./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1643f1caf494dad598b4df826effeedd3e612fb8 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:19:43,007 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:19:43,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:19:43,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:19:43,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:19:43,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:19:43,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:19:43,076 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:19:43,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:19:43,089 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:19:43,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:19:43,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:19:43,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:19:43,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:19:43,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:19:43,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:19:43,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:19:43,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:19:43,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:19:43,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:19:43,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:19:43,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:19:43,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:19:43,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:19:43,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:19:43,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:19:43,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:19:43,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:19:43,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:19:43,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:19:43,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:19:43,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:19:43,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:19:43,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:19:43,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:19:43,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:19:43,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:19:43,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:19:43,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:19:43,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:19:43,158 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:19:43,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 00:19:43,198 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:19:43,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:19:43,203 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:19:43,203 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:19:43,205 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:19:43,205 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:19:43,205 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:19:43,205 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 00:19:43,206 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 00:19:43,206 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 00:19:43,207 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 00:19:43,207 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 00:19:43,208 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 00:19:43,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:19:43,208 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 00:19:43,208 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:19:43,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:19:43,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 00:19:43,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:19:43,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 00:19:43,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 00:19:43,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 00:19:43,210 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 00:19:43,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:19:43,210 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 00:19:43,211 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:19:43,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 00:19:43,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:19:43,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:19:43,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:19:43,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:19:43,214 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:19:43,215 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 00:19:43,216 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_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1643f1caf494dad598b4df826effeedd3e612fb8 [2021-10-13 00:19:43,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:19:43,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:19:43,542 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:19:43,543 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:19:43,543 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:19:43,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2021-10-13 00:19:43,610 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/data/7c00b36e4/9f17996fccff496d9d621609142da1de/FLAG0540d781b [2021-10-13 00:19:44,179 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:19:44,179 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/sv-benchmarks/c/array-memsafety/stroeder1-alloca-1.i [2021-10-13 00:19:44,190 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/data/7c00b36e4/9f17996fccff496d9d621609142da1de/FLAG0540d781b [2021-10-13 00:19:44,481 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/data/7c00b36e4/9f17996fccff496d9d621609142da1de [2021-10-13 00:19:44,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:19:44,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:19:44,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:19:44,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:19:44,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:19:44,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:19:44" (1/1) ... [2021-10-13 00:19:44,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c9a07e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:44, skipping insertion in model container [2021-10-13 00:19:44,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:19:44" (1/1) ... [2021-10-13 00:19:44,512 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:19:44,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:19:44,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:19:44,886 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:19:44,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:19:44,982 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:19:44,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:44 WrapperNode [2021-10-13 00:19:44,983 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:19:44,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:19:44,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:19:44,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:19:44,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:44" (1/1) ... [2021-10-13 00:19:45,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:44" (1/1) ... [2021-10-13 00:19:45,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:19:45,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:19:45,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:19:45,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:19:45,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:44" (1/1) ... [2021-10-13 00:19:45,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:44" (1/1) ... [2021-10-13 00:19:45,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:44" (1/1) ... [2021-10-13 00:19:45,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:44" (1/1) ... [2021-10-13 00:19:45,044 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:44" (1/1) ... [2021-10-13 00:19:45,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:44" (1/1) ... [2021-10-13 00:19:45,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:44" (1/1) ... [2021-10-13 00:19:45,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:19:45,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:19:45,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:19:45,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:19:45,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:44" (1/1) ... [2021-10-13 00:19:45,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:45,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:45,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:45,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 00:19:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 00:19:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 00:19:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 00:19:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 00:19:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:19:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:19:45,324 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:19:45,324 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-13 00:19:45,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:19:45 BoogieIcfgContainer [2021-10-13 00:19:45,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:19:45,327 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 00:19:45,327 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 00:19:45,331 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 00:19:45,331 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:19:45,332 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 12:19:44" (1/3) ... [2021-10-13 00:19:45,333 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5434d271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:19:45, skipping insertion in model container [2021-10-13 00:19:45,333 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:19:45,333 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:19:44" (2/3) ... [2021-10-13 00:19:45,334 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5434d271 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 12:19:45, skipping insertion in model container [2021-10-13 00:19:45,334 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 00:19:45,334 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:19:45" (3/3) ... [2021-10-13 00:19:45,336 INFO L389 chiAutomizerObserver]: Analyzing ICFG stroeder1-alloca-1.i [2021-10-13 00:19:45,380 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 00:19:45,380 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 00:19:45,380 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 00:19:45,380 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 00:19:45,381 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 00:19:45,381 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 00:19:45,381 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 00:19:45,381 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 00:19:45,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2021-10-13 00:19:45,415 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-13 00:19:45,415 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:19:45,415 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:19:45,421 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:19:45,421 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:19:45,422 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 00:19:45,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 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) [2021-10-13 00:19:45,424 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-13 00:19:45,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:19:45,425 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:19:45,425 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-13 00:19:45,425 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:19:45,433 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_~i~1, main_#t~ret8, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 10#L526true assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 4#L526-2true call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~1 := 0; 5#L531-3true [2021-10-13 00:19:45,433 INFO L793 eck$LassoCheckResult]: Loop: 5#L531-3true assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet7, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet7; 11#L531-2true main_#t~post6 := main_~i~1;main_~i~1 := 1 + main_#t~post6;havoc main_#t~post6; 5#L531-3true [2021-10-13 00:19:45,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:45,439 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-13 00:19:45,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:45,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472571059] [2021-10-13 00:19:45,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:45,450 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:45,598 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:45,628 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:45,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:45,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-10-13 00:19:45,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:45,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144862295] [2021-10-13 00:19:45,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:45,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:45,644 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:45,655 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:45,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:45,657 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-10-13 00:19:45,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:45,658 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834691462] [2021-10-13 00:19:45,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:45,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:45,697 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:45,736 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:46,161 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:19:46,161 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:19:46,162 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:19:46,163 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:19:46,163 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:19:46,163 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:46,163 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:19:46,164 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:19:46,164 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca-1.i_Iteration1_Lasso [2021-10-13 00:19:46,164 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:19:46,165 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:19:46,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:46,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:46,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:46,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:46,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:46,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:46,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:46,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:46,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:46,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:46,646 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:19:46,650 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:19:46,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:46,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:46,654 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:46,660 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 [2021-10-13 00:19:46,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:46,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:46,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:46,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:46,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:46,674 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:46,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:46,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 00:19:46,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:46,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:46,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:46,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:46,734 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:46,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 00:19:46,742 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 [2021-10-13 00:19:46,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:46,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:46,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:46,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:46,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:46,754 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:46,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:46,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:46,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-13 00:19:46,798 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:46,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:46,802 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:46,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 00:19:46,810 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 [2021-10-13 00:19:46,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:46,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:46,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:46,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:46,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:46,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:46,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:46,837 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:46,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:46,872 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:46,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:46,873 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:46,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 00:19:46,878 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 [2021-10-13 00:19:46,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:46,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:46,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:46,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:46,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:46,892 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:46,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:46,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:46,941 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:46,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:46,943 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:46,947 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 [2021-10-13 00:19:46,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:46,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:46,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:46,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:46,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:46,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:46,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 00:19:46,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:47,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:47,021 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:47,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:47,023 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:47,030 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 [2021-10-13 00:19:47,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 00:19:47,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:47,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:47,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:47,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:47,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:47,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:47,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:47,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:47,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:47,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:47,096 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:47,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 00:19:47,098 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 [2021-10-13 00:19:47,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:47,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:47,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:47,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:47,110 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:47,110 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:47,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:47,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:47,162 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:47,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:47,164 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:47,187 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 [2021-10-13 00:19:47,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 00:19:47,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:47,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:47,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:47,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:47,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:47,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:47,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:47,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:47,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-13 00:19:47,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:47,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:47,231 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:47,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 00:19:47,233 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 [2021-10-13 00:19:47,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:47,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:47,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:47,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:47,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:47,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:47,302 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:19:47,355 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2021-10-13 00:19:47,355 INFO L444 ModelExtractionUtils]: 5 out of 22 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-10-13 00:19:47,357 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:47,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:47,358 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:47,363 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:19:47,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 00:19:47,396 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-13 00:19:47,396 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:19:47,396 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1, ULTIMATE.start_main_~i~1) = 1*v_rep(select #length ULTIMATE.start_main_~numbers~0.base)_1 - 4*ULTIMATE.start_main_~i~1 Supporting invariants [1*ULTIMATE.start_main_~numbers~0.offset >= 0] [2021-10-13 00:19:47,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:47,468 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2021-10-13 00:19:47,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:47,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:19:47,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:19:47,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:19:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:19:47,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:19:47,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:19:47,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:19:47,685 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:19:47,686 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-10-13 00:19:47,765 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 42 transitions. Complement of second has 7 states. [2021-10-13 00:19:47,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 00:19:47,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-10-13 00:19:47,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2021-10-13 00:19:47,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-13 00:19:47,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:47,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-13 00:19:47,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:47,774 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-13 00:19:47,774 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:47,775 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2021-10-13 00:19:47,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:19:47,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 10 states and 13 transitions. [2021-10-13 00:19:47,786 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-10-13 00:19:47,786 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-13 00:19:47,787 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-10-13 00:19:47,788 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:19:47,789 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-13 00:19:47,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-10-13 00:19:47,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-13 00:19:47,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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) [2021-10-13 00:19:47,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-10-13 00:19:47,809 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-13 00:19:47,809 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-13 00:19:47,809 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 00:19:47,810 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-10-13 00:19:47,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:19:47,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:19:47,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:19:47,811 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-13 00:19:47,811 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:19:47,811 INFO L791 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 118#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_~i~1, main_#t~ret8, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 119#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 112#L526-2 call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~1 := 0; 113#L531-3 assume !(main_~i~1 < main_~array_size~0); 115#L531-4 sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 120#L517-3 [2021-10-13 00:19:47,811 INFO L793 eck$LassoCheckResult]: Loop: 120#L517-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset;call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_~sum~0 := sumOfThirdBytes_~sum~0 + sumOfThirdBytes_#t~mem3;havoc sumOfThirdBytes_#t~mem3; 121#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 120#L517-3 [2021-10-13 00:19:47,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:47,812 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-10-13 00:19:47,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:47,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132621068] [2021-10-13 00:19:47,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:47,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:19:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:19:47,914 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 00:19:47,915 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132621068] [2021-10-13 00:19:47,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132621068] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 00:19:47,915 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 00:19:47,915 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 00:19:47,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731021575] [2021-10-13 00:19:47,918 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 00:19:47,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:47,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 1 times [2021-10-13 00:19:47,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:47,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672443374] [2021-10-13 00:19:47,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:47,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:47,931 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:47,937 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:48,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 00:19:48,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 00:19:48,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 00:19:48,008 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2021-10-13 00:19:48,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 00:19:48,032 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2021-10-13 00:19:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 00:19:48,033 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2021-10-13 00:19:48,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:19:48,034 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2021-10-13 00:19:48,034 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-13 00:19:48,035 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-13 00:19:48,035 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2021-10-13 00:19:48,035 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:19:48,035 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-10-13 00:19:48,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2021-10-13 00:19:48,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-13 00:19:48,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 00:19:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-10-13 00:19:48,037 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-10-13 00:19:48,037 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-10-13 00:19:48,037 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 00:19:48,037 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2021-10-13 00:19:48,038 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:19:48,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:19:48,038 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:19:48,039 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 00:19:48,039 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:19:48,039 INFO L791 eck$LassoCheckResult]: Stem: 145#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 146#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_~i~1, main_#t~ret8, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 147#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 140#L526-2 call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~1 := 0; 141#L531-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet7, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet7; 142#L531-2 main_#t~post6 := main_~i~1;main_~i~1 := 1 + main_#t~post6;havoc main_#t~post6; 143#L531-3 assume !(main_~i~1 < main_~array_size~0); 144#L531-4 sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 148#L517-3 [2021-10-13 00:19:48,039 INFO L793 eck$LassoCheckResult]: Loop: 148#L517-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset;call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_~sum~0 := sumOfThirdBytes_~sum~0 + sumOfThirdBytes_#t~mem3;havoc sumOfThirdBytes_#t~mem3; 149#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 148#L517-3 [2021-10-13 00:19:48,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:48,040 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-10-13 00:19:48,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:48,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181178703] [2021-10-13 00:19:48,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:48,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:48,065 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:48,098 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:48,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:48,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 2 times [2021-10-13 00:19:48,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:48,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011464800] [2021-10-13 00:19:48,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:48,102 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:48,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:48,114 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:48,128 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:48,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:48,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1899811567, now seen corresponding path program 1 times [2021-10-13 00:19:48,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:48,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708148863] [2021-10-13 00:19:48,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:48,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:48,148 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:48,166 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:48,602 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:19:48,602 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:19:48,602 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:19:48,602 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:19:48,603 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:19:48,603 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:48,603 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:19:48,604 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:19:48,604 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca-1.i_Iteration3_Lasso [2021-10-13 00:19:48,604 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:19:48,604 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:19:48,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:48,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:48,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:48,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:48,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:48,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:48,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:48,632 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:48,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:48,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:48,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:48,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:48,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:48,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:49,085 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:19:49,085 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:19:49,085 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:49,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:49,091 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:49,094 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 [2021-10-13 00:19:49,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:49,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:49,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:49,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:49,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:49,107 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:49,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:49,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 00:19:49,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:49,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:49,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:49,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:49,167 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:49,174 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 [2021-10-13 00:19:49,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:49,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:49,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:49,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:49,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:49,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:49,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:49,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 00:19:49,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:49,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:49,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:49,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:49,236 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:49,243 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 [2021-10-13 00:19:49,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:49,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:49,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:49,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:49,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:49,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:49,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:49,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 00:19:49,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:49,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:49,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:49,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:49,298 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:49,307 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 [2021-10-13 00:19:49,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:49,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:49,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:49,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:49,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:49,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:49,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 00:19:49,330 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:49,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:49,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:49,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:49,370 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:49,378 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 [2021-10-13 00:19:49,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:49,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:49,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:49,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:49,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:49,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:49,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:49,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 00:19:49,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:49,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:49,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:49,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:49,447 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:49,454 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 [2021-10-13 00:19:49,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:49,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:49,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:49,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:49,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:49,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:49,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 00:19:49,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:49,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:49,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:49,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:49,519 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:49,526 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 [2021-10-13 00:19:49,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 00:19:49,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:49,537 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:49,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:49,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:49,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:49,538 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:49,538 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:49,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:49,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:49,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:49,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:49,587 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:49,593 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 [2021-10-13 00:19:49,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 00:19:49,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:49,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:49,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:49,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:49,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:49,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:49,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:49,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:49,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:49,655 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:49,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:49,656 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:49,666 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 [2021-10-13 00:19:49,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:49,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:49,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:49,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:49,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 00:19:49,680 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:49,680 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:49,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:49,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:49,738 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:49,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:49,740 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:49,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:19:49,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:49,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:49,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:49,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:49,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:49,758 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:49,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 00:19:49,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:49,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:49,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:49,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:49,816 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:49,818 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 [2021-10-13 00:19:49,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:49,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:49,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:49,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:49,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:49,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:49,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 00:19:49,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:49,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:49,879 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:49,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:49,883 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:49,887 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 [2021-10-13 00:19:49,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:49,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:49,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:49,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:49,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:49,899 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:49,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 00:19:49,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:49,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:49,941 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:49,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:49,941 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:49,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 00:19:49,943 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 [2021-10-13 00:19:49,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:49,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:49,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:49,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:49,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:49,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:49,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:49,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:49,997 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:49,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:49,998 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:50,007 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 [2021-10-13 00:19:50,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:50,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:50,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:50,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:50,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 00:19:50,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:50,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:50,050 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:19:50,077 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-13 00:19:50,077 INFO L444 ModelExtractionUtils]: 30 out of 40 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-10-13 00:19:50,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:50,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:50,083 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:50,084 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:19:50,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 00:19:50,100 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-13 00:19:50,101 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:19:50,101 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sumOfThirdBytes_~i~0) = -2*ULTIMATE.start_sumOfThirdBytes_~i~0 + 1 Supporting invariants [-1*ULTIMATE.start_sumOfThirdBytes_~array_size + 1 >= 0] [2021-10-13 00:19:50,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:50,143 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-10-13 00:19:50,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:19:50,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 00:19:50,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:19:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:19:50,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-13 00:19:50,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:19:50,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:19:50,327 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-10-13 00:19:50,328 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-10-13 00:19:50,455 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 24 states and 29 transitions. Complement of second has 11 states. [2021-10-13 00:19:50,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-13 00:19:50,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-10-13 00:19:50,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 22 transitions. [2021-10-13 00:19:50,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-13 00:19:50,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:50,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-13 00:19:50,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:50,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 22 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-13 00:19:50,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:50,458 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2021-10-13 00:19:50,460 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:19:50,460 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 15 states and 16 transitions. [2021-10-13 00:19:50,460 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-13 00:19:50,460 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-10-13 00:19:50,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 16 transitions. [2021-10-13 00:19:50,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:19:50,461 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 16 transitions. [2021-10-13 00:19:50,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 16 transitions. [2021-10-13 00:19:50,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 12. [2021-10-13 00:19:50,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 11 states have internal predecessors, (13), 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) [2021-10-13 00:19:50,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2021-10-13 00:19:50,463 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-10-13 00:19:50,463 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-10-13 00:19:50,463 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 00:19:50,463 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 13 transitions. [2021-10-13 00:19:50,463 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-13 00:19:50,464 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 00:19:50,464 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 00:19:50,464 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-10-13 00:19:50,464 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-13 00:19:50,464 INFO L791 eck$LassoCheckResult]: Stem: 263#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 264#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_~i~1, main_#t~ret8, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 265#L526 assume !(main_~array_size~0 < 1 || main_~array_size~0 >= 536870911); 262#L526-2 call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~1 := 0; 258#L531-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet7, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet7; 259#L531-2 main_#t~post6 := main_~i~1;main_~i~1 := 1 + main_#t~post6;havoc main_#t~post6; 260#L531-3 assume !!(main_~i~1 < main_~array_size~0);call write~int(main_#t~nondet7, main_~numbers~0.base, main_~numbers~0.offset + 4 * main_~i~1, 4);havoc main_#t~nondet7; 261#L531-2 main_#t~post6 := main_~i~1;main_~i~1 := 1 + main_#t~post6;havoc main_#t~post6; 269#L531-3 assume !(main_~i~1 < main_~array_size~0); 266#L531-4 sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 267#L517-3 [2021-10-13 00:19:50,465 INFO L793 eck$LassoCheckResult]: Loop: 267#L517-3 assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset;call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_~sum~0 := sumOfThirdBytes_~sum~0 + sumOfThirdBytes_#t~mem3;havoc sumOfThirdBytes_#t~mem3; 268#L517-2 sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 267#L517-3 [2021-10-13 00:19:50,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:50,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2021-10-13 00:19:50,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:50,465 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397716863] [2021-10-13 00:19:50,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:50,466 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:50,478 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:50,493 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:50,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:50,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 3 times [2021-10-13 00:19:50,494 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:50,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330648212] [2021-10-13 00:19:50,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:50,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:50,499 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:50,503 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:50,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:50,504 INFO L82 PathProgramCache]: Analyzing trace with hash -304736141, now seen corresponding path program 2 times [2021-10-13 00:19:50,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 00:19:50,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837432719] [2021-10-13 00:19:50,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 00:19:50,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 00:19:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:50,526 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 00:19:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 00:19:50,570 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 00:19:50,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:51,022 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 00:19:51,022 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 00:19:51,022 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 00:19:51,022 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 00:19:51,022 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 00:19:51,022 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:51,022 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 00:19:51,022 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 00:19:51,023 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca-1.i_Iteration4_Lasso [2021-10-13 00:19:51,023 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 00:19:51,023 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 00:19:51,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:51,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:51,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:51,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:51,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:51,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:51,041 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:51,043 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:51,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:51,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:51,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:51,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:51,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:51,181 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 00:19:51,460 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 00:19:51,461 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 00:19:51,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:51,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:51,466 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:51,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 00:19:51,467 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 [2021-10-13 00:19:51,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:51,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:51,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:51,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:51,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:51,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:51,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:51,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:51,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:51,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:51,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:51,502 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:51,504 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 [2021-10-13 00:19:51,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:51,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:51,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:51,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:51,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:51,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:51,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:51,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 00:19:51,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:51,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:51,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:51,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:51,545 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:51,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 00:19:51,547 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 [2021-10-13 00:19:51,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:51,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:51,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:51,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:51,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:51,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:51,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:51,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:51,595 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:51,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:51,596 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:51,597 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 [2021-10-13 00:19:51,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 00:19:51,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:51,604 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:51,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:51,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:51,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:51,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:51,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:51,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:51,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:51,625 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:51,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:51,626 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:51,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 00:19:51,628 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 [2021-10-13 00:19:51,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:51,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:51,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:51,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:51,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:51,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:51,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:51,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-13 00:19:51,667 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:51,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:51,668 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:51,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 00:19:51,669 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 [2021-10-13 00:19:51,676 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:51,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:51,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:51,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:51,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:51,677 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:51,677 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:51,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:51,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-13 00:19:51,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:51,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:51,699 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:51,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 00:19:51,700 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 [2021-10-13 00:19:51,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:51,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:51,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:51,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:51,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:51,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:51,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:51,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:51,732 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:51,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:51,733 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:51,737 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 [2021-10-13 00:19:51,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 00:19:51,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:51,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:51,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:51,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:51,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:51,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:51,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:51,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:51,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:51,768 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:51,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:51,769 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:51,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 00:19:51,771 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 [2021-10-13 00:19:51,778 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:51,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:51,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:51,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:51,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:51,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:51,782 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:51,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:51,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:51,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:51,802 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:51,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 00:19:51,804 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 [2021-10-13 00:19:51,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:51,811 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 00:19:51,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:51,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:51,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:51,812 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 00:19:51,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 00:19:51,813 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:51,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:51,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:51,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:51,834 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:51,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 00:19:51,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 00:19:51,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:51,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:51,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:51,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:51,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:51,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:51,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 00:19:51,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:51,918 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:51,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:51,919 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:51,924 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 [2021-10-13 00:19:51,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 00:19:51,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 00:19:51,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 00:19:51,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 00:19:51,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 00:19:51,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 00:19:51,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 00:19:51,982 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 00:19:52,011 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 00:19:52,011 INFO L444 ModelExtractionUtils]: 24 out of 43 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-10-13 00:19:52,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 00:19:52,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:19:52,013 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 00:19:52,015 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 00:19:52,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 00:19:52,047 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 00:19:52,047 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 00:19:52,047 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sumOfThirdBytes_~array_size, ULTIMATE.start_sumOfThirdBytes_~i~0) = 1*ULTIMATE.start_sumOfThirdBytes_~array_size - 1*ULTIMATE.start_sumOfThirdBytes_~i~0 Supporting invariants [] [2021-10-13 00:19:52,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-13 00:19:52,095 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2021-10-13 00:19:52,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 00:19:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:19:52,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 00:19:52,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:19:52,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-13 00:19:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 00:19:52,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-13 00:19:52,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 00:19:52,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 00:19:52,235 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-13 00:19:52,235 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 13 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-10-13 00:19:52,245 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 13 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 14 states and 16 transitions. Complement of second has 4 states. [2021-10-13 00:19:52,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-13 00:19:52,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2021-10-13 00:19:52,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2021-10-13 00:19:52,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-13 00:19:52,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:52,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 12 letters. Loop has 2 letters. [2021-10-13 00:19:52,249 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:52,249 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-13 00:19:52,250 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 00:19:52,250 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2021-10-13 00:19:52,251 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:19:52,251 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2021-10-13 00:19:52,251 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 00:19:52,251 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 00:19:52,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 00:19:52,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 00:19:52,252 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:19:52,252 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:19:52,252 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 00:19:52,252 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 00:19:52,252 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 00:19:52,253 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 00:19:52,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 00:19:52,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 12:19:52 BoogieIcfgContainer [2021-10-13 00:19:52,260 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 00:19:52,261 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:19:52,261 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:19:52,261 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:19:52,262 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:19:45" (3/4) ... [2021-10-13 00:19:52,265 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 00:19:52,265 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:19:52,266 INFO L168 Benchmark]: Toolchain (without parser) took 7779.59 ms. Allocated memory was 113.2 MB in the beginning and 174.1 MB in the end (delta: 60.8 MB). Free memory was 81.7 MB in the beginning and 137.0 MB in the end (delta: -55.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:52,267 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 113.2 MB. Free memory is still 67.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:19:52,267 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.90 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 81.3 MB in the beginning and 104.8 MB in the end (delta: -23.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:52,268 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.06 ms. Allocated memory is still 136.3 MB. Free memory was 104.8 MB in the beginning and 102.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:52,268 INFO L168 Benchmark]: Boogie Preprocessor took 26.30 ms. Allocated memory is still 136.3 MB. Free memory was 102.9 MB in the beginning and 102.0 MB in the end (delta: 899.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:19:52,269 INFO L168 Benchmark]: RCFGBuilder took 274.33 ms. Allocated memory is still 136.3 MB. Free memory was 102.0 MB in the beginning and 92.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 00:19:52,269 INFO L168 Benchmark]: BuchiAutomizer took 6932.90 ms. Allocated memory was 136.3 MB in the beginning and 174.1 MB in the end (delta: 37.7 MB). Free memory was 91.9 MB in the beginning and 137.0 MB in the end (delta: -45.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:19:52,269 INFO L168 Benchmark]: Witness Printer took 4.41 ms. Allocated memory is still 174.1 MB. Free memory is still 137.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:19:52,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 113.2 MB. Free memory is still 67.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 484.90 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 81.3 MB in the beginning and 104.8 MB in the end (delta: -23.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.06 ms. Allocated memory is still 136.3 MB. Free memory was 104.8 MB in the beginning and 102.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.30 ms. Allocated memory is still 136.3 MB. Free memory was 102.9 MB in the beginning and 102.0 MB in the end (delta: 899.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 274.33 ms. Allocated memory is still 136.3 MB. Free memory was 102.0 MB in the beginning and 92.4 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6932.90 ms. Allocated memory was 136.3 MB in the beginning and 174.1 MB in the end (delta: 37.7 MB). Free memory was 91.9 MB in the beginning and 137.0 MB in the end (delta: -45.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.41 ms. Allocated memory is still 174.1 MB. Free memory is still 137.0 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[numbers] + -4 * i and consists of 5 locations. One deterministic module has affine ranking function -2 * i + 1 and consists of 9 locations. One deterministic module has affine ranking function array_size + -1 * i and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.8s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 5.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 11.9ms AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 12 states and ocurred in iteration 3. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 29 SDtfs, 46 SDslu, 23 SDs, 0 SdLazy, 53 SolverSat, 22 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 81.8ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital129 mio100 ax114 hnf99 lsp83 ukn78 mio100 lsp64 div100 bol100 ite100 ukn100 eq177 hnf90 smp96 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms 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! [2021-10-13 00:19:52,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5cdb0ae3-6939-4961-bffe-425b22436f93/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...