./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/trex04.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/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_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/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 32bit --witnessprinter.graph.data.programhash f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:11:04,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:11:04,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:11:04,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:11:04,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:11:04,462 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:11:04,464 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:11:04,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:11:04,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:11:04,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:11:04,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:11:04,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:11:04,480 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:11:04,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:11:04,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:11:04,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:11:04,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:11:04,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:11:04,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:11:04,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:11:04,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:11:04,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:11:04,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:11:04,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:11:04,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:11:04,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:11:04,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:11:04,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:11:04,544 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:11:04,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:11:04,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:11:04,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:11:04,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:11:04,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:11:04,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:11:04,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:11:04,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:11:04,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:11:04,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:11:04,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:11:04,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:11:04,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 13:11:04,609 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:11:04,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:11:04,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:11:04,610 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:11:04,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:11:04,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:11:04,612 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:11:04,612 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 13:11:04,612 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 13:11:04,612 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 13:11:04,612 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 13:11:04,613 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 13:11:04,613 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 13:11:04,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:11:04,613 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:11:04,615 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:11:04,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:11:04,616 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:11:04,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:11:04,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 13:11:04,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 13:11:04,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 13:11:04,617 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:11:04,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:11:04,618 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 13:11:04,618 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:11:04,620 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 13:11:04,620 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:11:04,621 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:11:04,621 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:11:04,622 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:11:04,622 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:11:04,624 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 13:11:04,624 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_49aa280d-8d50-4845-90a8-8b37e574ece4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 [2021-11-23 13:11:04,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:11:05,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:11:05,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:11:05,025 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:11:05,027 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:11:05,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/loops/trex04.c [2021-11-23 13:11:05,114 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/data/1fa1620b5/c1e85ae09044455c8fe78b96ea346a04/FLAGa01604bb2 [2021-11-23 13:11:05,574 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:11:05,575 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/sv-benchmarks/c/loops/trex04.c [2021-11-23 13:11:05,583 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/data/1fa1620b5/c1e85ae09044455c8fe78b96ea346a04/FLAGa01604bb2 [2021-11-23 13:11:05,962 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/data/1fa1620b5/c1e85ae09044455c8fe78b96ea346a04 [2021-11-23 13:11:05,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:11:05,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:11:06,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:11:06,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:11:06,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:11:06,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:11:05" (1/1) ... [2021-11-23 13:11:06,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@759b1e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:06, skipping insertion in model container [2021-11-23 13:11:06,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:11:05" (1/1) ... [2021-11-23 13:11:06,040 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:11:06,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:11:06,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/sv-benchmarks/c/loops/trex04.c[405,418] [2021-11-23 13:11:06,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:11:06,247 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:11:06,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/sv-benchmarks/c/loops/trex04.c[405,418] [2021-11-23 13:11:06,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:11:06,284 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:11:06,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:06 WrapperNode [2021-11-23 13:11:06,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:11:06,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:11:06,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:11:06,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:11:06,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:06" (1/1) ... [2021-11-23 13:11:06,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:06" (1/1) ... [2021-11-23 13:11:06,330 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2021-11-23 13:11:06,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:11:06,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:11:06,332 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:11:06,332 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:11:06,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:06" (1/1) ... [2021-11-23 13:11:06,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:06" (1/1) ... [2021-11-23 13:11:06,344 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:06" (1/1) ... [2021-11-23 13:11:06,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:06" (1/1) ... [2021-11-23 13:11:06,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:06" (1/1) ... [2021-11-23 13:11:06,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:06" (1/1) ... [2021-11-23 13:11:06,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:06" (1/1) ... [2021-11-23 13:11:06,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:11:06,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:11:06,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:11:06,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:11:06,370 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:06" (1/1) ... [2021-11-23 13:11:06,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:06,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:06,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:06,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 13:11:06,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:11:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:11:06,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:11:06,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:11:06,527 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:11:06,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:11:06,687 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:11:06,694 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:11:06,695 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 13:11:06,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:11:06 BoogieIcfgContainer [2021-11-23 13:11:06,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:11:06,698 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 13:11:06,698 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 13:11:06,702 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 13:11:06,702 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:11:06,703 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:11:05" (1/3) ... [2021-11-23 13:11:06,704 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3afb18cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:11:06, skipping insertion in model container [2021-11-23 13:11:06,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:11:06,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:11:06" (2/3) ... [2021-11-23 13:11:06,705 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3afb18cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:11:06, skipping insertion in model container [2021-11-23 13:11:06,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:11:06,705 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:11:06" (3/3) ... [2021-11-23 13:11:06,706 INFO L388 chiAutomizerObserver]: Analyzing ICFG trex04.c [2021-11-23 13:11:06,751 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 13:11:06,751 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 13:11:06,751 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 13:11:06,751 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 13:11:06,752 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 13:11:06,752 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 13:11:06,752 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 13:11:06,752 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 13:11:06,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 13:11:06,788 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 13:11:06,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:11:06,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:11:06,794 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:11:06,794 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 13:11:06,794 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 13:11:06,795 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 13:11:06,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 13:11:06,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:11:06,799 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:11:06,800 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:11:06,800 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 13:11:06,807 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 10#L31true assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);main_~c1~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~c2~1#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 18#L34true assume !(0 != main_~c1~1#1 % 256); 13#L34-2true assume !(0 != main_~c2~1#1 % 256); 15#L35-1true main_~c1~1#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~c2~1#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 24#L39true assume !(0 != main_~c1~1#1 % 256); 17#L39-2true assume !(0 != main_~c2~1#1 % 256); 5#L42-1true [2021-11-23 13:11:06,807 INFO L793 eck$LassoCheckResult]: Loop: 5#L42-1true assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 5#L42-1true [2021-11-23 13:11:06,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:11:06,813 INFO L85 PathProgramCache]: Analyzing trace with hash 179996080, now seen corresponding path program 1 times [2021-11-23 13:11:06,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:11:06,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549765905] [2021-11-23 13:11:06,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:11:06,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:11:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:11:06,975 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:11:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:11:07,013 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:11:07,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:11:07,017 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 1 times [2021-11-23 13:11:07,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:11:07,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267323887] [2021-11-23 13:11:07,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:11:07,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:11:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:11:07,026 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:11:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:11:07,042 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:11:07,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:11:07,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1284911250, now seen corresponding path program 1 times [2021-11-23 13:11:07,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:11:07,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398436652] [2021-11-23 13:11:07,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:11:07,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:11:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:11:07,073 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:11:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:11:07,125 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:11:07,622 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:11:07,622 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:11:07,623 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:11:07,623 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:11:07,623 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 13:11:07,623 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:07,624 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:11:07,624 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:11:07,624 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex04.c_Iteration1_Lasso [2021-11-23 13:11:07,624 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:11:07,625 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:11:07,645 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 13:11:07,652 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 13:11:07,671 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 13:11:07,691 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 13:11:07,695 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 13:11:07,698 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 13:11:07,726 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 13:11:07,731 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 13:11:07,735 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 13:11:07,738 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 13:11:07,741 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 13:11:07,744 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 13:11:07,748 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 13:11:07,751 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 13:11:07,764 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 13:11:08,033 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:11:08,038 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 13:11:08,040 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:08,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:08,043 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:08,054 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 13:11:08,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:08,064 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:11:08,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:08,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:08,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:08,067 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:11:08,067 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:11:08,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 13:11:08,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:08,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:08,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:08,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:08,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:08,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 13:11:08,114 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 13:11:08,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:08,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:08,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:08,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:08,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:11:08,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:11:08,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:08,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:08,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:08,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:08,191 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:08,197 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 13:11:08,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:08,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:08,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:08,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:08,212 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:11:08,213 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:11:08,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 13:11:08,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:08,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:08,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:08,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:08,276 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:08,284 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 13:11:08,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:08,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:08,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:08,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:08,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:11:08,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:11:08,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 13:11:08,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:08,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:08,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:08,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:08,356 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:08,366 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 13:11:08,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 13:11:08,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:08,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:08,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:08,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:08,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:11:08,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:11:08,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:08,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-11-23 13:11:08,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:08,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:08,451 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:08,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 13:11:08,462 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 13:11:08,469 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:08,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:08,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:08,470 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:08,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:11:08,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:11:08,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:08,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:08,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:08,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:08,542 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:08,550 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 13:11:08,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:08,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:08,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:08,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:08,562 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:11:08,562 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:11:08,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 13:11:08,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:08,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:08,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:08,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:08,622 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:08,627 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 13:11:08,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:08,638 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:11:08,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:08,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:08,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:08,639 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:11:08,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:11:08,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 13:11:08,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:08,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-23 13:11:08,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:08,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:08,683 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:08,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 13:11:08,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-23 13:11:08,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:08,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:08,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:08,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:08,702 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:11:08,702 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:11:08,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:08,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:08,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:08,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:08,776 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:08,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 13:11:08,783 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 13:11:08,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:08,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:08,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:08,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:08,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:11:08,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:11:08,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:08,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-11-23 13:11:08,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:08,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:08,847 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:08,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 13:11:08,853 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 13:11:08,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:08,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:08,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:08,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:08,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:11:08,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:11:08,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:08,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:08,920 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:08,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:08,925 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:08,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 13:11:08,930 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 13:11:08,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:08,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:08,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:08,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:08,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:11:08,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:11:08,970 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:09,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:09,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:09,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:09,009 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:09,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 13:11:09,014 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 13:11:09,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:09,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:09,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:09,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:09,032 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:11:09,032 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:11:09,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:09,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-23 13:11:09,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:09,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:09,076 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:09,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-23 13:11:09,079 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 13:11:09,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:09,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:09,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:09,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:09,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:11:09,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:11:09,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:09,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:09,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:09,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:09,132 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:09,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-23 13:11:09,134 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 13:11:09,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:09,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:11:09,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:09,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:09,143 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:09,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:11:09,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:11:09,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:09,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:09,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:09,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:09,166 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:09,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-23 13:11:09,168 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 13:11:09,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:09,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:11:09,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:09,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:09,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:09,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:11:09,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:11:09,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:09,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:09,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:09,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:09,201 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:09,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-23 13:11:09,205 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 13:11:09,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:09,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:11:09,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:09,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:09,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:09,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:11:09,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:11:09,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:09,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:09,243 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:09,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:09,244 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:09,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-23 13:11:09,247 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 13:11:09,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:09,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:09,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:09,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:09,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:11:09,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:11:09,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:09,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:09,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:09,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:09,322 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:09,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-23 13:11:09,326 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 13:11:09,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:09,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:11:09,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:09,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:09,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:09,338 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:11:09,338 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:11:09,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:11:09,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:09,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:09,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:09,370 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:09,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-23 13:11:09,376 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 13:11:09,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:11:09,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:11:09,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:11:09,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:11:09,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-23 13:11:09,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-23 13:11:09,402 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 13:11:09,457 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-11-23 13:11:09,457 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-11-23 13:11:09,460 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:11:09,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:11:09,471 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:11:09,505 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 13:11:09,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-23 13:11:09,544 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-23 13:11:09,545 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 13:11:09,546 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~d~0#1 - 1 >= 0] [2021-11-23 13:11:09,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:09,600 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-11-23 13:11:09,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:11:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:11:09,660 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 13:11:09,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:11:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:11:09,751 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 13:11:09,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:11:09,752 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 13:11:09,790 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2021-11-23 13:11:09,791 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 13:11:09,915 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 22 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 21 states have internal predecessors, (33), 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 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 71 states and 99 transitions. Complement of second has 8 states. [2021-11-23 13:11:09,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 1 non-accepting loop states 2 accepting loop states [2021-11-23 13:11:09,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 13:11:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 70 transitions. [2021-11-23 13:11:09,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 8 letters. Loop has 1 letters. [2021-11-23 13:11:09,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:11:09,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 9 letters. Loop has 1 letters. [2021-11-23 13:11:09,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:11:09,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 70 transitions. Stem has 8 letters. Loop has 2 letters. [2021-11-23 13:11:09,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:11:09,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 99 transitions. [2021-11-23 13:11:09,958 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-11-23 13:11:09,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 28 states and 42 transitions. [2021-11-23 13:11:09,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-11-23 13:11:09,994 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-11-23 13:11:09,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 42 transitions. [2021-11-23 13:11:09,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:11:09,996 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 42 transitions. [2021-11-23 13:11:10,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 42 transitions. [2021-11-23 13:11:10,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2021-11-23 13:11:10,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.56) internal successors, (39), 24 states have internal predecessors, (39), 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 13:11:10,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 39 transitions. [2021-11-23 13:11:10,046 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2021-11-23 13:11:10,046 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2021-11-23 13:11:10,046 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 13:11:10,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 39 transitions. [2021-11-23 13:11:10,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 13:11:10,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:11:10,056 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:11:10,058 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:11:10,058 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 13:11:10,058 INFO L791 eck$LassoCheckResult]: Stem: 168#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2);call #Ultimate.allocInit(12, 3); 169#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~nondet10#1, main_#t~nondet11#1, main_#t~nondet12#1, main_~d~0#1, main_~x~0#1, main_~c1~1#1, main_~c2~1#1;main_~d~0#1 := 1;main_~x~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 170#L31 assume !!(main_~x~0#1 <= 1000000 && main_~x~0#1 >= -1000000);main_~c1~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;main_~c2~1#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1; 171#L34 assume 0 != main_~c1~1#1 % 256;main_~d~0#1 := main_~d~0#1 - 1; 174#L34-2 assume !(0 != main_~c2~1#1 % 256); 176#L35-1 main_~c1~1#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1;main_~c2~1#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 177#L39 assume !(0 != main_~c1~1#1 % 256); 167#L39-2 assume !(0 != main_~c2~1#1 % 256); 164#L42-1 [2021-11-23 13:11:10,059 INFO L793 eck$LassoCheckResult]: Loop: 164#L42-1 assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~d~0#1; 164#L42-1 [2021-11-23 13:11:10,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:11:10,059 INFO L85 PathProgramCache]: Analyzing trace with hash 178149038, now seen corresponding path program 1 times [2021-11-23 13:11:10,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:11:10,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013035271] [2021-11-23 13:11:10,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:11:10,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:11:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:11:10,093 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:11:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:11:10,107 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:11:10,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:11:10,108 INFO L85 PathProgramCache]: Analyzing trace with hash 97, now seen corresponding path program 2 times [2021-11-23 13:11:10,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:11:10,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39989774] [2021-11-23 13:11:10,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:11:10,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:11:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:11:10,114 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:11:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:11:10,118 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:11:10,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:11:10,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1227652948, now seen corresponding path program 1 times [2021-11-23 13:11:10,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:11:10,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639990209] [2021-11-23 13:11:10,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:11:10,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:11:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:11:10,141 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:11:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:11:10,157 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:11:10,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-23 13:11:10,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:11:10 BoogieIcfgContainer [2021-11-23 13:11:10,519 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 13:11:10,520 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:11:10,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:11:10,520 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:11:10,521 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:11:06" (3/4) ... [2021-11-23 13:11:10,526 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-23 13:11:10,589 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/bin/uautomizer-wIGwrQj20G/witness.graphml [2021-11-23 13:11:10,589 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:11:10,590 INFO L158 Benchmark]: Toolchain (without parser) took 4621.78ms. Allocated memory was 77.6MB in the beginning and 100.7MB in the end (delta: 23.1MB). Free memory was 35.4MB in the beginning and 66.7MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:11:10,590 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 77.6MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:11:10,591 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.26ms. Allocated memory is still 100.7MB. Free memory was 80.6MB in the beginning and 70.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:11:10,591 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.42ms. Allocated memory is still 100.7MB. Free memory was 70.8MB in the beginning and 69.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:11:10,592 INFO L158 Benchmark]: Boogie Preprocessor took 27.50ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 68.2MB in the end (delta: 851.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:11:10,592 INFO L158 Benchmark]: RCFGBuilder took 337.15ms. Allocated memory is still 100.7MB. Free memory was 68.2MB in the beginning and 58.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:11:10,593 INFO L158 Benchmark]: BuchiAutomizer took 3821.23ms. Allocated memory is still 100.7MB. Free memory was 58.1MB in the beginning and 68.1MB in the end (delta: -10.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2021-11-23 13:11:10,594 INFO L158 Benchmark]: Witness Printer took 68.86ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 66.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:11:10,597 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 77.6MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.26ms. Allocated memory is still 100.7MB. Free memory was 80.6MB in the beginning and 70.8MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.42ms. Allocated memory is still 100.7MB. Free memory was 70.8MB in the beginning and 69.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.50ms. Allocated memory is still 100.7MB. Free memory was 69.1MB in the beginning and 68.2MB in the end (delta: 851.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 337.15ms. Allocated memory is still 100.7MB. Free memory was 68.2MB in the beginning and 58.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3821.23ms. Allocated memory is still 100.7MB. Free memory was 58.1MB in the beginning and 68.1MB in the end (delta: -10.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. * Witness Printer took 68.86ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 66.7MB in the end (delta: 1.4MB). 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 x and consists of 6 locations. The remainder module has 25 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 51 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital89 mio100 ax100 hnf100 lsp24 ukn95 mio100 lsp100 div209 bol100 ite100 ukn100 eq145 hnf45 smp100 dnf100 smp100 tf100 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms 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: 42]: 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b084736=0, NULL=0, NULL=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b6786b3=0, c2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d26f20f=0, x=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29f4021=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68feee09=0, d=0, c1=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 28]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L29] int d = 1; [L30] int x = __VERIFIER_nondet_int(); [L31] COND FALSE !(!(x <= 1000000 && x >= -1000000)) [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L32] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L34] COND TRUE \read(c1) [L34] d = d - 1 [L35] COND FALSE !(\read(c2)) [L37] c1=__VERIFIER_nondet_bool() [L37] c2=__VERIFIER_nondet_bool() [L39] COND FALSE !(\read(c1)) [L40] COND FALSE !(\read(c2)) Loop: [L42] COND TRUE x>0 [L44] x=x-d End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-23 13:11:10,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49aa280d-8d50-4845-90a8-8b37e574ece4/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)