./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 93b4a0ba0c9f7effb12d2a47608c061d55502e7c43d58dada73542f7a20a21c1 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:30:57,104 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:30:57,107 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:30:57,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:30:57,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:30:57,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:30:57,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:30:57,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:30:57,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:30:57,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:30:57,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:30:57,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:30:57,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:30:57,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:30:57,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:30:57,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:30:57,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:30:57,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:30:57,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:30:57,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:30:57,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:30:57,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:30:57,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:30:57,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:30:57,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:30:57,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:30:57,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:30:57,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:30:57,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:30:57,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:30:57,209 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:30:57,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:30:57,218 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:30:57,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:30:57,222 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:30:57,222 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:30:57,223 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:30:57,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:30:57,224 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:30:57,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:30:57,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:30:57,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-21 19:30:57,280 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:30:57,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:30:57,281 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:30:57,282 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:30:57,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:30:57,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:30:57,286 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:30:57,286 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:30:57,287 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:30:57,287 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:30:57,288 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:30:57,288 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:30:57,289 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:30:57,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:30:57,289 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:30:57,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:30:57,290 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:30:57,290 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:30:57,290 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:30:57,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:30:57,291 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:30:57,291 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:30:57,291 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:30:57,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:30:57,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:30:57,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:30:57,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:30:57,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:30:57,294 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:30:57,296 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:30:57,296 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_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93b4a0ba0c9f7effb12d2a47608c061d55502e7c43d58dada73542f7a20a21c1 [2021-10-21 19:30:57,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:30:57,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:30:57,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:30:57,678 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:30:57,678 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:30:57,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i [2021-10-21 19:30:57,769 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/data/2eb9d4d8c/0d086e962c5e49b8a204e841698d4faa/FLAG3e0d58468 [2021-10-21 19:30:58,299 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:30:58,300 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/sv-benchmarks/c/termination-memory-alloca/c.07-alloca.i [2021-10-21 19:30:58,326 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/data/2eb9d4d8c/0d086e962c5e49b8a204e841698d4faa/FLAG3e0d58468 [2021-10-21 19:30:58,593 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/data/2eb9d4d8c/0d086e962c5e49b8a204e841698d4faa [2021-10-21 19:30:58,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:30:58,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:30:58,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:30:58,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:30:58,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:30:58,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:30:58" (1/1) ... [2021-10-21 19:30:58,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b821dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:58, skipping insertion in model container [2021-10-21 19:30:58,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:30:58" (1/1) ... [2021-10-21 19:30:58,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:30:58,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:30:58,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:58,952 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:30:59,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:30:59,055 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:30:59,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:59 WrapperNode [2021-10-21 19:30:59,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:30:59,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:30:59,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:30:59,058 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:30:59,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:59" (1/1) ... [2021-10-21 19:30:59,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:59" (1/1) ... [2021-10-21 19:30:59,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:30:59,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:30:59,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:30:59,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:30:59,137 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:59" (1/1) ... [2021-10-21 19:30:59,137 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:59" (1/1) ... [2021-10-21 19:30:59,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:59" (1/1) ... [2021-10-21 19:30:59,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:59" (1/1) ... [2021-10-21 19:30:59,161 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:59" (1/1) ... [2021-10-21 19:30:59,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:59" (1/1) ... [2021-10-21 19:30:59,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:59" (1/1) ... [2021-10-21 19:30:59,178 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:30:59,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:30:59,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:30:59,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:30:59,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:59" (1/1) ... [2021-10-21 19:30:59,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:30:59,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:30:59,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:30:59,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:30:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 19:30:59,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 19:30:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:30:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 19:30:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:30:59,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:30:59,609 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:30:59,610 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 19:30:59,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:59 BoogieIcfgContainer [2021-10-21 19:30:59,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:30:59,613 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:30:59,613 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:30:59,621 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:30:59,622 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:30:59,622 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:30:58" (1/3) ... [2021-10-21 19:30:59,623 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@353c0629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:30:59, skipping insertion in model container [2021-10-21 19:30:59,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:30:59,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:30:59" (2/3) ... [2021-10-21 19:30:59,631 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@353c0629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:30:59, skipping insertion in model container [2021-10-21 19:30:59,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:30:59,631 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:59" (3/3) ... [2021-10-21 19:30:59,633 INFO L389 chiAutomizerObserver]: Analyzing ICFG c.07-alloca.i [2021-10-21 19:30:59,691 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:30:59,692 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:30:59,692 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:30:59,692 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:30:59,693 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:30:59,693 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:30:59,693 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:30:59,693 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:30:59,709 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:59,729 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-21 19:30:59,730 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:30:59,730 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:30:59,736 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:30:59,736 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:30:59,737 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:30:59,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:30:59,738 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-21 19:30:59,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:30:59,739 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:30:59,739 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:30:59,739 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:30:59,747 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 11#L-1true havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~i, test_fun_#in~j, test_fun_#in~k, test_fun_#in~tmp := main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem16, test_fun_~i, test_fun_~j, test_fun_~k, test_fun_~tmp, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~i := test_fun_#in~i;test_fun_~j := test_fun_#in~j;test_fun_~k := test_fun_#in~k;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset;call write~int(test_fun_~i, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_~j, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(test_fun_~k, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 9#L559-8true [2021-10-21 19:30:59,747 INFO L793 eck$LassoCheckResult]: Loop: 9#L559-8true call test_fun_#t~mem7 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem7 <= 100; 10#L559-1true assume test_fun_#t~short9;call test_fun_#t~mem8 := read~int(test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem8 <= test_fun_~k; 7#L559-3true test_fun_#t~short11 := test_fun_#t~short9; 12#L559-4true assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);test_fun_#t~short11 := test_fun_#t~mem10 > -2147483648; 8#L559-6true assume !!test_fun_#t~short11;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~short11;call test_fun_#t~mem12 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_#t~mem12, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(test_fun_#t~mem13, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);havoc test_fun_#t~mem13;call test_fun_#t~mem14 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem14, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);havoc test_fun_#t~mem14;call test_fun_#t~mem15 := read~int(test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);call write~int(test_fun_#t~mem15 - 1, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);havoc test_fun_#t~mem15; 9#L559-8true [2021-10-21 19:30:59,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:30:59,754 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-21 19:30:59,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:30:59,764 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665142688] [2021-10-21 19:30:59,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:30:59,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:30:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:30:59,951 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:31:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:00,096 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:31:00,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:00,101 INFO L82 PathProgramCache]: Analyzing trace with hash 35405714, now seen corresponding path program 1 times [2021-10-21 19:31:00,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:00,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467665586] [2021-10-21 19:31:00,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:00,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:00,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:00,164 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:31:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:00,218 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:31:00,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:00,220 INFO L82 PathProgramCache]: Analyzing trace with hash 1806845200, now seen corresponding path program 1 times [2021-10-21 19:31:00,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:00,221 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323036102] [2021-10-21 19:31:00,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:00,221 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:00,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:00,273 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:31:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:00,393 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:31:03,453 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:31:03,453 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:31:03,454 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:31:03,454 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:31:03,454 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:31:03,454 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:03,454 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:31:03,454 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:31:03,454 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.07-alloca.i_Iteration1_Lasso [2021-10-21 19:31:03,455 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:31:03,455 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:31:03,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:03,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:03,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:03,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:03,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:03,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:03,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:03,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:03,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:04,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:04,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:04,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:04,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:04,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:04,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:04,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:04,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:04,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:04,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:04,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:31:05,187 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:31:05,191 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:31:05,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,194 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:31:05,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:31:05,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:31:05,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:31:05,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-21 19:31:05,252 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,254 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:31:05,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,266 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:31:05,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:31:05,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:31:05,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-21 19:31:05,291 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,292 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:31:05,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,301 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:31:05,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,302 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:31:05,302 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:31:05,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-21 19:31:05,339 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,340 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:31:05,346 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,353 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:31:05,353 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,354 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:31:05,354 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:31:05,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:05,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,400 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:31:05,406 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:31:05,425 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:31:05,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:05,474 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:31:05,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:31:05,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:31:05,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:31:05,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:05,535 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,539 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:31:05,544 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:31:05,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,552 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:31:05,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:31:05,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:05,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,589 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:31:05,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:31:05,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:31:05,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:31:05,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:05,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,631 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:31:05,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,644 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:31:05,645 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:31:05,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:05,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,669 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:31:05,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,684 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:31:05,684 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:31:05,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:05,720 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,721 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:31:05,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:31:05,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:31:05,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:05,765 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,766 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:31:05,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,795 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:31:05,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:31:05,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:05,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,841 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:31:05,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,855 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:31:05,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:31:05,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:05,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,918 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:31:05,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:31:05,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:31:05,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:05,951 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,952 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:31:05,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:05,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:31:05,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:31:05,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:05,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-10-21 19:31:05,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:05,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:05,989 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:05,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:31:05,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:05,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:05,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:05,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:05,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:06,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:31:06,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:31:06,006 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:06,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:06,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:06,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:06,030 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:06,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:31:06,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:06,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:06,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:06,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:06,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:06,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:31:06,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:31:06,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:31:06,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-10-21 19:31:06,072 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:06,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:06,073 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:06,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:31:06,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:31:06,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:31:06,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:31:06,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:31:06,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:31:06,098 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:31:06,098 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:31:06,125 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:31:06,211 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-10-21 19:31:06,211 INFO L444 ModelExtractionUtils]: 19 out of 52 variables were initially zero. Simplification set additionally 26 variables to zero. [2021-10-21 19:31:06,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:31:06,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:31:06,242 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:31:06,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:31:06,310 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:31:06,335 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:31:06,336 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:31:06,336 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0.base) ULTIMATE.start_test_fun_~i_ref~0.offset)_1, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0.base) ULTIMATE.start_test_fun_~j_ref~0.offset)_1, ULTIMATE.start_main_#t~nondet19) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~i_ref~0.base) ULTIMATE.start_test_fun_~i_ref~0.offset)_1 - 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~j_ref~0.base) ULTIMATE.start_test_fun_~j_ref~0.offset)_1 + 2*ULTIMATE.start_main_#t~nondet19 + 201 Supporting invariants [1*ULTIMATE.start_main_#t~nondet19 - 1*ULTIMATE.start_test_fun_~k >= 0] [2021-10-21 19:31:06,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:06,728 INFO L297 tatePredicateManager]: 54 out of 60 supporting invariants were superfluous and have been removed [2021-10-21 19:31:06,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:06,810 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-21 19:31:06,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:31:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:06,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-10-21 19:31:06,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:31:06,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:31:07,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:31:07,357 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2021-10-21 19:31:07,358 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:07,599 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 49 transitions. Complement of second has 14 states. [2021-10-21 19:31:07,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2021-10-21 19:31:07,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:07,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 24 transitions. [2021-10-21 19:31:07,604 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 2 letters. Loop has 5 letters. [2021-10-21 19:31:07,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:31:07,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 7 letters. Loop has 5 letters. [2021-10-21 19:31:07,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:31:07,605 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 24 transitions. Stem has 2 letters. Loop has 10 letters. [2021-10-21 19:31:07,605 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:31:07,606 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2021-10-21 19:31:07,609 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-21 19:31:07,612 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 19 states and 25 transitions. [2021-10-21 19:31:07,613 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-21 19:31:07,614 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-21 19:31:07,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2021-10-21 19:31:07,614 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:31:07,615 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 25 transitions. [2021-10-21 19:31:07,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2021-10-21 19:31:07,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 17. [2021-10-21 19:31:07,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:07,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-10-21 19:31:07,640 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-21 19:31:07,640 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-10-21 19:31:07,640 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:31:07,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-10-21 19:31:07,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-21 19:31:07,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:31:07,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:31:07,642 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-21 19:31:07,642 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-21 19:31:07,642 INFO L791 eck$LassoCheckResult]: Stem: 357#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 358#L-1 havoc main_#res;havoc main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~ret21;test_fun_#in~i, test_fun_#in~j, test_fun_#in~k, test_fun_#in~tmp := main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset, test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset, test_fun_#t~mem12, test_fun_#t~mem13, test_fun_#t~mem14, test_fun_#t~mem15, test_fun_#t~mem7, test_fun_#t~mem8, test_fun_#t~short9, test_fun_#t~mem10, test_fun_#t~short11, test_fun_#t~mem16, test_fun_~i, test_fun_~j, test_fun_~k, test_fun_~tmp, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~i := test_fun_#in~i;test_fun_~j := test_fun_#in~j;test_fun_~k := test_fun_#in~k;test_fun_~tmp := test_fun_#in~tmp;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset := #Ultimate.allocOnStack(4);test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset := test_fun_#t~malloc5.base, test_fun_#t~malloc5.offset;call test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc6.base, test_fun_#t~malloc6.offset;call write~int(test_fun_~i, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_~j, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(test_fun_~k, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);call write~int(test_fun_~tmp, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 371#L559-8 call test_fun_#t~mem7 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem7 <= 100; 367#L559-1 [2021-10-21 19:31:07,642 INFO L793 eck$LassoCheckResult]: Loop: 367#L559-1 assume !test_fun_#t~short9; 359#L559-3 test_fun_#t~short11 := test_fun_#t~short9; 360#L559-4 assume test_fun_#t~short11;call test_fun_#t~mem10 := read~int(test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);test_fun_#t~short11 := test_fun_#t~mem10 > -2147483648; 363#L559-6 assume !!test_fun_#t~short11;havoc test_fun_#t~mem7;havoc test_fun_#t~mem8;havoc test_fun_#t~short9;havoc test_fun_#t~mem10;havoc test_fun_#t~short11;call test_fun_#t~mem12 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);call write~int(test_fun_#t~mem12, test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);havoc test_fun_#t~mem12;call test_fun_#t~mem13 := read~int(test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);call write~int(test_fun_#t~mem13, test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);havoc test_fun_#t~mem13;call test_fun_#t~mem14 := read~int(test_fun_~tmp_ref~0.base, test_fun_~tmp_ref~0.offset, 4);call write~int(1 + test_fun_#t~mem14, test_fun_~j_ref~0.base, test_fun_~j_ref~0.offset, 4);havoc test_fun_#t~mem14;call test_fun_#t~mem15 := read~int(test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);call write~int(test_fun_#t~mem15 - 1, test_fun_~k_ref~0.base, test_fun_~k_ref~0.offset, 4);havoc test_fun_#t~mem15; 364#L559-8 call test_fun_#t~mem7 := read~int(test_fun_~i_ref~0.base, test_fun_~i_ref~0.offset, 4);test_fun_#t~short9 := test_fun_#t~mem7 <= 100; 367#L559-1 [2021-10-21 19:31:07,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:07,643 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-21 19:31:07,643 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:07,643 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874675699] [2021-10-21 19:31:07,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:07,644 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:07,673 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:31:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:31:07,709 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:31:07,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:31:07,710 INFO L82 PathProgramCache]: Analyzing trace with hash 40145596, now seen corresponding path program 1 times [2021-10-21 19:31:07,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:31:07,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602902799] [2021-10-21 19:31:07,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:31:07,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:31:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:31:07,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:31:07,754 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:31:07,756 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602902799] [2021-10-21 19:31:07,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602902799] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:31:07,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:31:07,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:31:07,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993989139] [2021-10-21 19:31:07,761 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:31:07,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:31:07,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:31:07,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:31:07,765 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:31:07,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:31:07,803 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2021-10-21 19:31:07,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 19:31:07,804 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 17 transitions. [2021-10-21 19:31:07,808 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:31:07,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2021-10-21 19:31:07,808 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:31:07,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:31:07,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:31:07,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:31:07,809 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:31:07,809 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:31:07,809 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:31:07,809 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:31:07,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:31:07,810 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:31:07,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:31:07,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:31:07 BoogieIcfgContainer [2021-10-21 19:31:07,816 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:31:07,816 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:31:07,816 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:31:07,817 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:31:07,817 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:30:59" (3/4) ... [2021-10-21 19:31:07,820 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:31:07,820 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:31:07,822 INFO L168 Benchmark]: Toolchain (without parser) took 9224.21 ms. Allocated memory was 96.5 MB in the beginning and 146.8 MB in the end (delta: 50.3 MB). Free memory was 60.8 MB in the beginning and 48.1 MB in the end (delta: 12.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:07,823 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 69.1 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:31:07,824 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.63 ms. Allocated memory is still 96.5 MB. Free memory was 60.6 MB in the beginning and 67.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:07,826 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.79 ms. Allocated memory is still 96.5 MB. Free memory was 67.2 MB in the beginning and 65.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:07,829 INFO L168 Benchmark]: Boogie Preprocessor took 57.79 ms. Allocated memory is still 96.5 MB. Free memory was 65.0 MB in the beginning and 63.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:07,829 INFO L168 Benchmark]: RCFGBuilder took 424.99 ms. Allocated memory is still 96.5 MB. Free memory was 63.9 MB in the beginning and 51.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:07,831 INFO L168 Benchmark]: BuchiAutomizer took 8202.77 ms. Allocated memory was 96.5 MB in the beginning and 146.8 MB in the end (delta: 50.3 MB). Free memory was 51.3 MB in the beginning and 48.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 54.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:31:07,831 INFO L168 Benchmark]: Witness Printer took 3.78 ms. Allocated memory is still 146.8 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:31:07,839 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 69.1 MB in the end (delta: 29.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 458.63 ms. Allocated memory is still 96.5 MB. Free memory was 60.6 MB in the beginning and 67.2 MB in the end (delta: -6.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.79 ms. Allocated memory is still 96.5 MB. Free memory was 67.2 MB in the beginning and 65.0 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 57.79 ms. Allocated memory is still 96.5 MB. Free memory was 65.0 MB in the beginning and 63.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 424.99 ms. Allocated memory is still 96.5 MB. Free memory was 63.9 MB in the beginning and 51.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8202.77 ms. Allocated memory was 96.5 MB in the beginning and 146.8 MB in the end (delta: 50.3 MB). Free memory was 51.3 MB in the beginning and 48.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 54.4 MB. Max. memory is 16.1 GB. * Witness Printer took 3.78 ms. Allocated memory is still 146.8 MB. Free memory is still 48.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * aux-__VERIFIER_nondet_int()-aux + -2 * unknown-#memory_int-unknown[i_ref][i_ref] + 201 + -2 * unknown-#memory_int-unknown[j_ref][j_ref] and consists of 8 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 7.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 11.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 17 SDslu, 9 SDs, 0 SdLazy, 45 SolverSat, 17 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 81.0ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital1043 mio100 ax101 hnf100 lsp97 ukn26 mio100 lsp34 div100 bol100 ite100 ukn100 eq197 hnf87 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:31:07,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1e3b526-c6d8-4e39-965c-48c737f2f773/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...