./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be --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 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:54:05,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:54:05,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:54:05,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:54:05,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:54:05,347 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:54:05,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:54:05,353 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:54:05,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:54:05,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:54:05,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:54:05,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:54:05,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:54:05,370 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:54:05,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:54:05,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:54:05,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:54:05,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:54:05,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:54:05,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:54:05,394 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:54:05,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:54:05,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:54:05,400 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:54:05,411 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:54:05,411 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:54:05,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:54:05,415 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:54:05,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:54:05,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:54:05,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:54:05,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:54:05,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:54:05,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:54:05,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:54:05,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:54:05,428 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:54:05,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:54:05,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:54:05,429 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:54:05,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:54:05,432 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:54:05,487 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:54:05,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:54:05,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:54:05,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:54:05,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:54:05,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:54:05,491 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:54:05,491 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:54:05,491 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:54:05,492 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:54:05,493 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:54:05,493 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:54:05,493 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:54:05,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:54:05,494 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:54:05,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:54:05,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:54:05,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:54:05,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:54:05,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:54:05,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:54:05,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:54:05,496 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:54:05,496 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:54:05,496 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:54:05,497 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:54:05,497 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:54:05,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:54:05,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:54:05,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:54:05,498 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:54:05,499 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:54:05,500 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:54:05,500 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_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70ffe9cd45c37f44e9e780e31340fab45b6a2fb7f7ef23a2d90faf4241229d6 [2021-10-21 19:54:05,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:54:05,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:54:05,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:54:05,858 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:54:05,859 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:54:05,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/loops/trex04.c [2021-10-21 19:54:05,935 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/data/54b618b3d/638d8f2fd1274a329efe67d09e3f19a7/FLAG2bd133bf8 [2021-10-21 19:54:06,467 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:54:06,468 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/sv-benchmarks/c/loops/trex04.c [2021-10-21 19:54:06,475 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/data/54b618b3d/638d8f2fd1274a329efe67d09e3f19a7/FLAG2bd133bf8 [2021-10-21 19:54:06,853 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/data/54b618b3d/638d8f2fd1274a329efe67d09e3f19a7 [2021-10-21 19:54:06,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:54:06,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:54:06,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:54:06,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:54:06,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:54:06,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:54:06" (1/1) ... [2021-10-21 19:54:06,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dca24bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:06, skipping insertion in model container [2021-10-21 19:54:06,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:54:06" (1/1) ... [2021-10-21 19:54:06,883 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:54:06,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:54:07,044 WARN L228 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_27ae81db-76d8-4654-9f5b-085cef3e9695/sv-benchmarks/c/loops/trex04.c[405,418] [2021-10-21 19:54:07,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:54:07,093 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:54:07,107 WARN L228 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_27ae81db-76d8-4654-9f5b-085cef3e9695/sv-benchmarks/c/loops/trex04.c[405,418] [2021-10-21 19:54:07,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:54:07,128 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:54:07,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:07 WrapperNode [2021-10-21 19:54:07,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:54:07,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:54:07,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:54:07,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:54:07,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:07" (1/1) ... [2021-10-21 19:54:07,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:07" (1/1) ... [2021-10-21 19:54:07,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:54:07,167 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:54:07,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:54:07,168 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:54:07,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:07" (1/1) ... [2021-10-21 19:54:07,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:07" (1/1) ... [2021-10-21 19:54:07,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:07" (1/1) ... [2021-10-21 19:54:07,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:07" (1/1) ... [2021-10-21 19:54:07,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:07" (1/1) ... [2021-10-21 19:54:07,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:07" (1/1) ... [2021-10-21 19:54:07,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:07" (1/1) ... [2021-10-21 19:54:07,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:54:07,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:54:07,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:54:07,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:54:07,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:07" (1/1) ... [2021-10-21 19:54:07,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:07,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:07,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:07,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:54:07,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:54:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:54:07,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:54:07,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:54:07,546 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:54:07,546 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-21 19:54:07,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:54:07 BoogieIcfgContainer [2021-10-21 19:54:07,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:54:07,549 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:54:07,549 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:54:07,557 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:54:07,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:54:07,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:54:06" (1/3) ... [2021-10-21 19:54:07,560 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20d61aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:54:07, skipping insertion in model container [2021-10-21 19:54:07,560 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:54:07,560 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:54:07" (2/3) ... [2021-10-21 19:54:07,561 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@20d61aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:54:07, skipping insertion in model container [2021-10-21 19:54:07,561 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:54:07,561 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:54:07" (3/3) ... [2021-10-21 19:54:07,563 INFO L389 chiAutomizerObserver]: Analyzing ICFG trex04.c [2021-10-21 19:54:07,617 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:54:07,617 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:54:07,617 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:54:07,617 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:54:07,617 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:54:07,618 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:54:07,618 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:54:07,618 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:54:07,636 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:54:07,659 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-21 19:54:07,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:54:07,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:54:07,667 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:54:07,667 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 19:54:07,667 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:54:07,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:54:07,672 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-21 19:54:07,672 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:54:07,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:54:07,673 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:54:07,674 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 19:54:07,682 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 10#L-1true havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_~d~0, main_~x~0, main_~c1~1, main_~c2~1;main_~d~0 := 1;main_~x~0 := main_#t~nondet11;havoc main_#t~nondet11; 8#L31true assume !!(main_~x~0 <= 1000000 && main_~x~0 >= -1000000);main_~c1~1 := main_#t~nondet12;havoc main_#t~nondet12;main_~c2~1 := main_#t~nondet13;havoc main_#t~nondet13; 14#L34true assume !(0 != main_~c1~1 % 256); 12#L34-2true assume !(0 != main_~c2~1 % 256); 20#L35true main_~c1~1 := main_#t~nondet14;havoc main_#t~nondet14;main_~c2~1 := main_#t~nondet15;havoc main_#t~nondet15; 21#L39true assume !(0 != main_~c1~1 % 256); 9#L39-1true assume !(0 != main_~c2~1 % 256); 5#L42-1true [2021-10-21 19:54:07,682 INFO L793 eck$LassoCheckResult]: Loop: 5#L42-1true assume !!(main_~x~0 > 0);main_~x~0 := main_~x~0 - main_~d~0; 5#L42-1true [2021-10-21 19:54:07,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:07,689 INFO L82 PathProgramCache]: Analyzing trace with hash 179965264, now seen corresponding path program 1 times [2021-10-21 19:54:07,700 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:07,700 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463848641] [2021-10-21 19:54:07,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:07,702 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:54:07,834 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:54:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:54:07,898 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:54:07,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:07,902 INFO L82 PathProgramCache]: Analyzing trace with hash 95, now seen corresponding path program 1 times [2021-10-21 19:54:07,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:07,903 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982794092] [2021-10-21 19:54:07,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:07,904 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:54:07,912 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:54:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:54:07,919 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:54:07,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:07,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1283955952, now seen corresponding path program 1 times [2021-10-21 19:54:07,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:07,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82827858] [2021-10-21 19:54:07,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:07,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:54:07,986 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:54:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:54:08,040 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:54:08,836 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:54:08,836 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:54:08,836 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:54:08,837 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:54:08,837 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:54:08,837 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:08,837 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:54:08,837 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:54:08,838 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex04.c_Iteration1_Lasso [2021-10-21 19:54:08,838 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:54:08,838 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:54:08,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:54:08,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:54:08,869 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:54:08,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:54:08,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:54:08,879 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:54:08,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:54:08,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:54:08,973 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:54:08,976 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:54:08,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:54:08,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:54:08,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:54:08,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:54:09,281 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:54:09,287 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:54:09,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:09,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:09,300 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:09,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:09,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:09,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:54:09,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:09,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:09,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:09,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:54:09,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:54:09,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:54:09,345 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:09,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:09,387 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:09,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:09,390 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:09,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:09,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:54:09,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:09,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:54:09,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:09,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:09,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:09,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:54:09,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:54:09,440 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:09,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:09,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:09,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:09,468 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:09,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:54:09,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:09,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:09,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:54:09,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:09,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:09,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:09,518 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:54:09,518 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:54:09,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:09,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-21 19:54:09,573 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:09,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:09,581 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:09,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:54:09,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:09,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:09,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:09,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:09,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:09,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:09,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:09,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:09,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:09,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:09,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:09,681 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:09,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:54:09,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:09,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:09,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:09,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:09,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:09,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:09,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:09,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:09,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:09,775 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:09,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:09,777 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:09,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:54:09,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:09,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:09,797 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:54:09,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:09,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:09,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:09,799 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:54:09,799 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:54:09,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:09,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:09,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:09,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:09,865 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:09,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:09,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:09,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:09,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:09,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:09,890 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:09,891 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:09,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:54:09,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:09,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:09,950 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:09,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:09,952 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:09,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:09,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:09,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:09,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:09,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:09,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:54:09,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:09,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:09,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,035 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:10,036 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:10,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:10,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:10,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:10,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:10,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:10,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:10,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:10,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:54:10,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,126 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:10,128 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:10,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:54:10,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:10,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:10,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:10,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:10,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:10,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:10,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:10,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:10,195 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:10,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:54:10,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:10,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:10,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:10,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:10,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:10,207 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:10,207 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:10,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:10,274 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:10,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:10,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:10,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:10,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:10,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:10,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:10,303 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:10,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:54:10,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:10,347 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:10,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:54:10,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:10,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:10,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:10,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:10,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:10,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:10,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:10,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:10,429 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:10,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:10,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:10,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:10,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:10,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:10,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:10,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:10,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:54:10,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:10,498 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:10,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:10,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:10,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:10,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:10,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:10,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:10,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:10,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:54:10,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,584 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:10,585 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:10,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:54:10,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:10,601 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:10,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:10,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:10,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:10,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:10,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:10,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:10,638 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:10,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:54:10,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:10,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:10,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:10,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:10,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:10,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:10,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:10,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:10,699 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:10,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:54:10,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:10,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:10,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:10,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:10,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:10,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:10,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:10,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:10,742 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:10,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:54:10,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:10,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:10,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:54:10,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:10,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:10,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:10,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:54:10,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:54:10,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,788 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:10,790 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:10,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 19:54:10,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:10,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:10,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:54:10,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:10,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:10,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:10,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:54:10,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:54:10,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:10,833 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:10,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 19:54:10,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:10,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:10,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:10,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:10,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:10,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:10,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:10,876 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:10,917 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:10,925 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:10,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:10,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:10,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:10,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:10,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:10,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:10,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 19:54:10,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:10,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:10,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:10,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:11,001 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:11,003 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:11,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:11,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:11,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:11,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:11,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:11,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:11,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 19:54:11,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:54:11,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:11,076 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:11,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:11,077 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:11,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:54:11,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:54:11,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:54:11,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:54:11,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:54:11,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:54:11,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:54:11,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 19:54:11,128 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:54:11,147 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-21 19:54:11,147 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-10-21 19:54:11,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:54:11,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:54:11,151 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:54:11,157 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:54:11,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 19:54:11,187 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:54:11,188 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:54:11,188 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [1*ULTIMATE.start_main_~d~0 - 1 >= 0] [2021-10-21 19:54:11,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:11,267 INFO L297 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2021-10-21 19:54:11,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:11,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:54:11,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:54:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:54:11,495 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:54:11,495 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:54:11,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:54:11,517 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 [2021-10-21 19:54:11,519 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 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) [2021-10-21 19:54:11,656 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 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 62 states and 90 transitions. Complement of second has 8 states. [2021-10-21 19:54:11,657 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 [2021-10-21 19:54:11,659 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) [2021-10-21 19:54:11,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 63 transitions. [2021-10-21 19:54:11,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 63 transitions. Stem has 8 letters. Loop has 1 letters. [2021-10-21 19:54:11,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:54:11,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 63 transitions. Stem has 9 letters. Loop has 1 letters. [2021-10-21 19:54:11,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:54:11,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 63 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-21 19:54:11,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:54:11,667 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 90 transitions. [2021-10-21 19:54:11,681 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2021-10-21 19:54:11,685 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 24 states and 38 transitions. [2021-10-21 19:54:11,686 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-10-21 19:54:11,687 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-21 19:54:11,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 38 transitions. [2021-10-21 19:54:11,687 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:54:11,687 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 38 transitions. [2021-10-21 19:54:11,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 38 transitions. [2021-10-21 19:54:11,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 21. [2021-10-21 19:54:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 20 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:54:11,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 35 transitions. [2021-10-21 19:54:11,713 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 35 transitions. [2021-10-21 19:54:11,713 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 35 transitions. [2021-10-21 19:54:11,713 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:54:11,713 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 35 transitions. [2021-10-21 19:54:11,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-21 19:54:11,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:54:11,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:54:11,716 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:54:11,717 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 19:54:11,717 INFO L791 eck$LassoCheckResult]: Stem: 179#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(9);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 180#L-1 havoc main_#res;havoc main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_~d~0, main_~x~0, main_~c1~1, main_~c2~1;main_~d~0 := 1;main_~x~0 := main_#t~nondet11;havoc main_#t~nondet11; 181#L31 assume !!(main_~x~0 <= 1000000 && main_~x~0 >= -1000000);main_~c1~1 := main_#t~nondet12;havoc main_#t~nondet12;main_~c2~1 := main_#t~nondet13;havoc main_#t~nondet13; 182#L34 assume 0 != main_~c1~1 % 256;main_~d~0 := main_~d~0 - 1; 186#L34-2 assume !(0 != main_~c2~1 % 256); 185#L35 main_~c1~1 := main_#t~nondet14;havoc main_#t~nondet14;main_~c2~1 := main_#t~nondet15;havoc main_#t~nondet15; 190#L39 assume !(0 != main_~c1~1 % 256); 177#L39-1 assume !(0 != main_~c2~1 % 256); 178#L42-1 [2021-10-21 19:54:11,717 INFO L793 eck$LassoCheckResult]: Loop: 178#L42-1 assume !!(main_~x~0 > 0);main_~x~0 := main_~x~0 - main_~d~0; 178#L42-1 [2021-10-21 19:54:11,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:11,718 INFO L82 PathProgramCache]: Analyzing trace with hash 178118222, now seen corresponding path program 1 times [2021-10-21 19:54:11,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:11,718 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125974661] [2021-10-21 19:54:11,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:11,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:54:11,741 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:54:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:54:11,767 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:54:11,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:11,768 INFO L82 PathProgramCache]: Analyzing trace with hash 95, now seen corresponding path program 2 times [2021-10-21 19:54:11,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:11,769 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734720741] [2021-10-21 19:54:11,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:11,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:54:11,774 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:54:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:54:11,778 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:54:11,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:54:11,779 INFO L82 PathProgramCache]: Analyzing trace with hash 1226697650, now seen corresponding path program 1 times [2021-10-21 19:54:11,779 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:54:11,780 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184512723] [2021-10-21 19:54:11,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:54:11,780 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:54:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:54:11,817 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:54:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:54:11,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:54:12,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 19:54:12,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:54:12 BoogieIcfgContainer [2021-10-21 19:54:12,539 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:54:12,539 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:54:12,539 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:54:12,539 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:54:12,540 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:54:07" (3/4) ... [2021-10-21 19:54:12,542 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-21 19:54:12,576 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:54:12,576 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:54:12,578 INFO L168 Benchmark]: Toolchain (without parser) took 5719.60 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 78.8 MB in the beginning and 80.1 MB in the end (delta: -1.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:12,578 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 107.0 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:54:12,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.10 ms. Allocated memory is still 107.0 MB. Free memory was 78.6 MB in the beginning and 80.7 MB in the end (delta: -2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:12,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.51 ms. Allocated memory is still 107.0 MB. Free memory was 80.7 MB in the beginning and 79.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:12,580 INFO L168 Benchmark]: Boogie Preprocessor took 26.80 ms. Allocated memory is still 107.0 MB. Free memory was 79.1 MB in the beginning and 78.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:54:12,581 INFO L168 Benchmark]: RCFGBuilder took 353.09 ms. Allocated memory is still 107.0 MB. Free memory was 77.8 MB in the beginning and 67.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:12,581 INFO L168 Benchmark]: BuchiAutomizer took 4989.49 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 67.5 MB in the beginning and 81.2 MB in the end (delta: -13.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:12,582 INFO L168 Benchmark]: Witness Printer took 37.31 ms. Allocated memory is still 130.0 MB. Free memory was 81.2 MB in the beginning and 80.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:54:12,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 107.0 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 270.10 ms. Allocated memory is still 107.0 MB. Free memory was 78.6 MB in the beginning and 80.7 MB in the end (delta: -2.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.51 ms. Allocated memory is still 107.0 MB. Free memory was 80.7 MB in the beginning and 79.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.80 ms. Allocated memory is still 107.0 MB. Free memory was 79.1 MB in the beginning and 78.0 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 353.09 ms. Allocated memory is still 107.0 MB. Free memory was 77.8 MB in the beginning and 67.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4989.49 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 67.5 MB in the beginning and 81.2 MB in the end (delta: -13.7 MB). Peak memory consumption was 59.7 MB. Max. memory is 16.1 GB. * Witness Printer took 37.31 ms. Allocated memory is still 130.0 MB. Free memory was 81.2 MB in the beginning and 80.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function x and consists of 6 locations. The remainder module has 21 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. 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 12.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 21 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 45 SDtfs, 53 SDslu, 25 SDs, 0 SdLazy, 17 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.4ms Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital134 mio100 ax100 hnf100 lsp69 ukn47 mio100 lsp47 div209 bol100 ite100 ukn100 eq145 hnf45 smp100 dnf100 smp100 tf100 neg100 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 67ms 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=889} State at position 1 is {NULL=0, NULL=0, d=0, NULL=0, NULL=890, NULL=0, \result=0, NULL=892, NULL=889, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e95aa57=0, NULL=0, c2=0, c1=0, x=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1716209e=0, NULL=891, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b1c3071=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f1c8f35=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c984593=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! [2021-10-21 19:54:12,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ae81db-76d8-4654-9f5b-085cef3e9695/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...