultimate.allocOnHeap(12);init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset := init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset;havoc init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset;call write~int(init_cll_~i~0#1, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, 4);call write~$Pointer$(init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_~curr~0#1.base, 4 + init_cll_~curr~0#1.offset, 8);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset; 3#L552-2true init_cll_#t~post3#1 := init_cll_~i~0#1;init_cll_~i~0#1 := 1 + init_cll_#t~post3#1;havoc init_cll_#t~post3#1; 6#L552-3true [2021-11-23 12:29:37,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:29:37,697 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-23 12:29:37,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:29:37,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655485796] [2021-11-23 12:29:37,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:29:37,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:29:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:29:37,863 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:29:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:29:37,903 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:29:37,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:29:37,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-11-23 12:29:37,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:29:37,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688013514] [2021-11-23 12:29:37,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:29:37,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:29:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:29:37,946 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:29:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:29:37,976 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:29:37,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:29:37,978 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-11-23 12:29:37,979 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:29:37,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952856414] [2021-11-23 12:29:37,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:29:37,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:29:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:29:38,015 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:29:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:29:38,050 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:29:38,808 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 12:29:38,808 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 12:29:38,809 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 12:29:38,809 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 12:29:38,809 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 12:29:38,809 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:38,810 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 12:29:38,810 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 12:29:38,811 INFO L133 ssoRankerPreferences]: Filename of dumped script: cll_traverse-alloca.i_Iteration1_Lasso [2021-11-23 12:29:38,811 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 12:29:38,811 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 12:29:38,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:38,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:38,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:38,851 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:38,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:38,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:38,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:38,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:38,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:38,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:38,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:38,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:38,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:38,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:39,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:39,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 12:29:39,460 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 12:29:39,467 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 12:29:39,470 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:39,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:39,472 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:39,479 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 [2021-11-23 12:29:39,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:39,489 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:39,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:39,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:39,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:39,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:39,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:39,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 12:29:39,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:39,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:39,535 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:39,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:39,537 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:39,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 12:29:39,546 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 [2021-11-23 12:29:39,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:39,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:39,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:39,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:39,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:39,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:39,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:39,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:39,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:39,611 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:39,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:39,613 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:39,619 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 [2021-11-23 12:29:39,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:39,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:39,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:39,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:39,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:29:39,644 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:29:39,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 12:29:39,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:39,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:39,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:39,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:39,706 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:39,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 12:29:39,713 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 [2021-11-23 12:29:39,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:39,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:39,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:39,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:39,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:39,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:39,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:39,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:39,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:39,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:39,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:39,779 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:39,795 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 [2021-11-23 12:29:39,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:39,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:39,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:39,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:39,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:39,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:39,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:39,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 12:29:39,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:39,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:39,867 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:39,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:39,868 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:39,879 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 [2021-11-23 12:29:39,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:39,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:39,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:39,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:39,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:39,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:39,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:39,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 12:29:39,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:39,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:39,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:39,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:39,949 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:39,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 12:29:39,957 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 [2021-11-23 12:29:39,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:39,968 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:39,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:39,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:39,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:39,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:39,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:39,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:40,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:40,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,017 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:40,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 12:29:40,019 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 [2021-11-23 12:29:40,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:40,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:40,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:40,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:40,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:40,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:40,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:40,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:40,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:40,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,079 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:40,085 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 [2021-11-23 12:29:40,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:40,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:40,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:40,095 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:40,095 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:40,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:40,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:40,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 12:29:40,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:40,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:40,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,149 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:40,151 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 [2021-11-23 12:29:40,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:40,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:40,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:40,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:40,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:40,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:40,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:40,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 12:29:40,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:40,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:40,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,228 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:40,236 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 [2021-11-23 12:29:40,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:40,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:40,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:40,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:40,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:29:40,248 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:29:40,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 12:29:40,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:40,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:40,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,303 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:40,309 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 [2021-11-23 12:29:40,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:40,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:40,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:40,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:40,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:40,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:40,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:40,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 12:29:40,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:40,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:40,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,368 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:40,372 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 [2021-11-23 12:29:40,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:40,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:40,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:40,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:40,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:40,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 12:29:40,383 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:40,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:40,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:40,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-23 12:29:40,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,405 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:40,412 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 [2021-11-23 12:29:40,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:40,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:40,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:40,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:40,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:29:40,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:29:40,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-23 12:29:40,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:40,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:40,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,484 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:40,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 12:29:40,486 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 [2021-11-23 12:29:40,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:40,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:40,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:40,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:40,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:40,495 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:40,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:40,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:40,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:40,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,554 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:40,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-23 12:29:40,556 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 [2021-11-23 12:29:40,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:40,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:40,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:40,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:40,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:29:40,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:29:40,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:40,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:40,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,627 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:40,633 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 [2021-11-23 12:29:40,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:40,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:40,642 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:40,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:40,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:40,643 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:40,643 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:40,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-23 12:29:40,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:40,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:40,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,699 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:40,704 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 [2021-11-23 12:29:40,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:40,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:40,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:40,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:40,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:40,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:40,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:40,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-23 12:29:40,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:40,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:40,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,748 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:40,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-23 12:29:40,750 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 [2021-11-23 12:29:40,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:40,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:40,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:40,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:40,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:29:40,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:29:40,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:40,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:40,830 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,831 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:40,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-23 12:29:40,835 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 [2021-11-23 12:29:40,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:40,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 12:29:40,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:40,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:40,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:40,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 12:29:40,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 12:29:40,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 12:29:40,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:40,885 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,886 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:40,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-23 12:29:40,888 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 [2021-11-23 12:29:40,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 12:29:40,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 12:29:40,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 12:29:40,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 12:29:40,903 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 12:29:40,903 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 12:29:40,912 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 12:29:40,967 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-23 12:29:40,967 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-11-23 12:29:40,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 12:29:40,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:29:40,999 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 12:29:41,031 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 12:29:41,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-23 12:29:41,053 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-23 12:29:41,053 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 12:29:41,054 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_init_cll_~i~0#1, ULTIMATE.start_init_cll_~n#1) = -1*ULTIMATE.start_init_cll_~i~0#1 + 1*ULTIMATE.start_init_cll_~n#1 Supporting invariants [] [2021-11-23 12:29:41,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:41,097 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2021-11-23 12:29:41,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:29:41,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-23 12:29:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:29:41,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 12:29:41,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:29:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:29:41,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-23 12:29:41,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 12:29:41,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:29:41,254 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 [2021-11-23 12:29:41,255 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2021-11-23 12:29:41,298 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 27 states and 36 transitions. Complement of second has 7 states. [2021-11-23 12:29:41,299 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 [2021-11-23 12:29:41,304 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) [2021-11-23 12:29:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2021-11-23 12:29:41,307 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-23 12:29:41,307 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:29:41,307 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-23 12:29:41,307 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:29:41,308 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2021-11-23 12:29:41,308 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 12:29:41,309 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2021-11-23 12:29:41,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 12:29:41,315 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 8 states and 10 transitions. [2021-11-23 12:29:41,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2021-11-23 12:29:41,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-11-23 12:29:41,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 10 transitions. [2021-11-23 12:29:41,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 12:29:41,317 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-11-23 12:29:41,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 10 transitions. [2021-11-23 12:29:41,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2021-11-23 12:29:41,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.25) internal successors, (10), 7 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) [2021-11-23 12:29:41,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 10 transitions. [2021-11-23 12:29:41,343 INFO L704 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-11-23 12:29:41,343 INFO L587 BuchiCegarLoop]: Abstraction has 8 states and 10 transitions. [2021-11-23 12:29:41,344 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 12:29:41,344 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states and 10 transitions. [2021-11-23 12:29:41,344 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 12:29:41,344 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 12:29:41,345 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 12:29:41,345 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-23 12:29:41,345 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 12:29:41,346 INFO L791 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 90#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~ret7#1.base, main_#t~ret7#1.offset, main_~n~0#1, main_~head~1#1.base, main_~head~1#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;assume { :begin_inline_init_cll } true;init_cll_#in~n#1 := main_~n~0#1;havoc init_cll_#res#1.base, init_cll_#res#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset, init_cll_#t~malloc4#1.base, init_cll_#t~malloc4#1.offset, init_cll_#t~post3#1, init_cll_~i~0#1, init_cll_~next_node~0#1.base, init_cll_~next_node~0#1.offset, init_cll_~n#1, init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~n#1 := init_cll_#in~n#1;havoc init_cll_~head~0#1.base, init_cll_~head~0#1.offset;call init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset := #Ultimate.allocOnHeap(12);init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset := init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;havoc init_cll_#t~malloc2#1.base, init_cll_#t~malloc2#1.offset;call write~int(0, init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset, 4);init_cll_~head~0#1.base, init_cll_~head~0#1.offset := init_cll_~curr~0#1.base, init_cll_~curr~0#1.offset;init_cll_~i~0#1 := 1; 87#L552-3 assume !(init_cll_~i~0#1 < init_cll_~n#1); 88#L552-4 call write~$Pointer$(init_cll_~head~0#1.base, init_cll_~head~0#1.offset, init_cll_~curr~0#1.base, 4 + init_cll_~curr~0#1.offset, 8);init_cll_#res#1.base, init_cll_#res#1.offset := init_cll_~head~0#1.base, init_cll_~head~0#1.offset; 91#L559 main_#t~ret7#1.base, main_#t~ret7#1.offset := init_cll_#res#1.base, init_cll_#res#1.offset;assume { :end_inline_init_cll } true;main_~head~1#1.base, main_~head~1#1.offset := main_#t~ret7#1.base, main_#t~ret7#1.offset;havoc main_#t~ret7#1.base, main_#t~ret7#1.offset;assume { :begin_inline_traverse } true;traverse_#in~head#1.base, traverse_#in~head#1.offset := main_~head~1#1.base, main_~head~1#1.offset;havoc traverse_#t~mem5#1.base, traverse_#t~mem5#1.offset, traverse_~head#1.base, traverse_~head#1.offset, traverse_~curr~1#1.base, traverse_~curr~1#1.offset;traverse_~head#1.base, traverse_~head#1.offset := traverse_#in~head#1.base, traverse_#in~head#1.offset;traverse_~curr~1#1.base, traverse_~curr~1#1.offset := traverse_~head#1.base, traverse_~head#1.offset; 92#L564-2 [2021-11-23 12:29:41,346 INFO L793 eck$LassoCheckResult]: Loop: 92#L564-2 assume !!(traverse_~curr~1#1.base != 0 || traverse_~curr~1#1.offset != 0);call traverse_#t~mem5#1.base, traverse_#t~mem5#1.offset := read~$Pointer$(traverse_~curr~1#1.base, 4 + traverse_~curr~1#1.offset, 8);traverse_~curr~1#1.base, traverse_~curr~1#1.offset := traverse_#t~mem5#1.base, traverse_#t~mem5#1.offset;havoc traverse_#t~mem5#1.base, traverse_#t~mem5#1.offset; 92#L564-2 [2021-11-23 12:29:41,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:29:41,346 INFO L85 PathProgramCache]: Analyzing trace with hash 28696935, now seen corresponding path program 1 times [2021-11-23 12:29:41,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:29:41,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502877086] [2021-11-23 12:29:41,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:29:41,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:29:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:29:41,362 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:29:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:29:41,394 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:29:41,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:29:41,395 INFO L85 PathProgramCache]: Analyzing trace with hash 58, now seen corresponding path program 1 times [2021-11-23 12:29:41,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:29:41,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162988547] [2021-11-23 12:29:41,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:29:41,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:29:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:29:41,402 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:29:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:29:41,407 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:29:41,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:29:41,408 INFO L85 PathProgramCache]: Analyzing trace with hash 889605012, now seen corresponding path program 1 times [2021-11-23 12:29:41,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:29:41,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041634251] [2021-11-23 12:29:41,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:29:41,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:29:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:29:41,427 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 12:29:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 12:29:41,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 12:29:42,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:29:42 BoogieIcfgContainer [2021-11-23 12:29:42,253 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 12:29:42,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 12:29:42,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 12:29:42,253 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 12:29:42,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:37" (3/4) ... [2021-11-23 12:29:42,256 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-23 12:29:42,288 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 12:29:42,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 12:29:42,289 INFO L158 Benchmark]: Toolchain (without parser) took 5590.46ms. Allocated memory was 88.1MB in the beginning and 138.4MB in the end (delta: 50.3MB). Free memory was 51.8MB in the beginning and 101.7MB in the end (delta: -49.9MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2021-11-23 12:29:42,290 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:29:42,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.95ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 51.6MB in the beginning and 80.5MB in the end (delta: -29.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 12:29:42,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.24ms. Allocated memory is still 111.1MB. Free memory was 80.5MB in the beginning and 78.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:29:42,292 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 111.1MB. Free memory was 78.8MB in the beginning and 77.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 12:29:42,292 INFO L158 Benchmark]: RCFGBuilder took 322.30ms. Allocated memory is still 111.1MB. Free memory was 77.6MB in the beginning and 66.6MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 12:29:42,293 INFO L158 Benchmark]: BuchiAutomizer took 4710.35ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 66.6MB in the beginning and 103.7MB in the end (delta: -37.1MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2021-11-23 12:29:42,293 INFO L158 Benchmark]: Witness Printer took 35.57ms. Allocated memory is still 138.4MB. Free memory was 103.7MB in the beginning and 101.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 12:29:42,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 88.1MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.95ms. Allocated memory was 88.1MB in the beginning and 111.1MB in the end (delta: 23.1MB). Free memory was 51.6MB in the beginning and 80.5MB in the end (delta: -29.0MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.24ms. Allocated memory is still 111.1MB. Free memory was 80.5MB in the beginning and 78.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.59ms. Allocated memory is still 111.1MB. Free memory was 78.8MB in the beginning and 77.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 322.30ms. Allocated memory is still 111.1MB. Free memory was 77.6MB in the beginning and 66.6MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4710.35ms. Allocated memory was 111.1MB in the beginning and 138.4MB in the end (delta: 27.3MB). Free memory was 66.6MB in the beginning and 103.7MB in the end (delta: -37.1MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. * Witness Printer took 35.57ms. Allocated memory is still 138.4MB. Free memory was 103.7MB in the beginning and 101.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. The remainder module has 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. 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 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 8 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 9 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital250 mio100 ax100 hnf100 lsp97 ukn40 mio100 lsp25 div100 bol100 ite100 ukn100 eq163 hnf95 smp100 dnf164 smp90 tf100 neg93 sie129 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms 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: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 564]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {n=0, NULL=0, head=-1, \result=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c6f2682=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3441913a=0, head=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3441913a=0, head=0, head=0, head=-1, next_node=0, head=-1, \result=0, curr=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@16aeec15=0, n=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52870e46=0, \old(n)=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTUnaryExpression@5520c834=0, i=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFieldReference@16aeec15=0, next_node=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c695940=0, curr=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c6f2682=0, head=0, NULL=0, curr=0, curr=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c695940=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 564]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L570] int n = __VERIFIER_nondet_int(); [L571] CALL, EXPR init_cll(n) [L548] node_t* head; [L549] node_t* curr = malloc(sizeof(node_t)); [L550] curr->val = 0 [L551] head = curr [L552] int i = 1; [L552] COND FALSE !(i < n) [L558] curr->next = head [L559] return head; [L571] RET, EXPR init_cll(n) [L571] node_t* head = init_cll(n); [L572] CALL traverse(head) [L563] node_t* curr = head; Loop: [L564] COND TRUE curr != ((void *)0) [L565] EXPR curr->next [L565] curr = curr->next End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 12:29:42,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b7d34a93-e797-4679-861a-191535ef7b44/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)