./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 93b4a0ba0c9f7effb12d2a47608c061d55502e7c43d58dada73542f7a20a21c1 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:10:15,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:10:15,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:10:15,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:10:15,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:10:15,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:10:15,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:10:15,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:10:15,229 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:10:15,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:10:15,231 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:10:15,232 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:10:15,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:10:15,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:10:15,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:10:15,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:10:15,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:10:15,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:10:15,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:10:15,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:10:15,242 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:10:15,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:10:15,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:10:15,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:10:15,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:10:15,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:10:15,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:10:15,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:10:15,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:10:15,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:10:15,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:10:15,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:10:15,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:10:15,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:10:15,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:10:15,254 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:10:15,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:10:15,255 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:10:15,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:10:15,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:10:15,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:10:15,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 19:10:15,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:10:15,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:10:15,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:10:15,281 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:10:15,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:10:15,282 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:10:15,282 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:10:15,282 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 19:10:15,283 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 19:10:15,283 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 19:10:15,283 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 19:10:15,283 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 19:10:15,283 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 19:10:15,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:10:15,284 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 19:10:15,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:10:15,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:10:15,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 19:10:15,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 19:10:15,284 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 19:10:15,284 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:10:15,284 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 19:10:15,284 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:10:15,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 19:10:15,285 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:10:15,285 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:10:15,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:10:15,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:10:15,285 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:10:15,286 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 19:10:15,286 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_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93b4a0ba0c9f7effb12d2a47608c061d55502e7c43d58dada73542f7a20a21c1 [2021-12-06 19:10:15,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:10:15,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:10:15,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:10:15,498 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:10:15,499 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:10:15,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i [2021-12-06 19:10:15,552 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/data/8dc6c6b62/05a4a4cb704742b58474aea05254bc1a/FLAG8c6f7c295 [2021-12-06 19:10:16,020 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:10:16,021 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i [2021-12-06 19:10:16,029 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/data/8dc6c6b62/05a4a4cb704742b58474aea05254bc1a/FLAG8c6f7c295 [2021-12-06 19:10:16,039 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/data/8dc6c6b62/05a4a4cb704742b58474aea05254bc1a [2021-12-06 19:10:16,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:10:16,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:10:16,043 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:10:16,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:10:16,046 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:10:16,047 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:10:16" (1/1) ... [2021-12-06 19:10:16,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689e3304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:10:16, skipping insertion in model container [2021-12-06 19:10:16,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:10:16" (1/1) ... [2021-12-06 19:10:16,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:10:16,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:10:16,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:10:16,298 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:10:16,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:10:16,355 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:10:16,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:10:16 WrapperNode [2021-12-06 19:10:16,355 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:10:16,356 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:10:16,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:10:16,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:10:16,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:10:16" (1/1) ... [2021-12-06 19:10:16,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:10:16" (1/1) ... [2021-12-06 19:10:16,392 INFO L137 Inliner]: procedures = 111, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 91 [2021-12-06 19:10:16,393 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:10:16,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:10:16,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:10:16,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:10:16,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:10:16" (1/1) ... [2021-12-06 19:10:16,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:10:16" (1/1) ... [2021-12-06 19:10:16,403 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:10:16" (1/1) ... [2021-12-06 19:10:16,403 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:10:16" (1/1) ... [2021-12-06 19:10:16,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:10:16" (1/1) ... [2021-12-06 19:10:16,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:10:16" (1/1) ... [2021-12-06 19:10:16,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:10:16" (1/1) ... [2021-12-06 19:10:16,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:10:16,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:10:16,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:10:16,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:10:16,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:10:16" (1/1) ... [2021-12-06 19:10:16,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:16,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:16,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:16,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 19:10:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:10:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:10:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:10:16,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:10:16,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:10:16,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:10:16,546 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:10:16,548 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:10:16,654 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:10:16,658 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:10:16,658 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 19:10:16,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:10:16 BoogieIcfgContainer [2021-12-06 19:10:16,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:10:16,661 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 19:10:16,661 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 19:10:16,663 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 19:10:16,664 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:10:16,664 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 07:10:16" (1/3) ... [2021-12-06 19:10:16,664 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4645efbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:10:16, skipping insertion in model container [2021-12-06 19:10:16,664 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:10:16,665 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:10:16" (2/3) ... [2021-12-06 19:10:16,665 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4645efbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 07:10:16, skipping insertion in model container [2021-12-06 19:10:16,665 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 19:10:16,665 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:10:16" (3/3) ... [2021-12-06 19:10:16,666 INFO L388 chiAutomizerObserver]: Analyzing ICFG c.07-alloca.i [2021-12-06 19:10:16,699 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 19:10:16,699 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 19:10:16,699 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 19:10:16,699 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 19:10:16,699 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 19:10:16,699 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 19:10:16,700 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 19:10:16,700 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 19:10:16,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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) [2021-12-06 19:10:16,723 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-06 19:10:16,723 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:10:16,723 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:10:16,727 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 19:10:16,727 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-06 19:10:16,728 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 19:10:16,728 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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) [2021-12-06 19:10:16,729 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-06 19:10:16,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:10:16,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:10:16,730 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 19:10:16,730 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-06 19:10:16,734 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~ret21#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1, test_fun_#in~k#1, test_fun_#in~tmp#1 := main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~malloc6#1.base, test_fun_#t~malloc6#1.offset, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~short11#1, test_fun_#t~mem16#1, test_fun_~i#1, test_fun_~j#1, test_fun_~k#1, test_fun_~tmp#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~k_ref~0#1.base, test_fun_~k_ref~0#1.offset, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;test_fun_~k#1 := test_fun_#in~k#1;test_fun_~tmp#1 := test_fun_#in~tmp#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~k_ref~0#1.base, test_fun_~k_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call test_fun_#t~malloc6#1.base, test_fun_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc6#1.base, test_fun_#t~malloc6#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(test_fun_~k#1, test_fun_~k_ref~0#1.base, test_fun_~k_ref~0#1.offset, 4);call write~int(test_fun_~tmp#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 9#L559-8true [2021-12-06 19:10:16,735 INFO L793 eck$LassoCheckResult]: Loop: 9#L559-8true call test_fun_#t~mem7#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem7#1 <= 100; 10#L559-1true assume test_fun_#t~short9#1;call test_fun_#t~mem8#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem8#1 <= test_fun_~k#1; 7#L559-3true test_fun_#t~short11#1 := test_fun_#t~short9#1; 12#L559-4true assume test_fun_#t~short11#1;call test_fun_#t~mem10#1 := read~int(test_fun_~k_ref~0#1.base, test_fun_~k_ref~0#1.offset, 4);test_fun_#t~short11#1 := test_fun_#t~mem10#1 > -2147483648; 8#L559-6true assume !!test_fun_#t~short11#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(test_fun_#t~mem13#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem14#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1;call test_fun_#t~mem15#1 := read~int(test_fun_~k_ref~0#1.base, test_fun_~k_ref~0#1.offset, 4);call write~int(test_fun_#t~mem15#1 - 1, test_fun_~k_ref~0#1.base, test_fun_~k_ref~0#1.offset, 4);havoc test_fun_#t~mem15#1; 9#L559-8true [2021-12-06 19:10:16,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:10:16,739 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-06 19:10:16,746 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:10:16,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880364645] [2021-12-06 19:10:16,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:10:16,747 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:10:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:10:16,958 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:10:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:10:17,010 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:10:17,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:10:17,012 INFO L85 PathProgramCache]: Analyzing trace with hash 35405714, now seen corresponding path program 1 times [2021-12-06 19:10:17,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:10:17,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331220842] [2021-12-06 19:10:17,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:10:17,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:10:17,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:10:17,099 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:10:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:10:17,126 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:10:17,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:10:17,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1806845200, now seen corresponding path program 1 times [2021-12-06 19:10:17,128 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:10:17,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041520496] [2021-12-06 19:10:17,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:10:17,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:10:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:10:17,244 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:10:17,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:10:17,272 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:10:19,654 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 19:10:19,655 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 19:10:19,655 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 19:10:19,655 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 19:10:19,655 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 19:10:19,655 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:19,655 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 19:10:19,655 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 19:10:19,655 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.07-alloca.i_Iteration1_Lasso [2021-12-06 19:10:19,655 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 19:10:19,655 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 19:10:19,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:19,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:19,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:19,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:19,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:19,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:19,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:19,686 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:19,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:19,689 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:20,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:20,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:20,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:20,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:20,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:20,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:20,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:20,365 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:20,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:20,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 19:10:20,717 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 19:10:20,720 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 19:10:20,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:20,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:20,722 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:20,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 19:10:20,723 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 [2021-12-06 19:10:20,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:20,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:10:20,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:20,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:20,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:20,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:10:20,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:10:20,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:20,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 19:10:20,755 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:20,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:20,756 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:20,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 19:10:20,757 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 [2021-12-06 19:10:20,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:20,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:10:20,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:20,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:20,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:20,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:10:20,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:10:20,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:20,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 19:10:20,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:20,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:20,786 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:20,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 19:10:20,787 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 [2021-12-06 19:10:20,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:20,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:10:20,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:20,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:20,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:20,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:10:20,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:10:20,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:20,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-12-06 19:10:20,815 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:20,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:20,816 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:20,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 19:10:20,817 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 [2021-12-06 19:10:20,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:20,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:10:20,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:20,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:20,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:20,825 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:10:20,825 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:10:20,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:20,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 19:10:20,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:20,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:20,846 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:20,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 19:10:20,847 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 [2021-12-06 19:10:20,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:20,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:10:20,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:20,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:20,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:20,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:10:20,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:10:20,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:20,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 19:10:20,875 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:20,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:20,876 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:20,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 19:10:20,877 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 [2021-12-06 19:10:20,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:20,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:20,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:20,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:20,887 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:10:20,887 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:10:20,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:20,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 19:10:20,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:20,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:20,909 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:20,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 19:10:20,911 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 [2021-12-06 19:10:20,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:20,918 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 19:10:20,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:20,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:20,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:20,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 19:10:20,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 19:10:20,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:20,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 19:10:20,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:20,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:20,939 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:20,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 19:10:20,941 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 [2021-12-06 19:10:20,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:20,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:20,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:20,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:20,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:10:20,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:10:20,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:20,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 19:10:20,971 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:20,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:20,972 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:20,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 19:10:20,973 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 [2021-12-06 19:10:20,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:20,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:20,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:20,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:20,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:10:20,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:10:20,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:21,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-06 19:10:21,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:21,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:21,004 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:21,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 19:10:21,006 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 [2021-12-06 19:10:21,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:21,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:21,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:21,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:21,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:10:21,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:10:21,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:21,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 19:10:21,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:21,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:21,040 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:21,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 19:10:21,041 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 [2021-12-06 19:10:21,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:21,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:21,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:21,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:21,060 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:10:21,060 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:10:21,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:21,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-06 19:10:21,107 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:21,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:21,108 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:21,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 19:10:21,109 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 [2021-12-06 19:10:21,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:21,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:21,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:21,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:21,119 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:10:21,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:10:21,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:21,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 19:10:21,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:21,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:21,141 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:21,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 19:10:21,142 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 [2021-12-06 19:10:21,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:21,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:21,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:21,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:21,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:10:21,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:10:21,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:21,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 19:10:21,175 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:21,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:21,175 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:21,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 19:10:21,176 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 [2021-12-06 19:10:21,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:21,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:21,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:21,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:21,185 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:10:21,185 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:10:21,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:21,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 19:10:21,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:21,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:21,207 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:21,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 19:10:21,208 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 [2021-12-06 19:10:21,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:21,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:21,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:21,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:21,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:10:21,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:10:21,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:21,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-06 19:10:21,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:21,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:21,241 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:21,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 19:10:21,242 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 [2021-12-06 19:10:21,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:21,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:21,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:21,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:21,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:10:21,250 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:10:21,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:21,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 19:10:21,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:21,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:21,284 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:21,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 19:10:21,289 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 [2021-12-06 19:10:21,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:21,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:21,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:21,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:21,298 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:10:21,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:10:21,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:21,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 19:10:21,320 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:21,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:21,321 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:21,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 19:10:21,322 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 [2021-12-06 19:10:21,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:21,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:21,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:21,329 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:21,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:10:21,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:10:21,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:21,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 19:10:21,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:21,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:21,353 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:21,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 19:10:21,355 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 [2021-12-06 19:10:21,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:21,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:21,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:21,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:21,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:10:21,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:10:21,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 19:10:21,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 19:10:21,394 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:21,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:21,395 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:21,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 19:10:21,396 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 [2021-12-06 19:10:21,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 19:10:21,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 19:10:21,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 19:10:21,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 19:10:21,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 19:10:21,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 19:10:21,424 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 19:10:21,459 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-06 19:10:21,459 INFO L444 ModelExtractionUtils]: 19 out of 52 variables were initially zero. Simplification set additionally 28 variables to zero. [2021-12-06 19:10:21,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 19:10:21,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:10:21,462 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 19:10:21,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 19:10:21,463 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 19:10:21,473 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 19:10:21,473 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 19:10:21,474 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_~k#1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0#1.base) ULTIMATE.start_test_fun_~j_ref~0#1.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_1) = 2*ULTIMATE.start_test_fun_~k#1 - 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0#1.base) ULTIMATE.start_test_fun_~j_ref~0#1.offset)_1 - 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0#1.base) ULTIMATE.start_test_fun_~i_ref~0#1.offset)_1 + 201 Supporting invariants [] [2021-12-06 19:10:21,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-06 19:10:21,749 INFO L297 tatePredicateManager]: 53 out of 59 supporting invariants were superfluous and have been removed [2021-12-06 19:10:21,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:10:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:10:21,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 24 conjunts are in the unsatisfiable core [2021-12-06 19:10:21,826 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:10:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:10:21,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 45 conjunts are in the unsatisfiable core [2021-12-06 19:10:21,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 19:10:22,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 19:10:22,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:10:22,180 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-12-06 19:10:22,182 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2021-12-06 19:10:22,364 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 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 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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 38 states and 49 transitions. Complement of second has 14 states. [2021-12-06 19:10:22,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-12-06 19:10:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2021-12-06 19:10:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 24 transitions. [2021-12-06 19:10:22,371 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 2 letters. Loop has 5 letters. [2021-12-06 19:10:22,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:10:22,372 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 7 letters. Loop has 5 letters. [2021-12-06 19:10:22,372 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:10:22,373 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 2 letters. Loop has 10 letters. [2021-12-06 19:10:22,373 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 19:10:22,373 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2021-12-06 19:10:22,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-06 19:10:22,379 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 19 states and 25 transitions. [2021-12-06 19:10:22,380 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-12-06 19:10:22,380 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-12-06 19:10:22,381 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2021-12-06 19:10:22,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 19:10:22,381 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-12-06 19:10:22,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2021-12-06 19:10:22,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2021-12-06 19:10:22,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 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) [2021-12-06 19:10:22,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-12-06 19:10:22,399 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-06 19:10:22,399 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-12-06 19:10:22,399 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 19:10:22,399 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-12-06 19:10:22,400 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-06 19:10:22,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 19:10:22,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 19:10:22,400 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-06 19:10:22,400 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-06 19:10:22,400 INFO L791 eck$LassoCheckResult]: Stem: 353#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 354#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1, main_#t~ret21#1;assume { :begin_inline_test_fun } true;test_fun_#in~i#1, test_fun_#in~j#1, test_fun_#in~k#1, test_fun_#in~tmp#1 := main_#t~nondet17#1, main_#t~nondet18#1, main_#t~nondet19#1, main_#t~nondet20#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset, test_fun_#t~malloc6#1.base, test_fun_#t~malloc6#1.offset, test_fun_#t~mem12#1, test_fun_#t~mem13#1, test_fun_#t~mem14#1, test_fun_#t~mem15#1, test_fun_#t~mem7#1, test_fun_#t~mem8#1, test_fun_#t~short9#1, test_fun_#t~mem10#1, test_fun_#t~short11#1, test_fun_#t~mem16#1, test_fun_~i#1, test_fun_~j#1, test_fun_~k#1, test_fun_~tmp#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, test_fun_~k_ref~0#1.base, test_fun_~k_ref~0#1.offset, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~i#1 := test_fun_#in~i#1;test_fun_~j#1 := test_fun_#in~j#1;test_fun_~k#1 := test_fun_#in~k#1;test_fun_~tmp#1 := test_fun_#in~tmp#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~k_ref~0#1.base, test_fun_~k_ref~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset := test_fun_#t~malloc5#1.base, test_fun_#t~malloc5#1.offset;call test_fun_#t~malloc6#1.base, test_fun_#t~malloc6#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc6#1.base, test_fun_#t~malloc6#1.offset;call write~int(test_fun_~i#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_~j#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(test_fun_~k#1, test_fun_~k_ref~0#1.base, test_fun_~k_ref~0#1.offset, 4);call write~int(test_fun_~tmp#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 367#L559-8 call test_fun_#t~mem7#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem7#1 <= 100; 363#L559-1 [2021-12-06 19:10:22,400 INFO L793 eck$LassoCheckResult]: Loop: 363#L559-1 assume !test_fun_#t~short9#1; 355#L559-3 test_fun_#t~short11#1 := test_fun_#t~short9#1; 356#L559-4 assume test_fun_#t~short11#1;call test_fun_#t~mem10#1 := read~int(test_fun_~k_ref~0#1.base, test_fun_~k_ref~0#1.offset, 4);test_fun_#t~short11#1 := test_fun_#t~mem10#1 > -2147483648; 359#L559-6 assume !!test_fun_#t~short11#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem8#1;havoc test_fun_#t~short9#1;havoc test_fun_#t~mem10#1;havoc test_fun_#t~short11#1;call test_fun_#t~mem12#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1, test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1;call test_fun_#t~mem13#1 := read~int(test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);call write~int(test_fun_#t~mem13#1, test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);havoc test_fun_#t~mem13#1;call test_fun_#t~mem14#1 := read~int(test_fun_~tmp_ref~0#1.base, test_fun_~tmp_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem14#1, test_fun_~j_ref~0#1.base, test_fun_~j_ref~0#1.offset, 4);havoc test_fun_#t~mem14#1;call test_fun_#t~mem15#1 := read~int(test_fun_~k_ref~0#1.base, test_fun_~k_ref~0#1.offset, 4);call write~int(test_fun_#t~mem15#1 - 1, test_fun_~k_ref~0#1.base, test_fun_~k_ref~0#1.offset, 4);havoc test_fun_#t~mem15#1; 360#L559-8 call test_fun_#t~mem7#1 := read~int(test_fun_~i_ref~0#1.base, test_fun_~i_ref~0#1.offset, 4);test_fun_#t~short9#1 := test_fun_#t~mem7#1 <= 100; 363#L559-1 [2021-12-06 19:10:22,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:10:22,401 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-12-06 19:10:22,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:10:22,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595648961] [2021-12-06 19:10:22,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:10:22,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:10:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:10:22,446 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:10:22,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:10:22,468 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:10:22,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:10:22,469 INFO L85 PathProgramCache]: Analyzing trace with hash 40145596, now seen corresponding path program 1 times [2021-12-06 19:10:22,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:10:22,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923609592] [2021-12-06 19:10:22,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:10:22,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:10:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:10:22,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 19:10:22,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:10:22,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923609592] [2021-12-06 19:10:22,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923609592] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:10:22,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:10:22,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 19:10:22,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92672335] [2021-12-06 19:10:22,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:10:22,506 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 19:10:22,506 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:10:22,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 19:10:22,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 19:10:22,509 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-12-06 19:10:22,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:10:22,531 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2021-12-06 19:10:22,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 19:10:22,532 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 17 transitions. [2021-12-06 19:10:22,532 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 19:10:22,532 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2021-12-06 19:10:22,532 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 19:10:22,532 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 19:10:22,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 19:10:22,533 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 19:10:22,533 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:10:22,533 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:10:22,533 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 19:10:22,533 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 19:10:22,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 19:10:22,533 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 19:10:22,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 19:10:22,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 07:10:22 BoogieIcfgContainer [2021-12-06 19:10:22,538 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 19:10:22,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:10:22,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:10:22,538 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:10:22,538 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:10:16" (3/4) ... [2021-12-06 19:10:22,540 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 19:10:22,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:10:22,541 INFO L158 Benchmark]: Toolchain (without parser) took 6498.33ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 79.9MB in the beginning and 55.6MB in the end (delta: 24.3MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2021-12-06 19:10:22,541 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:10:22,541 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.22ms. Allocated memory is still 121.6MB. Free memory was 79.7MB in the beginning and 87.7MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 19:10:22,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.80ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 86.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:10:22,542 INFO L158 Benchmark]: Boogie Preprocessor took 22.37ms. Allocated memory is still 121.6MB. Free memory was 86.1MB in the beginning and 84.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:10:22,543 INFO L158 Benchmark]: RCFGBuilder took 243.39ms. Allocated memory is still 121.6MB. Free memory was 84.6MB in the beginning and 71.5MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 19:10:22,543 INFO L158 Benchmark]: BuchiAutomizer took 5877.14ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 71.5MB in the beginning and 55.6MB in the end (delta: 15.9MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2021-12-06 19:10:22,543 INFO L158 Benchmark]: Witness Printer took 2.23ms. Allocated memory is still 146.8MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:10:22,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.22ms. Allocated memory is still 121.6MB. Free memory was 79.7MB in the beginning and 87.7MB in the end (delta: -8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.80ms. Allocated memory is still 121.6MB. Free memory was 87.7MB in the beginning and 86.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.37ms. Allocated memory is still 121.6MB. Free memory was 86.1MB in the beginning and 84.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 243.39ms. Allocated memory is still 121.6MB. Free memory was 84.6MB in the beginning and 71.5MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 5877.14ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 71.5MB in the beginning and 55.6MB in the end (delta: 15.9MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Witness Printer took 2.23ms. Allocated memory is still 146.8MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 201 + -2 * unknown-#memory_int-unknown[i_ref][i_ref] + -2 * unknown-#memory_int-unknown[j_ref][j_ref] + 2 * k and consists of 8 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 10 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital1023 mio100 ax101 hnf100 lsp97 ukn27 mio100 lsp35 div100 bol100 ite100 ukn100 eq198 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 19:10:22,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_25b251b4-d25c-4115-86ec-0fab12be5d92/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE