./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/atol.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/atol.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro --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 80ff54a4912af531f79cca5207b4c360e1baeaf50a022c04b6477033c5176da5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:48:29,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:48:29,195 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:48:29,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:48:29,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:48:29,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:48:29,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:48:29,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:48:29,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:48:29,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:48:29,246 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:48:29,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:48:29,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:48:29,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:48:29,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:48:29,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:48:29,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:48:29,260 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:48:29,262 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:48:29,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:48:29,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:48:29,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:48:29,278 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:48:29,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:48:29,288 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:48:29,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:48:29,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:48:29,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:48:29,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:48:29,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:48:29,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:48:29,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:48:29,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:48:29,298 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:48:29,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:48:29,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:48:29,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:48:29,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:48:29,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:48:29,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:48:29,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:48:29,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:48:29,343 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:48:29,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:48:29,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:48:29,345 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:48:29,346 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:48:29,346 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:48:29,347 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:48:29,347 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:48:29,347 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:48:29,347 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:48:29,348 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:48:29,349 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:48:29,349 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:48:29,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:48:29,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:48:29,350 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:48:29,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:48:29,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:48:29,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:48:29,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:48:29,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:48:29,351 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:48:29,351 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:48:29,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:48:29,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:48:29,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:48:29,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:48:29,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:48:29,355 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:48:29,355 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_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80ff54a4912af531f79cca5207b4c360e1baeaf50a022c04b6477033c5176da5 [2022-11-18 20:48:29,658 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:48:29,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:48:29,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:48:29,699 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:48:29,700 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:48:29,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-dietlibc/atol.i [2022-11-18 20:48:29,775 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/data/3cf9bfe06/2f9f9691f3af4844b205c7e4be1bc09f/FLAG80e2fa619 [2022-11-18 20:48:30,402 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:48:30,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/sv-benchmarks/c/termination-dietlibc/atol.i [2022-11-18 20:48:30,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/data/3cf9bfe06/2f9f9691f3af4844b205c7e4be1bc09f/FLAG80e2fa619 [2022-11-18 20:48:30,689 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/data/3cf9bfe06/2f9f9691f3af4844b205c7e4be1bc09f [2022-11-18 20:48:30,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:48:30,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:48:30,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:48:30,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:48:30,704 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:48:30,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:30" (1/1) ... [2022-11-18 20:48:30,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fb1a08c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:30, skipping insertion in model container [2022-11-18 20:48:30,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:30" (1/1) ... [2022-11-18 20:48:30,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:48:30,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:48:31,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:48:31,124 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:48:31,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:48:31,233 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:48:31,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:31 WrapperNode [2022-11-18 20:48:31,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:48:31,237 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:48:31,237 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:48:31,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:48:31,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:31" (1/1) ... [2022-11-18 20:48:31,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:31" (1/1) ... [2022-11-18 20:48:31,303 INFO L138 Inliner]: procedures = 113, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2022-11-18 20:48:31,304 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:48:31,305 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:48:31,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:48:31,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:48:31,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:31" (1/1) ... [2022-11-18 20:48:31,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:31" (1/1) ... [2022-11-18 20:48:31,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:31" (1/1) ... [2022-11-18 20:48:31,319 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:31" (1/1) ... [2022-11-18 20:48:31,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:31" (1/1) ... [2022-11-18 20:48:31,328 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:31" (1/1) ... [2022-11-18 20:48:31,329 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:31" (1/1) ... [2022-11-18 20:48:31,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:31" (1/1) ... [2022-11-18 20:48:31,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:48:31,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:48:31,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:48:31,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:48:31,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:31" (1/1) ... [2022-11-18 20:48:31,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:31,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:31,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:31,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:48:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:48:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:48:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:48:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:48:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:48:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:48:31,550 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:48:31,552 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:48:31,781 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:48:31,788 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:48:31,788 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-18 20:48:31,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:31 BoogieIcfgContainer [2022-11-18 20:48:31,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:48:31,792 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:48:31,792 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:48:31,811 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:48:31,812 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:48:31,812 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:48:30" (1/3) ... [2022-11-18 20:48:31,813 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@673b59ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:48:31, skipping insertion in model container [2022-11-18 20:48:31,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:48:31,813 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:31" (2/3) ... [2022-11-18 20:48:31,814 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@673b59ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:48:31, skipping insertion in model container [2022-11-18 20:48:31,814 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:48:31,814 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:31" (3/3) ... [2022-11-18 20:48:31,815 INFO L332 chiAutomizerObserver]: Analyzing ICFG atol.i [2022-11-18 20:48:31,904 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:48:31,904 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:48:31,905 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:48:31,905 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:48:31,905 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:48:31,905 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:48:31,905 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:48:31,906 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:48:31,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:31,938 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-18 20:48:31,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:48:31,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:48:31,946 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:48:31,946 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:48:31,947 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:48:31,947 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:31,950 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-18 20:48:31,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:48:31,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:48:31,951 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-18 20:48:31,951 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:48:31,959 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 20#L522true assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 17#L524-3true [2022-11-18 20:48:31,960 INFO L750 eck$LassoCheckResult]: Loop: 17#L524-3true assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet15#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 21#L524-2true main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 17#L524-3true [2022-11-18 20:48:31,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:31,966 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-18 20:48:31,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:31,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452176892] [2022-11-18 20:48:31,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:31,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:32,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:32,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:32,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:32,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2022-11-18 20:48:32,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:32,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132620671] [2022-11-18 20:48:32,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:32,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:32,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:32,228 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:32,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:32,230 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2022-11-18 20:48:32,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:32,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236219198] [2022-11-18 20:48:32,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:32,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:32,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:32,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:32,666 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:48:32,667 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:48:32,667 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:48:32,667 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:48:32,667 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:48:32,668 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:32,668 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:48:32,668 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:48:32,668 INFO L133 ssoRankerPreferences]: Filename of dumped script: atol.i_Iteration1_Lasso [2022-11-18 20:48:32,668 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:48:32,668 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:48:32,688 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:32,699 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:32,703 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:32,706 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:32,708 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:32,712 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:32,715 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:33,164 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:48:33,169 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:48:33,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:33,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:33,174 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:33,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:48:33,178 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 [2022-11-18 20:48:33,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:33,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:33,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:33,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:33,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:33,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:33,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:33,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:33,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:33,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:33,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:33,215 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:33,224 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 [2022-11-18 20:48:33,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:33,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:33,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:33,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:33,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:33,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:33,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:48:33,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:33,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:33,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:33,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:33,272 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:33,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:48:33,280 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 [2022-11-18 20:48:33,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:33,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:33,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:33,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:33,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:33,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:33,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:33,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:33,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:33,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:33,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:33,325 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:33,336 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 [2022-11-18 20:48:33,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:33,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:33,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:33,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:33,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:33,351 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:33,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:33,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:33,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-18 20:48:33,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:33,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:33,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:48:33,375 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:33,380 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 [2022-11-18 20:48:33,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:33,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:33,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:33,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:33,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:33,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:33,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:48:33,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:33,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:33,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:33,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:33,417 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:33,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:48:33,428 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 [2022-11-18 20:48:33,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:33,441 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:33,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:33,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:33,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:33,442 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:33,442 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:33,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:33,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-18 20:48:33,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:33,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:33,456 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:33,465 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 [2022-11-18 20:48:33,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:33,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:33,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:33,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:33,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:48:33,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:33,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:33,511 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:48:33,551 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-18 20:48:33,552 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-18 20:48:33,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:33,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:33,567 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:33,574 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:48:33,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:48:33,615 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-18 20:48:33,615 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:48:33,616 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1) = -1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~in~0#1.offset >= 0] [2022-11-18 20:48:33,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:33,640 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2022-11-18 20:48:33,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:33,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-18 20:48:33,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:33,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-18 20:48:33,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:33,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:33,809 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:48:33,811 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) 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) [2022-11-18 20:48:33,907 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.5) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) 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) Result 55 states and 78 transitions. Complement of second has 8 states. [2022-11-18 20:48:33,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:48:33,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) 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) [2022-11-18 20:48:33,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 51 transitions. [2022-11-18 20:48:33,917 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-18 20:48:33,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:33,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-18 20:48:33,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:33,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 51 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-18 20:48:33,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:33,920 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 78 transitions. [2022-11-18 20:48:33,923 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-18 20:48:33,927 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 17 states and 23 transitions. [2022-11-18 20:48:33,928 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-18 20:48:33,928 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-18 20:48:33,929 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2022-11-18 20:48:33,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:48:33,930 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-18 20:48:33,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2022-11-18 20:48:33,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-18 20:48:33,957 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) [2022-11-18 20:48:33,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2022-11-18 20:48:33,959 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-18 20:48:33,959 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-11-18 20:48:33,959 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:48:33,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2022-11-18 20:48:33,960 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-18 20:48:33,961 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:48:33,961 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:48:33,961 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:48:33,961 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:48:33,962 INFO L748 eck$LassoCheckResult]: Stem: 139#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 140#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 147#L522 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 152#L524-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 153#L524-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atol } true;atol_#in~s#1.base, atol_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atol_#res#1;havoc atol_#t~pre3#1.base, atol_#t~pre3#1.offset, atol_#t~mem2#1, atol_#t~mem4#1, atol_#t~switch5#1, atol_#t~pre6#1.base, atol_#t~pre6#1.offset, atol_#t~mem10#1, atol_#t~pre11#1.base, atol_#t~pre11#1.offset, atol_#t~mem7#1, atol_#t~mem8#1, atol_#t~short9#1, atol_~s#1.base, atol_~s#1.offset, atol_~v~0#1, atol_~sign~0#1;atol_~s#1.base, atol_~s#1.offset := atol_#in~s#1.base, atol_#in~s#1.offset;atol_~v~0#1 := 0;atol_~sign~0#1 := 0; 150#L510-3 [2022-11-18 20:48:33,962 INFO L750 eck$LassoCheckResult]: Loop: 150#L510-3 call atol_#t~mem2#1 := read~int(atol_~s#1.base, atol_~s#1.offset, 1); 151#L510-1 assume !!(32 == atol_#t~mem2#1);havoc atol_#t~mem2#1;atol_#t~pre3#1.base, atol_#t~pre3#1.offset := atol_~s#1.base, 1 + atol_~s#1.offset;atol_~s#1.base, atol_~s#1.offset := atol_~s#1.base, 1 + atol_~s#1.offset;havoc atol_#t~pre3#1.base, atol_#t~pre3#1.offset; 150#L510-3 [2022-11-18 20:48:33,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:33,963 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2022-11-18 20:48:33,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:33,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506653266] [2022-11-18 20:48:33,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:33,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:33,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-18 20:48:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:34,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:34,027 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:34,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:34,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 1 times [2022-11-18 20:48:34,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:34,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747942256] [2022-11-18 20:48:34,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:34,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:34,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:34,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:34,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:34,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1806941585, now seen corresponding path program 1 times [2022-11-18 20:48:34,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:34,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186602387] [2022-11-18 20:48:34,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:34,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:34,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:34,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:34,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186602387] [2022-11-18 20:48:34,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186602387] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:34,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:34,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 20:48:34,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467835451] [2022-11-18 20:48:34,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:34,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:34,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:48:34,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:48:34,447 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 9 Second operand has 6 states, 5 states have (on average 1.4) 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) [2022-11-18 20:48:34,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:34,552 INFO L93 Difference]: Finished difference Result 33 states and 43 transitions. [2022-11-18 20:48:34,552 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 43 transitions. [2022-11-18 20:48:34,558 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2022-11-18 20:48:34,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 43 transitions. [2022-11-18 20:48:34,559 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2022-11-18 20:48:34,559 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2022-11-18 20:48:34,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 43 transitions. [2022-11-18 20:48:34,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:48:34,560 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 43 transitions. [2022-11-18 20:48:34,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 43 transitions. [2022-11-18 20:48:34,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 20. [2022-11-18 20:48:34,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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) [2022-11-18 20:48:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-11-18 20:48:34,563 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-18 20:48:34,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:48:34,567 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-18 20:48:34,567 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:48:34,567 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2022-11-18 20:48:34,569 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-18 20:48:34,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:48:34,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:48:34,569 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:34,570 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:48:34,570 INFO L748 eck$LassoCheckResult]: Stem: 204#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 205#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet12#1, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~nondet15#1, main_#t~post14#1, main_~i~0#1, main_#t~ret16#1, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset;main_~in_len~0#1 := main_#t~nondet12#1;havoc main_#t~nondet12#1; 212#L522 assume !(main_~in_len~0#1 < 1);call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1 % 18446744073709551616);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;main_~i~0#1 := 0; 218#L524-3 assume !!(main_~i~0#1 < main_~in_len~0#1 - 1);call write~int(main_#t~nondet15#1, main_~in~0#1.base, main_~in~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet15#1; 220#L524-2 main_#t~post14#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1; 221#L524-3 assume !(main_~i~0#1 < main_~in_len~0#1 - 1); 222#L524-4 call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);assume { :begin_inline_atol } true;atol_#in~s#1.base, atol_#in~s#1.offset := main_~in~0#1.base, main_~in~0#1.offset;havoc atol_#res#1;havoc atol_#t~pre3#1.base, atol_#t~pre3#1.offset, atol_#t~mem2#1, atol_#t~mem4#1, atol_#t~switch5#1, atol_#t~pre6#1.base, atol_#t~pre6#1.offset, atol_#t~mem10#1, atol_#t~pre11#1.base, atol_#t~pre11#1.offset, atol_#t~mem7#1, atol_#t~mem8#1, atol_#t~short9#1, atol_~s#1.base, atol_~s#1.offset, atol_~v~0#1, atol_~sign~0#1;atol_~s#1.base, atol_~s#1.offset := atol_#in~s#1.base, atol_#in~s#1.offset;atol_~v~0#1 := 0;atol_~sign~0#1 := 0; 215#L510-3 [2022-11-18 20:48:34,570 INFO L750 eck$LassoCheckResult]: Loop: 215#L510-3 call atol_#t~mem2#1 := read~int(atol_~s#1.base, atol_~s#1.offset, 1); 216#L510-1 assume !!(32 == atol_#t~mem2#1);havoc atol_#t~mem2#1;atol_#t~pre3#1.base, atol_#t~pre3#1.offset := atol_~s#1.base, 1 + atol_~s#1.offset;atol_~s#1.base, atol_~s#1.offset := atol_~s#1.base, 1 + atol_~s#1.offset;havoc atol_#t~pre3#1.base, atol_#t~pre3#1.offset; 215#L510-3 [2022-11-18 20:48:34,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:34,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2022-11-18 20:48:34,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:34,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433650873] [2022-11-18 20:48:34,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:34,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:34,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:34,588 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:34,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:34,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:34,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1798, now seen corresponding path program 2 times [2022-11-18 20:48:34,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:34,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223213734] [2022-11-18 20:48:34,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:34,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:34,605 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:34,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:34,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:34,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1357243763, now seen corresponding path program 1 times [2022-11-18 20:48:34,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:34,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27478956] [2022-11-18 20:48:34,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:34,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:34,626 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:34,639 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:35,108 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:48:35,108 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:48:35,109 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:48:35,109 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:48:35,109 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:48:35,109 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:35,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:48:35,109 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:48:35,109 INFO L133 ssoRankerPreferences]: Filename of dumped script: atol.i_Iteration3_Lasso [2022-11-18 20:48:35,110 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:48:35,110 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:48:35,113 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,120 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,123 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,129 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,132 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,136 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,139 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,142 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,145 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,150 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,153 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,156 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,160 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,163 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,477 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,483 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,485 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,488 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,498 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,501 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:35,940 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:48:35,941 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:48:35,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:35,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:35,944 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:35,952 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 [2022-11-18 20:48:35,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:48:35,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:35,965 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:35,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:35,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:35,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:35,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:35,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:35,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:35,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:35,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:35,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:35,991 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:35,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:48:36,000 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 [2022-11-18 20:48:36,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:36,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:36,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:36,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:36,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:36,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:36,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:36,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:36,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:36,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:36,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:36,020 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:36,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:48:36,028 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 [2022-11-18 20:48:36,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:36,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:36,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:36,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:36,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:36,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:36,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:36,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:36,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:36,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:36,061 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:36,072 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 [2022-11-18 20:48:36,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:36,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:36,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:36,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:36,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:36,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:36,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:36,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:48:36,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:36,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:36,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:36,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:36,108 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:36,120 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 [2022-11-18 20:48:36,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:36,133 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:36,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:36,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:36,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:36,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:36,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:36,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:48:36,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:36,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:36,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:36,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:36,157 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:36,160 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 [2022-11-18 20:48:36,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:36,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:36,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:36,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:36,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:36,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:36,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:36,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:48:36,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:36,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:36,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:36,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:36,205 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:36,209 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 [2022-11-18 20:48:36,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:36,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:36,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:36,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:36,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:36,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:36,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:36,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:48:36,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:36,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:36,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:36,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:36,244 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:36,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:36,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:36,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:36,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:36,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:36,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:36,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:36,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:36,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:48:36,271 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:36,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:36,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:36,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:36,281 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:36,294 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 [2022-11-18 20:48:36,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:36,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:36,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:36,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:36,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:36,307 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:36,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:36,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:48:36,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:36,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:36,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:36,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:36,330 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:36,339 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 [2022-11-18 20:48:36,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:36,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:36,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:36,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:36,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 20:48:36,353 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:36,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:36,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:36,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:36,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:36,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:36,389 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:36,403 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 [2022-11-18 20:48:36,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:36,415 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:36,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:36,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:36,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:36,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:36,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:36,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 20:48:36,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:36,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:36,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:36,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:36,444 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:36,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 20:48:36,459 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 [2022-11-18 20:48:36,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:36,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:36,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:36,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:36,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:36,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:36,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:36,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:36,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:36,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:36,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:36,509 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:36,513 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 [2022-11-18 20:48:36,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:36,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:36,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:36,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:36,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:36,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:36,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:48:36,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:36,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:36,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:36,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:36,555 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:36,559 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 [2022-11-18 20:48:36,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:36,572 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:36,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:36,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:36,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:36,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:36,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:36,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 20:48:36,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:36,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:36,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:36,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:36,594 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:36,598 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 [2022-11-18 20:48:36,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:36,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:36,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:36,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:36,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 20:48:36,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:36,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:36,643 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:48:36,676 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-18 20:48:36,676 INFO L444 ModelExtractionUtils]: 16 out of 28 variables were initially zero. Simplification set additionally 9 variables to zero. [2022-11-18 20:48:36,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:36,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:36,678 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:36,684 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:48:36,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 20:48:36,706 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:48:36,706 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:48:36,706 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2, ULTIMATE.start_atol_~s#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_2 - 1*ULTIMATE.start_atol_~s#1.offset Supporting invariants [] [2022-11-18 20:48:36,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:36,728 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2022-11-18 20:48:36,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:36,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:36,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:48:36,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:36,828 WARN L261 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:48:36,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:36,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:36,851 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-18 20:48:36,852 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:36,916 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 49 transitions. Complement of second has 7 states. [2022-11-18 20:48:36,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:48:36,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:36,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2022-11-18 20:48:36,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-18 20:48:36,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:36,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-18 20:48:36,918 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:36,918 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-18 20:48:36,919 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:36,919 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 49 transitions. [2022-11-18 20:48:36,920 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:48:36,920 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 0 states and 0 transitions. [2022-11-18 20:48:36,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:48:36,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:48:36,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:48:36,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:48:36,921 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:48:36,921 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:48:36,921 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:48:36,921 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:48:36,921 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:48:36,922 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:48:36,922 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:48:36,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:48:36 BoogieIcfgContainer [2022-11-18 20:48:36,929 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:48:36,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:48:36,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:48:36,930 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:48:36,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:31" (3/4) ... [2022-11-18 20:48:36,933 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:48:36,934 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:48:36,934 INFO L158 Benchmark]: Toolchain (without parser) took 6240.34ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 92.2MB in the beginning and 109.4MB in the end (delta: -17.2MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-11-18 20:48:36,935 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory was 109.3MB in the beginning and 109.2MB in the end (delta: 78.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:48:36,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.92ms. Allocated memory is still 127.9MB. Free memory was 92.0MB in the beginning and 97.7MB in the end (delta: -5.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:48:36,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.08ms. Allocated memory is still 127.9MB. Free memory was 97.3MB in the beginning and 95.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:48:36,936 INFO L158 Benchmark]: Boogie Preprocessor took 32.81ms. Allocated memory is still 127.9MB. Free memory was 95.7MB in the beginning and 94.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:48:36,937 INFO L158 Benchmark]: RCFGBuilder took 451.66ms. Allocated memory is still 127.9MB. Free memory was 94.0MB in the beginning and 81.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 20:48:36,937 INFO L158 Benchmark]: BuchiAutomizer took 5137.63ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 81.9MB in the beginning and 110.5MB in the end (delta: -28.6MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2022-11-18 20:48:36,937 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 161.5MB. Free memory was 110.5MB in the beginning and 109.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:48:36,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory was 109.3MB in the beginning and 109.2MB in the end (delta: 78.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.92ms. Allocated memory is still 127.9MB. Free memory was 92.0MB in the beginning and 97.7MB in the end (delta: -5.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.08ms. Allocated memory is still 127.9MB. Free memory was 97.3MB in the beginning and 95.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.81ms. Allocated memory is still 127.9MB. Free memory was 95.7MB in the beginning and 94.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.66ms. Allocated memory is still 127.9MB. Free memory was 94.0MB in the beginning and 81.9MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5137.63ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 81.9MB in the beginning and 110.5MB in the end (delta: -28.6MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 161.5MB. Free memory was 110.5MB in the beginning and 109.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (in_len)] + -1 * s and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 13 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 80 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 80 mSDsluCounter, 131 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 86 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 45 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital111 mio100 ax100 hnf100 lsp92 ukn91 mio100 lsp54 div174 bol100 ite100 ukn100 eq159 hnf92 smp74 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 20:48:36,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:37,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d2de09-5291-49ae-bce8-2afa877e7db5/bin/uautomizer-TMbwUNV5ro/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