./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/aaron3-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/aaron3-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8 --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 ea9406930e45e60de12baf697b969fb5af8dbe89b8e2edfb7dfc533c91e7fcaa --- 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-2329fc7 [2022-12-13 12:54:47,161 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:54:47,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:54:47,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:54:47,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:54:47,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:54:47,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:54:47,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:54:47,187 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:54:47,188 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:54:47,189 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:54:47,190 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:54:47,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:54:47,191 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:54:47,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:54:47,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:54:47,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:54:47,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:54:47,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:54:47,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:54:47,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:54:47,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:54:47,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:54:47,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:54:47,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:54:47,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:54:47,207 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:54:47,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:54:47,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:54:47,209 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:54:47,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:54:47,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:54:47,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:54:47,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:54:47,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:54:47,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:54:47,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:54:47,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:54:47,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:54:47,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:54:47,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:54:47,216 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 12:54:47,237 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:54:47,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:54:47,237 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:54:47,238 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:54:47,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:54:47,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:54:47,239 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:54:47,239 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 12:54:47,240 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 12:54:47,240 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 12:54:47,240 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 12:54:47,240 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 12:54:47,240 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 12:54:47,240 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:54:47,241 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:54:47,241 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:54:47,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:54:47,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 12:54:47,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 12:54:47,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 12:54:47,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:54:47,242 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 12:54:47,242 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:54:47,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 12:54:47,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:54:47,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:54:47,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:54:47,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:54:47,244 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 12:54:47,244 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_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea9406930e45e60de12baf697b969fb5af8dbe89b8e2edfb7dfc533c91e7fcaa [2022-12-13 12:54:47,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:54:47,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:54:47,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:54:47,443 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:54:47,443 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:54:47,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-crafted/aaron3-1.c [2022-12-13 12:54:49,973 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:54:50,087 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:54:50,087 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/sv-benchmarks/c/termination-crafted/aaron3-1.c [2022-12-13 12:54:50,092 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/data/3a5695317/4e03cfb8d4df48d59a573a66c8a08547/FLAG245ac5ef3 [2022-12-13 12:54:50,103 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/data/3a5695317/4e03cfb8d4df48d59a573a66c8a08547 [2022-12-13 12:54:50,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:54:50,106 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:54:50,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:54:50,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:54:50,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:54:50,110 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:54:50" (1/1) ... [2022-12-13 12:54:50,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@120ac729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:50, skipping insertion in model container [2022-12-13 12:54:50,111 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:54:50" (1/1) ... [2022-12-13 12:54:50,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:54:50,126 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:54:50,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:54:50,244 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:54:50,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:54:50,266 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:54:50,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:50 WrapperNode [2022-12-13 12:54:50,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:54:50,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:54:50,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:54:50,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:54:50,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:50" (1/1) ... [2022-12-13 12:54:50,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:50" (1/1) ... [2022-12-13 12:54:50,292 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-12-13 12:54:50,292 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:54:50,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:54:50,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:54:50,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:54:50,299 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:50" (1/1) ... [2022-12-13 12:54:50,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:50" (1/1) ... [2022-12-13 12:54:50,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:50" (1/1) ... [2022-12-13 12:54:50,301 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:50" (1/1) ... [2022-12-13 12:54:50,302 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:50" (1/1) ... [2022-12-13 12:54:50,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:50" (1/1) ... [2022-12-13 12:54:50,307 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:50" (1/1) ... [2022-12-13 12:54:50,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:50" (1/1) ... [2022-12-13 12:54:50,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:54:50,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:54:50,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:54:50,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:54:50,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:50" (1/1) ... [2022-12-13 12:54:50,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:50,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:50,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:50,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 12:54:50,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:54:50,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:54:50,434 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:54:50,435 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:54:50,506 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:54:50,512 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:54:50,512 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 12:54:50,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:54:50 BoogieIcfgContainer [2022-12-13 12:54:50,514 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:54:50,515 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 12:54:50,515 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 12:54:50,519 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 12:54:50,520 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:54:50,520 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 12:54:50" (1/3) ... [2022-12-13 12:54:50,521 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@286cbd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:54:50, skipping insertion in model container [2022-12-13 12:54:50,521 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:54:50,521 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:50" (2/3) ... [2022-12-13 12:54:50,522 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@286cbd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:54:50, skipping insertion in model container [2022-12-13 12:54:50,522 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:54:50,522 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:54:50" (3/3) ... [2022-12-13 12:54:50,523 INFO L332 chiAutomizerObserver]: Analyzing ICFG aaron3-1.c [2022-12-13 12:54:50,579 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 12:54:50,579 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 12:54:50,579 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 12:54:50,580 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 12:54:50,580 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 12:54:50,580 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 12:54:50,580 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 12:54:50,580 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 12:54:50,585 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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) [2022-12-13 12:54:50,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 12:54:50,603 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:54:50,603 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:54:50,608 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:54:50,608 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 12:54:50,609 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 12:54:50,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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) [2022-12-13 12:54:50,610 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 12:54:50,610 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:54:50,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:54:50,611 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-12-13 12:54:50,611 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 12:54:50,619 INFO L748 eck$LassoCheckResult]: Stem: 11#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~tx~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~tx~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~tx~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 8#L22true assume !!(-1073741823 <= main_~tx~0#1 && main_~tx~0#1 <= 1073741823); 12#L23true assume !!(-1073741823 <= main_~z~0#1 && main_~z~0#1 <= 1073741823); 13#L24true assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 4#L25true assume !!(main_~y~0#1 <= 1073741823); 7#L27-2true [2022-12-13 12:54:50,619 INFO L750 eck$LassoCheckResult]: Loop: 7#L27-2true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1); 3#L27true assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~y~0#1 := 1 + main_~y~0#1; 7#L27-2true [2022-12-13 12:54:50,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:50,625 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2022-12-13 12:54:50,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:50,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441121304] [2022-12-13 12:54:50,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:50,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:50,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:54:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:50,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:54:50,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:50,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1963, now seen corresponding path program 1 times [2022-12-13 12:54:50,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:50,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072527693] [2022-12-13 12:54:50,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:50,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:50,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:50,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:54:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:50,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:54:50,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:50,747 INFO L85 PathProgramCache]: Analyzing trace with hash 179567799, now seen corresponding path program 1 times [2022-12-13 12:54:50,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:50,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626984382] [2022-12-13 12:54:50,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:50,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:50,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:54:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:50,766 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:54:50,833 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:54:50,834 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:54:50,834 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:54:50,834 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:54:50,834 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 12:54:50,834 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:50,834 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:54:50,834 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:54:50,835 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration1_Loop [2022-12-13 12:54:50,835 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:54:50,835 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:54:50,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:50,866 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:50,869 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:50,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:50,944 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:54:50,945 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 12:54:50,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:50,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:50,948 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:50,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 12:54:50,951 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:54:50,951 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:50,977 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:54:50,977 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 12:54:50,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:54:50,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:50,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:50,983 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:50,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 12:54:50,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:54:50,985 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:51,003 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:54:51,003 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 12:54:51,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 12:54:51,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,007 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 12:54:51,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:54:51,020 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:51,033 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:54:51,034 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 12:54:51,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 12:54:51,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,038 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 12:54:51,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:54:51,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:51,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 12:54:51,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,056 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 12:54:51,058 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 12:54:51,058 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:51,269 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 12:54:51,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 12:54:51,273 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:54:51,273 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:54:51,273 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:54:51,273 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:54:51,274 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 12:54:51,274 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,274 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:54:51,274 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:54:51,274 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration1_Loop [2022-12-13 12:54:51,274 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:54:51,274 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:54:51,276 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:51,279 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:51,282 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:51,285 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:51,325 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:54:51,328 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 12:54:51,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,330 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 12:54:51,333 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 [2022-12-13 12:54:51,343 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:54:51,343 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:54:51,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:54:51,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:54:51,347 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 12:54:51,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 12:54:51,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:54:51,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 12:54:51,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,356 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 12:54:51,358 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 [2022-12-13 12:54:51,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:54:51,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:54:51,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:54:51,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:54:51,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 12:54:51,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 12:54:51,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:54:51,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 12:54:51,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,380 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 12:54:51,382 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 [2022-12-13 12:54:51,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:54:51,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:54:51,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:54:51,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:54:51,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:54:51,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:54:51,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:54:51,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:54:51,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-12-13 12:54:51,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,400 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 12:54:51,402 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 [2022-12-13 12:54:51,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:54:51,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:54:51,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:54:51,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:54:51,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:54:51,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:54:51,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:54:51,417 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 12:54:51,420 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 12:54:51,420 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 12:54:51,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,457 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 12:54:51,459 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 12:54:51,459 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 12:54:51,459 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 12:54:51,459 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 2*ULTIMATE.start_main_~x~0#1 - 2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2022-12-13 12:54:51,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-12-13 12:54:51,466 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 12:54:51,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:51,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:51,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:54:51,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:54:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:51,514 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:54:51,515 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:54:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:54:51,556 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 [2022-12-13 12:54:51,557 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-13 12:54:51,590 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 32 states and 43 transitions. Complement of second has 8 states. [2022-12-13 12:54:51,592 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 [2022-12-13 12:54:51,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-12-13 12:54:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2022-12-13 12:54:51,596 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 6 letters. Loop has 2 letters. [2022-12-13 12:54:51,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:54:51,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2022-12-13 12:54:51,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:54:51,597 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 6 letters. Loop has 4 letters. [2022-12-13 12:54:51,597 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:54:51,598 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 43 transitions. [2022-12-13 12:54:51,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 12:54:51,602 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 13 states and 16 transitions. [2022-12-13 12:54:51,602 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-12-13 12:54:51,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-12-13 12:54:51,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2022-12-13 12:54:51,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 12:54:51,603 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-12-13 12:54:51,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2022-12-13 12:54:51,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-12-13 12:54:51,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 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) [2022-12-13 12:54:51,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-12-13 12:54:51,621 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-12-13 12:54:51,621 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-12-13 12:54:51,621 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 12:54:51,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2022-12-13 12:54:51,621 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-12-13 12:54:51,621 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:54:51,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:54:51,622 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:54:51,622 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-12-13 12:54:51,622 INFO L748 eck$LassoCheckResult]: Stem: 104#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 105#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~tx~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~tx~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~tx~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 96#L22 assume !!(-1073741823 <= main_~tx~0#1 && main_~tx~0#1 <= 1073741823); 97#L23 assume !!(-1073741823 <= main_~z~0#1 && main_~z~0#1 <= 1073741823); 106#L24 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 102#L25 assume !!(main_~y~0#1 <= 1073741823); 103#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1); 98#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 99#L31 [2022-12-13 12:54:51,622 INFO L750 eck$LassoCheckResult]: Loop: 99#L31 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 107#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1); 108#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 99#L31 [2022-12-13 12:54:51,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:51,622 INFO L85 PathProgramCache]: Analyzing trace with hash 179567792, now seen corresponding path program 1 times [2022-12-13 12:54:51,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:51,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239439146] [2022-12-13 12:54:51,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:51,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:51,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:54:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:51,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:54:51,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:51,633 INFO L85 PathProgramCache]: Analyzing trace with hash 68265, now seen corresponding path program 1 times [2022-12-13 12:54:51,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:51,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076167637] [2022-12-13 12:54:51,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:51,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:51,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:54:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:51,641 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:54:51,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:51,642 INFO L85 PathProgramCache]: Analyzing trace with hash -2025120870, now seen corresponding path program 1 times [2022-12-13 12:54:51,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:51,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418477425] [2022-12-13 12:54:51,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:51,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:51,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:54:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:51,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:54:51,697 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:54:51,697 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:54:51,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:54:51,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:54:51,697 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 12:54:51,698 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,698 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:54:51,698 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:54:51,698 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration2_Loop [2022-12-13 12:54:51,698 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:54:51,698 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:54:51,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:51,702 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:51,705 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:51,717 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:51,770 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:54:51,770 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 12:54:51,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,771 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 12:54:51,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:54:51,773 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:51,791 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:54:51,791 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 12:54:51,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 12:54:51,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,796 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 12:54:51,798 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:54:51,798 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:51,815 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:54:51,816 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 12:54:51,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 12:54:51,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,820 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 12:54:51,822 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:54:51,822 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:51,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 12:54:51,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,839 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 12:54:51,841 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 12:54:51,841 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:51,865 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 12:54:51,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 12:54:51,868 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:54:51,868 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:54:51,868 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:54:51,868 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:54:51,868 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 12:54:51,868 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,868 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:54:51,869 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:54:51,869 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration2_Loop [2022-12-13 12:54:51,869 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:54:51,869 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:54:51,870 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:51,873 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:51,883 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:51,885 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:51,930 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:54:51,931 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 12:54:51,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,932 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 12:54:51,934 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 [2022-12-13 12:54:51,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:54:51,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:54:51,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:54:51,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:54:51,946 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 12:54:51,946 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 12:54:51,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:54:51,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 12:54:51,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,954 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 12:54:51,956 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 [2022-12-13 12:54:51,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:54:51,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:54:51,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:54:51,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:54:51,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:54:51,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:54:51,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:54:51,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:54:51,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 12:54:51,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,975 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 12:54:51,977 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 [2022-12-13 12:54:51,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:54:51,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:54:51,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:54:51,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:54:51,990 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 12:54:51,990 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 12:54:51,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:54:51,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-12-13 12:54:51,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:51,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:51,997 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:51,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 12:54:51,999 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 [2022-12-13 12:54:52,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:54:52,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:54:52,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:54:52,009 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 12:54:52,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:54:52,010 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-12-13 12:54:52,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:54:52,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:54:52,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2022-12-13 12:54:52,015 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-12-13 12:54:52,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:52,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:52,017 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:52,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 12:54:52,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 12:54:52,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:54:52,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:54:52,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:54:52,029 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 12:54:52,032 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-12-13 12:54:52,032 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-12-13 12:54:52,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:54:52,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 12:54:52,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:52,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:52,041 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:52,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 12:54:52,043 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 [2022-12-13 12:54:52,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:54:52,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:54:52,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:54:52,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:54:52,054 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-12-13 12:54:52,056 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-12-13 12:54:52,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:54:52,061 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 12:54:52,068 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-12-13 12:54:52,069 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-12-13 12:54:52,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:52,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:52,070 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:52,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 12:54:52,072 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 12:54:52,072 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 12:54:52,072 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 12:54:52,073 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*ULTIMATE.start_main_~z~0#1 f1 = 2*ULTIMATE.start_main_~z~0#1 + 2*ULTIMATE.start_main_~tx~0#1 + 2147483647 Supporting invariants [] [2022-12-13 12:54:52,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 12:54:52,078 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 12:54:52,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-12-13 12:54:52,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 12:54:52,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:52,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:54:52,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:54:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:52,122 WARN L261 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 7 conjunts are in the unsatisfiable core [2022-12-13 12:54:52,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:54:52,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:54:52,277 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-12-13 12:54:52,277 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-13 12:54:52,359 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 18 states and 23 transitions. Complement of second has 6 states. [2022-12-13 12:54:52,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-12-13 12:54:52,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-13 12:54:52,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-12-13 12:54:52,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 3 letters. [2022-12-13 12:54:52,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:54:52,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 3 letters. [2022-12-13 12:54:52,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:54:52,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 6 letters. [2022-12-13 12:54:52,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:54:52,361 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-12-13 12:54:52,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 12:54:52,362 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2022-12-13 12:54:52,362 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-12-13 12:54:52,362 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-12-13 12:54:52,362 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2022-12-13 12:54:52,362 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 12:54:52,362 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2022-12-13 12:54:52,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2022-12-13 12:54:52,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-12-13 12:54:52,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 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) [2022-12-13 12:54:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2022-12-13 12:54:52,363 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-12-13 12:54:52,363 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-12-13 12:54:52,363 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 12:54:52,364 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2022-12-13 12:54:52,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 12:54:52,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:54:52,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:54:52,364 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:54:52,364 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 12:54:52,364 INFO L748 eck$LassoCheckResult]: Stem: 196#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 197#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~tx~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~tx~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~tx~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 187#L22 assume !!(-1073741823 <= main_~tx~0#1 && main_~tx~0#1 <= 1073741823); 188#L23 assume !!(-1073741823 <= main_~z~0#1 && main_~z~0#1 <= 1073741823); 195#L24 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 193#L25 assume !!(main_~y~0#1 <= 1073741823); 194#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1); 201#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 198#L31 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 190#L27-2 [2022-12-13 12:54:52,364 INFO L750 eck$LassoCheckResult]: Loop: 190#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1); 189#L27 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~y~0#1 := 1 + main_~y~0#1; 190#L27-2 [2022-12-13 12:54:52,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:52,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1271634295, now seen corresponding path program 2 times [2022-12-13 12:54:52,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:52,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930442247] [2022-12-13 12:54:52,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:52,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:52,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:52,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:54:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:52,376 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:54:52,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:52,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1963, now seen corresponding path program 2 times [2022-12-13 12:54:52,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:52,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57980973] [2022-12-13 12:54:52,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:52,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:52,379 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:54:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:52,381 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:54:52,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:52,382 INFO L85 PathProgramCache]: Analyzing trace with hash -2025120863, now seen corresponding path program 1 times [2022-12-13 12:54:52,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:52,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135481637] [2022-12-13 12:54:52,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:52,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:52,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:52,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:54:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:52,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:54:52,411 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:54:52,412 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:54:52,412 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:54:52,412 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:54:52,412 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 12:54:52,412 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:52,412 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:54:52,412 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:54:52,412 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration3_Loop [2022-12-13 12:54:52,412 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:54:52,412 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:54:52,413 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:52,419 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:52,421 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:52,423 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:52,455 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:54:52,456 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 12:54:52,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:52,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:52,457 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:52,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 12:54:52,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:54:52,459 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:52,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-12-13 12:54:52,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:52,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:52,474 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:52,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 12:54:52,477 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 12:54:52,477 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:52,686 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 12:54:52,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-12-13 12:54:52,689 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:54:52,689 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:54:52,689 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:54:52,689 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:54:52,689 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 12:54:52,689 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:52,689 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:54:52,689 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:54:52,689 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration3_Loop [2022-12-13 12:54:52,689 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:54:52,689 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:54:52,690 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:52,695 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:52,696 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:52,698 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:52,719 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:54:52,720 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 12:54:52,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:52,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:52,721 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:52,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 12:54:52,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 12:54:52,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:54:52,733 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:54:52,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:54:52,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:54:52,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:54:52,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:54:52,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:54:52,737 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 12:54:52,739 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 12:54:52,739 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 12:54:52,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:52,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:52,740 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:52,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 12:54:52,742 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 12:54:52,742 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 12:54:52,742 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 12:54:52,743 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 2*ULTIMATE.start_main_~x~0#1 - 2*ULTIMATE.start_main_~y~0#1 + 1 Supporting invariants [] [2022-12-13 12:54:52,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-12-13 12:54:52,746 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 12:54:52,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:52,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:54:52,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:54:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:52,773 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:54:52,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:54:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:54:52,785 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 [2022-12-13 12:54:52,786 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-12-13 12:54:52,797 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 23 states and 30 transitions. Complement of second has 5 states. [2022-12-13 12:54:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 12:54:52,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-12-13 12:54:52,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2022-12-13 12:54:52,798 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2022-12-13 12:54:52,798 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:54:52,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 11 letters. Loop has 2 letters. [2022-12-13 12:54:52,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:54:52,799 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 4 letters. [2022-12-13 12:54:52,799 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:54:52,799 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2022-12-13 12:54:52,800 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 12:54:52,800 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 19 states and 24 transitions. [2022-12-13 12:54:52,800 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-12-13 12:54:52,801 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-12-13 12:54:52,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2022-12-13 12:54:52,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 12:54:52,801 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-12-13 12:54:52,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2022-12-13 12:54:52,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2022-12-13 12:54:52,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 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) [2022-12-13 12:54:52,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2022-12-13 12:54:52,803 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-12-13 12:54:52,803 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2022-12-13 12:54:52,803 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 12:54:52,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2022-12-13 12:54:52,803 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 12:54:52,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:54:52,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:54:52,804 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-13 12:54:52,804 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 12:54:52,804 INFO L748 eck$LassoCheckResult]: Stem: 287#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 288#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~nondet4#1, main_#t~nondet5#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~tx~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~tx~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~tx~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 279#L22 assume !!(-1073741823 <= main_~tx~0#1 && main_~tx~0#1 <= 1073741823); 280#L23 assume !!(-1073741823 <= main_~z~0#1 && main_~z~0#1 <= 1073741823); 289#L24 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 285#L25 assume !!(main_~y~0#1 <= 1073741823); 286#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1); 295#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 290#L31 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 284#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1); 294#L27 assume 0 != main_#t~nondet4#1;havoc main_#t~nondet4#1;main_~z~0#1 := main_~z~0#1 - 1;main_~tx~0#1 := main_~x~0#1;main_~x~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 291#L31 assume !!(-1073741823 <= main_~x~0#1 && main_~x~0#1 <= 1073741823); 282#L27-2 [2022-12-13 12:54:52,804 INFO L750 eck$LassoCheckResult]: Loop: 282#L27-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~x~0#1 <= main_~tx~0#1 + main_~z~0#1); 281#L27 assume !(0 != main_#t~nondet4#1);havoc main_#t~nondet4#1;main_~y~0#1 := 1 + main_~y~0#1; 282#L27-2 [2022-12-13 12:54:52,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:52,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1645762509, now seen corresponding path program 3 times [2022-12-13 12:54:52,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:52,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951149576] [2022-12-13 12:54:52,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:52,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:52,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:52,814 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:54:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:52,821 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:54:52,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:52,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1963, now seen corresponding path program 3 times [2022-12-13 12:54:52,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:52,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978107709] [2022-12-13 12:54:52,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:52,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:52,826 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:54:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:52,829 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:54:52,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:52,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1029807223, now seen corresponding path program 2 times [2022-12-13 12:54:52,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:52,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764633454] [2022-12-13 12:54:52,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:52,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:52,840 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:54:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:54:52,848 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:54:52,865 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:54:52,865 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:54:52,865 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:54:52,865 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:54:52,866 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 12:54:52,866 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:52,866 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:54:52,866 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:54:52,866 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration4_Loop [2022-12-13 12:54:52,866 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:54:52,866 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:54:52,867 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:52,869 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:52,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:52,876 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:52,904 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:54:52,904 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 12:54:52,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:52,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:52,905 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:52,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 12:54:52,906 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:54:52,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:52,924 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:54:52,924 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_7=1} Honda state: {v_rep~unnamed0~0~true_7=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 12:54:52,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-12-13 12:54:52,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:52,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:52,927 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:52,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-12-13 12:54:52,930 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:54:52,930 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:52,941 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:54:52,941 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4#1=0} Honda state: {ULTIMATE.start_main_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 12:54:52,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-12-13 12:54:52,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:52,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:52,944 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:52,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-12-13 12:54:52,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:54:52,946 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:52,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-12-13 12:54:52,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:52,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:52,961 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:52,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 12:54:52,963 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 12:54:52,963 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:54:53,167 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 12:54:53,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-12-13 12:54:53,170 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:54:53,170 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:54:53,170 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:54:53,171 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:54:53,171 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 12:54:53,171 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:53,171 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:54:53,171 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:54:53,171 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron3-1.c_Iteration4_Loop [2022-12-13 12:54:53,171 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:54:53,171 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:54:53,171 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:53,174 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:53,178 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:53,180 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:54:53,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-12-13 12:54:53,209 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:54:53,210 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 12:54:53,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:53,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:53,211 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:53,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-12-13 12:54:53,212 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 [2022-12-13 12:54:53,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:54:53,222 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:54:53,222 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:54:53,222 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:54:53,222 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:54:53,223 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:54:53,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:54:53,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:54:53,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-12-13 12:54:53,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:53,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:53,227 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:53,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-12-13 12:54:53,229 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 [2022-12-13 12:54:53,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:54:53,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:54:53,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:54:53,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:54:53,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:54:53,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:54:53,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:54:53,242 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 12:54:53,244 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 12:54:53,244 INFO L444 ModelExtractionUtils]: 2 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 12:54:53,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:54:53,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:53,245 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:53,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-12-13 12:54:53,247 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 12:54:53,247 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 12:54:53,247 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 12:54:53,247 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = -2*ULTIMATE.start_main_~y~0#1 + 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2022-12-13 12:54:53,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-12-13 12:54:53,250 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 12:54:53,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:53,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:53,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:54:53,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:54:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:53,276 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:54:53,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:54:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:54:53,286 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 [2022-12-13 12:54:53,286 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-13 12:54:53,296 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 21 states and 26 transitions. Complement of second has 5 states. [2022-12-13 12:54:53,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 12:54:53,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-13 12:54:53,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2022-12-13 12:54:53,298 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 12 letters. Loop has 2 letters. [2022-12-13 12:54:53,298 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:54:53,298 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 12:54:53,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:53,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:54:53,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:54:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:53,323 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:54:53,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:54:53,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:54:53,333 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 12:54:53,333 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-13 12:54:53,341 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 21 states and 26 transitions. Complement of second has 5 states. [2022-12-13 12:54:53,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 12:54:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-13 12:54:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2022-12-13 12:54:53,342 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 12 letters. Loop has 2 letters. [2022-12-13 12:54:53,343 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:54:53,343 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 12:54:53,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:53,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:54:53,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:54:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:53,370 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:54:53,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:54:53,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:54:53,381 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-12-13 12:54:53,381 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-13 12:54:53,390 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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 24 states and 30 transitions. Complement of second has 4 states. [2022-12-13 12:54:53,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 12:54:53,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-13 12:54:53,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-12-13 12:54:53,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 12 letters. Loop has 2 letters. [2022-12-13 12:54:53,391 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:54:53,391 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 14 letters. Loop has 2 letters. [2022-12-13 12:54:53,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:54:53,392 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 12 letters. Loop has 4 letters. [2022-12-13 12:54:53,392 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:54:53,392 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2022-12-13 12:54:53,392 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 12:54:53,392 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2022-12-13 12:54:53,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 12:54:53,393 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 12:54:53,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 12:54:53,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:54:53,393 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:54:53,393 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:54:53,393 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:54:53,393 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 12:54:53,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:54:53,393 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 12:54:53,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 12:54:53,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 12:54:53 BoogieIcfgContainer [2022-12-13 12:54:53,398 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 12:54:53,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:54:53,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:54:53,399 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:54:53,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:54:50" (3/4) ... [2022-12-13 12:54:53,401 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 12:54:53,401 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:54:53,401 INFO L158 Benchmark]: Toolchain (without parser) took 3295.31ms. Allocated memory is still 146.8MB. Free memory was 106.8MB in the beginning and 92.4MB in the end (delta: 14.3MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-12-13 12:54:53,402 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:54:53,402 INFO L158 Benchmark]: CACSL2BoogieTranslator took 160.26ms. Allocated memory is still 146.8MB. Free memory was 106.3MB in the beginning and 97.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 12:54:53,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.34ms. Allocated memory is still 146.8MB. Free memory was 97.3MB in the beginning and 95.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:54:53,402 INFO L158 Benchmark]: Boogie Preprocessor took 16.10ms. Allocated memory is still 146.8MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:54:53,402 INFO L158 Benchmark]: RCFGBuilder took 204.91ms. Allocated memory is still 146.8MB. Free memory was 94.7MB in the beginning and 85.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 12:54:53,403 INFO L158 Benchmark]: BuchiAutomizer took 2883.05ms. Allocated memory is still 146.8MB. Free memory was 85.3MB in the beginning and 93.5MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:54:53,403 INFO L158 Benchmark]: Witness Printer took 2.48ms. Allocated memory is still 146.8MB. Free memory was 93.5MB in the beginning and 92.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:54:53,404 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 102.8MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 160.26ms. Allocated memory is still 146.8MB. Free memory was 106.3MB in the beginning and 97.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.34ms. Allocated memory is still 146.8MB. Free memory was 97.3MB in the beginning and 95.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 16.10ms. Allocated memory is still 146.8MB. Free memory was 95.8MB in the beginning and 94.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 204.91ms. Allocated memory is still 146.8MB. Free memory was 94.7MB in the beginning and 85.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2883.05ms. Allocated memory is still 146.8MB. Free memory was 85.3MB in the beginning and 93.5MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.48ms. Allocated memory is still 146.8MB. Free memory was 93.5MB in the beginning and 92.4MB 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 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * x + -2 * y + 1 and consists of 5 locations. One deterministic module has 2-nested ranking function (if 2 * z > 0 then 1 else 0), (if 2 * z > 0 then 2 * z else 2147483647 + 2 * tx + 2 * z) and consists of 4 locations. One deterministic module has affine ranking function 2 * x + -2 * y + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * x + -2 * y + 1 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 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 [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 66 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax159 hnf100 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq142 hnf94 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 12:54:53,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-12-13 12:54:53,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32e8d52a-56f9-4929-9250-481ec0ffce0e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE