./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f1855ccd5ef0c8491e97368f082ce5aab941ff0c5bf681c3496fd6584d783f6d ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:52:41,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:52:41,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:52:41,126 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:52:41,127 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:52:41,128 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:52:41,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:52:41,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:52:41,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:52:41,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:52:41,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:52:41,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:52:41,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:52:41,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:52:41,141 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:52:41,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:52:41,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:52:41,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:52:41,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:52:41,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:52:41,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:52:41,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:52:41,160 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:52:41,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:52:41,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:52:41,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:52:41,168 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:52:41,169 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:52:41,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:52:41,173 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:52:41,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:52:41,174 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:52:41,176 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:52:41,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:52:41,179 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:52:41,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:52:41,180 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:52:41,180 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:52:41,180 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:52:41,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:52:41,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:52:41,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 09:52:41,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:52:41,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:52:41,245 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:52:41,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:52:41,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:52:41,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:52:41,248 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:52:41,248 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:52:41,248 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:52:41,249 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:52:41,250 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:52:41,250 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:52:41,250 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:52:41,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:52:41,251 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:52:41,251 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:52:41,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:52:41,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:52:41,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:52:41,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:52:41,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:52:41,252 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:52:41,253 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:52:41,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:52:41,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:52:41,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:52:41,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:52:41,254 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:52:41,254 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:52:41,255 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:52:41,255 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_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1855ccd5ef0c8491e97368f082ce5aab941ff0c5bf681c3496fd6584d783f6d [2021-10-28 09:52:41,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:52:41,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:52:41,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:52:41,518 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:52:41,519 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:52:41,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i [2021-10-28 09:52:41,597 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/data/bdf3e2162/7d58e9b2ade84f7b91fbd4460941cd26/FLAG452da0e89 [2021-10-28 09:52:42,198 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:52:42,203 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/sv-benchmarks/c/termination-memory-alloca/b.12-alloca.i [2021-10-28 09:52:42,216 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/data/bdf3e2162/7d58e9b2ade84f7b91fbd4460941cd26/FLAG452da0e89 [2021-10-28 09:52:42,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/data/bdf3e2162/7d58e9b2ade84f7b91fbd4460941cd26 [2021-10-28 09:52:42,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:52:42,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:52:42,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:52:42,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:52:42,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:52:42,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:52:42" (1/1) ... [2021-10-28 09:52:42,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134bd1b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:42, skipping insertion in model container [2021-10-28 09:52:42,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:52:42" (1/1) ... [2021-10-28 09:52:42,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:52:42,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:52:42,794 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:52:42,802 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:52:42,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:52:42,869 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:52:42,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:42 WrapperNode [2021-10-28 09:52:42,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:52:42,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:52:42,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:52:42,871 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:52:42,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:42" (1/1) ... [2021-10-28 09:52:42,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:42" (1/1) ... [2021-10-28 09:52:42,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:52:42,911 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:52:42,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:52:42,912 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:52:42,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:42" (1/1) ... [2021-10-28 09:52:42,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:42" (1/1) ... [2021-10-28 09:52:42,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:42" (1/1) ... [2021-10-28 09:52:42,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:42" (1/1) ... [2021-10-28 09:52:42,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:42" (1/1) ... [2021-10-28 09:52:42,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:42" (1/1) ... [2021-10-28 09:52:42,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:42" (1/1) ... [2021-10-28 09:52:42,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:52:42,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:52:42,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:52:42,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:52:42,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:42" (1/1) ... [2021-10-28 09:52:42,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:42,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:42,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:42,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:52:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:52:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:52:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:52:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:52:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:52:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:52:43,231 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:52:43,231 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:52:43,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:52:43 BoogieIcfgContainer [2021-10-28 09:52:43,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:52:43,234 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:52:43,234 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:52:43,238 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:52:43,238 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:52:43,239 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:52:42" (1/3) ... [2021-10-28 09:52:43,243 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21fa6189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:52:43, skipping insertion in model container [2021-10-28 09:52:43,243 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:52:43,243 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:52:42" (2/3) ... [2021-10-28 09:52:43,244 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21fa6189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:52:43, skipping insertion in model container [2021-10-28 09:52:43,244 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:52:43,244 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:52:43" (3/3) ... [2021-10-28 09:52:43,245 INFO L389 chiAutomizerObserver]: Analyzing ICFG b.12-alloca.i [2021-10-28 09:52:43,320 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:52:43,320 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:52:43,321 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:52:43,321 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:52:43,321 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:52:43,321 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:52:43,321 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:52:43,321 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:52:43,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:52:43,353 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:52:43,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:52:43,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:52:43,359 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:52:43,359 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:52:43,359 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:52:43,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:52:43,362 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:52:43,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:52:43,362 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:52:43,362 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 09:52:43,362 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:52:43,369 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 9#L559-2true [2021-10-28 09:52:43,369 INFO L793 eck$LassoCheckResult]: Loop: 9#L559-2true call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 12#L555-1true assume test_fun_#t~short7; 6#L555-3true assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 8#L556true assume test_fun_#t~mem8 > 0;havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem9 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem9; 9#L559-2true [2021-10-28 09:52:43,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:43,379 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 09:52:43,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:43,388 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161191204] [2021-10-28 09:52:43,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:43,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:43,530 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:52:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:43,580 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:52:43,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:43,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1142247, now seen corresponding path program 1 times [2021-10-28 09:52:43,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:43,584 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812416983] [2021-10-28 09:52:43,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:43,585 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:43,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:43,603 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:52:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:43,620 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:52:43,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:43,622 INFO L85 PathProgramCache]: Analyzing trace with hash 889569449, now seen corresponding path program 1 times [2021-10-28 09:52:43,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:43,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930250369] [2021-10-28 09:52:43,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:43,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:43,687 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:52:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:43,768 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:52:44,622 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:52:44,623 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:52:44,623 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:52:44,623 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:52:44,623 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:52:44,623 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:44,623 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:52:44,624 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:52:44,624 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12-alloca.i_Iteration1_Lasso [2021-10-28 09:52:44,624 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:52:44,624 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:52:44,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,662 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,670 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,676 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,690 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,704 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:44,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:45,452 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:52:45,457 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:52:45,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:45,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:45,461 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:45,464 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 [2021-10-28 09:52:45,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:45,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:52:45,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:45,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:45,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:45,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:52:45,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:52:45,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:52:45,494 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:45,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 09:52:45,525 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:45,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:45,527 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:45,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:52:45,534 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 [2021-10-28 09:52:45,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:45,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:52:45,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:45,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:45,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:45,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:52:45,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:52:45,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:45,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:45,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:45,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:45,602 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:45,610 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 [2021-10-28 09:52:45,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:45,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:45,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:45,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:45,623 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:45,623 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:45,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:52:45,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:45,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:45,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:45,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:45,679 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:45,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:52:45,682 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 [2021-10-28 09:52:45,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:45,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:52:45,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:45,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:45,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:45,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:52:45,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:52:45,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:45,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:45,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:45,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:45,717 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:45,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:52:45,719 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 [2021-10-28 09:52:45,725 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:45,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:52:45,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:45,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:45,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:45,726 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:52:45,726 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:52:45,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:45,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-10-28 09:52:45,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:45,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:45,747 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:45,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:52:45,749 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 [2021-10-28 09:52:45,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:45,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:45,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:45,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:45,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:45,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:45,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:45,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:45,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:45,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:45,788 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:45,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:52:45,792 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 [2021-10-28 09:52:45,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:45,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:45,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:45,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:45,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:45,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:45,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:45,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:45,874 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:45,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:45,875 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:45,880 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 [2021-10-28 09:52:45,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:52:45,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:45,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:52:45,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:45,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:45,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:45,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:52:45,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:52:45,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:45,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-28 09:52:45,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:45,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:45,925 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:45,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:52:45,930 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 [2021-10-28 09:52:45,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:45,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:52:45,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:45,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:45,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:45,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:52:45,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:52:45,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:45,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-28 09:52:45,958 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:45,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:45,959 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:45,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:52:45,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:52:45,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:45,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:52:45,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:45,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:45,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:45,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:52:45,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:52:45,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:46,020 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,022 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:52:46,034 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 [2021-10-28 09:52:46,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:52:46,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:52:46,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:52:46,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:46,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,093 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:52:46,102 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 [2021-10-28 09:52:46,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:46,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:46,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:46,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,135 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:52:46,137 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 [2021-10-28 09:52:46,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:52:46,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:52:46,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:52:46,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-28 09:52:46,168 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,169 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:52:46,170 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 [2021-10-28 09:52:46,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:52:46,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:52:46,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:52:46,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:46,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,198 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:52:46,200 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:52:46,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:46,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:46,230 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:46,252 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,253 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:52:46,255 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 [2021-10-28 09:52:46,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,264 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:46,264 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:46,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:46,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,287 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:52:46,290 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 [2021-10-28 09:52:46,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:52:46,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:52:46,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:52:46,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:46,320 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,321 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:52:46,323 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 [2021-10-28 09:52:46,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,331 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:46,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:46,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:46,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,358 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:52:46,363 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 [2021-10-28 09:52:46,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:46,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:46,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:46,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,417 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:52:46,418 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 [2021-10-28 09:52:46,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:46,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:46,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:46,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,495 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,498 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 [2021-10-28 09:52:46,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:46,510 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:46,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:52:46,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:46,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,573 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,575 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 [2021-10-28 09:52:46,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,585 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,585 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:46,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:46,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:52:46,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:46,650 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,654 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,656 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 [2021-10-28 09:52:46,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:46,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:46,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:52:46,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-28 09:52:46,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,717 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:52:46,719 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 [2021-10-28 09:52:46,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:46,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:46,737 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:46,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-28 09:52:46,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,760 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:52:46,761 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 [2021-10-28 09:52:46,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:46,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:46,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:46,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:46,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:46,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:46,787 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:52:46,836 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 09:52:46,836 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 09:52:46,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:46,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:46,841 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:46,862 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:52:46,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:52:46,884 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:52:46,884 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:52:46,885 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0.base) ULTIMATE.start_test_fun_~x_ref~0.offset)_1 Supporting invariants [] [2021-10-28 09:52:46,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:47,017 INFO L297 tatePredicateManager]: 19 out of 19 supporting invariants were superfluous and have been removed [2021-10-28 09:52:47,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:52:47,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:52:47,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:52:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:52:47,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:52:47,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:52:47,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:52:47,231 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-28 09:52:47,232 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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) [2021-10-28 09:52:47,320 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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) Result 50 states and 67 transitions. Complement of second has 9 states. [2021-10-28 09:52:47,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:52:47,322 INFO L82 GeneralOperation]: Start removeUnreachable. 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) [2021-10-28 09:52:47,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 36 transitions. [2021-10-28 09:52:47,326 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-28 09:52:47,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:52:47,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 6 letters. Loop has 4 letters. [2021-10-28 09:52:47,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:52:47,327 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 36 transitions. Stem has 2 letters. Loop has 8 letters. [2021-10-28 09:52:47,327 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:52:47,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 67 transitions. [2021-10-28 09:52:47,337 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-10-28 09:52:47,342 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 25 states and 39 transitions. [2021-10-28 09:52:47,343 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-10-28 09:52:47,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 09:52:47,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 39 transitions. [2021-10-28 09:52:47,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:52:47,344 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 39 transitions. [2021-10-28 09:52:47,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 39 transitions. [2021-10-28 09:52:47,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2021-10-28 09:52:47,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 states have internal predecessors, (37), 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) [2021-10-28 09:52:47,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 37 transitions. [2021-10-28 09:52:47,372 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 37 transitions. [2021-10-28 09:52:47,372 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 37 transitions. [2021-10-28 09:52:47,372 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:52:47,372 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 37 transitions. [2021-10-28 09:52:47,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2021-10-28 09:52:47,377 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:52:47,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:52:47,380 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:52:47,380 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:52:47,381 INFO L791 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 188#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 203#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 201#L555-1 [2021-10-28 09:52:47,381 INFO L793 eck$LassoCheckResult]: Loop: 201#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 204#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 206#L556 assume test_fun_#t~mem8 > 0;havoc test_fun_#t~mem8;call test_fun_#t~mem9 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_#t~mem9 - 1, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);havoc test_fun_#t~mem9; 194#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 201#L555-1 [2021-10-28 09:52:47,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:47,382 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-28 09:52:47,382 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:47,383 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854624224] [2021-10-28 09:52:47,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:47,383 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:47,418 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:52:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:47,437 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:52:47,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:47,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1298969, now seen corresponding path program 1 times [2021-10-28 09:52:47,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:47,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812565487] [2021-10-28 09:52:47,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:47,438 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:47,446 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:52:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:47,455 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:52:47,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:47,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1806908732, now seen corresponding path program 1 times [2021-10-28 09:52:47,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:47,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186627492] [2021-10-28 09:52:47,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:47,456 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:52:47,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:52:47,553 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:52:47,553 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186627492] [2021-10-28 09:52:47,553 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186627492] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:52:47,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:52:47,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:52:47,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816722048] [2021-10-28 09:52:47,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:52:47,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:52:47,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:52:47,794 INFO L87 Difference]: Start difference. First operand 24 states and 37 transitions. cyclomatic complexity: 15 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:52:47,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:47,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:52:47,842 INFO L93 Difference]: Finished difference Result 38 states and 55 transitions. [2021-10-28 09:52:47,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:52:47,843 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 55 transitions. [2021-10-28 09:52:47,846 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-10-28 09:52:47,852 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 28 states and 39 transitions. [2021-10-28 09:52:47,852 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2021-10-28 09:52:47,852 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-28 09:52:47,852 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 39 transitions. [2021-10-28 09:52:47,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:52:47,852 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2021-10-28 09:52:47,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 39 transitions. [2021-10-28 09:52:47,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 14. [2021-10-28 09:52:47,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:52:47,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2021-10-28 09:52:47,855 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-10-28 09:52:47,855 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-10-28 09:52:47,855 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:52:47,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2021-10-28 09:52:47,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:52:47,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:52:47,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:52:47,856 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:52:47,856 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:52:47,856 INFO L791 eck$LassoCheckResult]: Stem: 261#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 262#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 274#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 272#L555-1 [2021-10-28 09:52:47,856 INFO L793 eck$LassoCheckResult]: Loop: 272#L555-1 assume test_fun_#t~short7; 263#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 264#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 267#L559 assume test_fun_#t~mem10 > 0;havoc test_fun_#t~mem10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 268#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 272#L555-1 [2021-10-28 09:52:47,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:47,857 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 2 times [2021-10-28 09:52:47,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:47,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75743749] [2021-10-28 09:52:47,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:47,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:47,884 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:52:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:47,898 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:52:47,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:47,898 INFO L85 PathProgramCache]: Analyzing trace with hash 38423515, now seen corresponding path program 1 times [2021-10-28 09:52:47,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:47,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075760851] [2021-10-28 09:52:47,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:47,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:47,910 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:52:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:47,918 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:52:47,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:47,919 INFO L85 PathProgramCache]: Analyzing trace with hash 177751320, now seen corresponding path program 1 times [2021-10-28 09:52:47,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:47,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501055983] [2021-10-28 09:52:47,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:47,919 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:52:47,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:52:47,970 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:52:47,970 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501055983] [2021-10-28 09:52:47,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501055983] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:52:47,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:52:47,971 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:52:47,971 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596892900] [2021-10-28 09:52:48,106 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:52:48,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:52:48,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:52:48,107 INFO L87 Difference]: Start difference. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:52:48,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:52:48,136 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2021-10-28 09:52:48,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:52:48,137 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2021-10-28 09:52:48,138 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:52:48,138 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 15 transitions. [2021-10-28 09:52:48,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-28 09:52:48,138 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-28 09:52:48,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2021-10-28 09:52:48,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:52:48,139 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-28 09:52:48,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2021-10-28 09:52:48,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2021-10-28 09:52:48,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:52:48,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2021-10-28 09:52:48,140 INFO L704 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-28 09:52:48,140 INFO L587 BuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2021-10-28 09:52:48,140 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:52:48,140 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2021-10-28 09:52:48,141 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:52:48,141 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:52:48,141 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:52:48,141 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:52:48,141 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:52:48,141 INFO L791 eck$LassoCheckResult]: Stem: 301#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 302#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 312#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 310#L555-1 [2021-10-28 09:52:48,141 INFO L793 eck$LassoCheckResult]: Loop: 310#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 303#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 304#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 307#L559 assume test_fun_#t~mem10 > 0;havoc test_fun_#t~mem10;call test_fun_#t~mem11 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(test_fun_#t~mem11 - 1, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);havoc test_fun_#t~mem11; 308#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 310#L555-1 [2021-10-28 09:52:48,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:48,142 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 3 times [2021-10-28 09:52:48,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:48,142 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353417225] [2021-10-28 09:52:48,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:48,142 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:48,159 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:52:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:48,171 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:52:48,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:48,172 INFO L85 PathProgramCache]: Analyzing trace with hash 40270557, now seen corresponding path program 1 times [2021-10-28 09:52:48,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:48,172 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638449496] [2021-10-28 09:52:48,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:48,173 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:48,180 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:52:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:48,192 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:52:48,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:48,192 INFO L85 PathProgramCache]: Analyzing trace with hash 179598362, now seen corresponding path program 1 times [2021-10-28 09:52:48,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:48,193 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877066650] [2021-10-28 09:52:48,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:48,193 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:48,208 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:52:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:48,228 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:52:49,093 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:52:49,093 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:52:49,093 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:52:49,093 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:52:49,093 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:52:49,093 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:49,093 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:52:49,094 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:52:49,094 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.12-alloca.i_Iteration4_Lasso [2021-10-28 09:52:49,094 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:52:49,094 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:52:49,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:49,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:52:50,348 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:52:50,348 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:52:50,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:50,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:50,353 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:50,383 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 [2021-10-28 09:52:50,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:50,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:52:50,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:50,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:50,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:50,393 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:52:50,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:52:50,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:52:50,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:50,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:50,444 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:50,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:50,445 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:50,448 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 [2021-10-28 09:52:50,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:50,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:52:50,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:50,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:50,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:50,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:52:50,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:52:50,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:52:50,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:50,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:50,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:50,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:50,510 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:50,512 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 [2021-10-28 09:52:50,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:50,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:50,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:50,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:50,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:50,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:50,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:52:50,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:50,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:50,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:50,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:50,589 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:50,594 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 [2021-10-28 09:52:50,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:50,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:50,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:50,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:50,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:50,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:50,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:52:50,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:50,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-28 09:52:50,655 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:50,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:50,656 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:50,659 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 [2021-10-28 09:52:50,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:52:50,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:50,667 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 09:52:50,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:50,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:50,674 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 09:52:50,674 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:50,697 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:50,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:50,733 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:50,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:50,734 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:50,742 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 [2021-10-28 09:52:50,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:50,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:50,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:50,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:50,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:50,753 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:50,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:52:50,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:50,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:50,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:50,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:50,802 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:50,804 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 [2021-10-28 09:52:50,813 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:50,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:50,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:50,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:50,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:50,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:50,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:52:50,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:50,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:50,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:50,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:50,861 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:50,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:52:50,862 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 [2021-10-28 09:52:50,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:50,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:50,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:50,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:50,870 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:50,870 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:50,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:50,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-28 09:52:50,906 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:50,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:50,907 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:50,916 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 [2021-10-28 09:52:50,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:52:50,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:50,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:50,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:50,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:50,926 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:50,926 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:50,930 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:52:50,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-28 09:52:50,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:50,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:50,949 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:50,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:52:50,951 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 [2021-10-28 09:52:50,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:52:50,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:52:50,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:52:50,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:52:50,963 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:52:50,963 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:52:50,985 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:52:50,993 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-28 09:52:50,994 INFO L444 ModelExtractionUtils]: 11 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-28 09:52:50,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:52:50,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:52:50,995 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:52:50,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:52:50,996 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:52:51,004 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:52:51,004 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:52:51,004 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0.base) ULTIMATE.start_test_fun_~y_ref~0.offset)_2 Supporting invariants [] [2021-10-28 09:52:51,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:51,076 INFO L297 tatePredicateManager]: 20 out of 20 supporting invariants were superfluous and have been removed [2021-10-28 09:52:51,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:52:51,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:52:51,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:52:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:52:51,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:52:51,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:52:51,215 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-10-28 09:52:51,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:52:51,230 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-10-28 09:52:51,230 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:52:51,274 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 38 transitions. Complement of second has 8 states. [2021-10-28 09:52:51,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-28 09:52:51,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:52:51,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-10-28 09:52:51,275 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 5 letters. [2021-10-28 09:52:51,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:52:51,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 8 letters. Loop has 5 letters. [2021-10-28 09:52:51,276 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:52:51,276 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 3 letters. Loop has 10 letters. [2021-10-28 09:52:51,277 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:52:51,277 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2021-10-28 09:52:51,280 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:52:51,282 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 31 states and 38 transitions. [2021-10-28 09:52:51,282 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2021-10-28 09:52:51,282 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 09:52:51,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2021-10-28 09:52:51,282 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:52:51,283 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2021-10-28 09:52:51,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2021-10-28 09:52:51,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2021-10-28 09:52:51,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 states have internal predecessors, (32), 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) [2021-10-28 09:52:51,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-10-28 09:52:51,289 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-28 09:52:51,289 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-28 09:52:51,289 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:52:51,289 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2021-10-28 09:52:51,291 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-28 09:52:51,291 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:52:51,291 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:52:51,292 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 09:52:51,292 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-10-28 09:52:51,293 INFO L791 eck$LassoCheckResult]: Stem: 476#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 477#L-1 havoc main_#res;havoc main_#t~nondet13, main_#t~nondet14, main_#t~ret15;test_fun_#in~x, test_fun_#in~y := main_#t~nondet13, main_#t~nondet14;havoc test_fun_#res;havoc test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset, test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset, test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset, test_fun_#t~mem8, test_fun_#t~mem9, test_fun_#t~mem10, test_fun_#t~mem11, test_fun_#t~mem5, test_fun_#t~mem6, test_fun_#t~short7, test_fun_#t~mem12, test_fun_~x, test_fun_~y, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, test_fun_~c~0.base, test_fun_~c~0.offset;test_fun_~x := test_fun_#in~x;test_fun_~y := test_fun_#in~y;call test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset := test_fun_#t~malloc2.base, test_fun_#t~malloc2.offset;call test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset := test_fun_#t~malloc3.base, test_fun_#t~malloc3.offset;call test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset := #Ultimate.allocOnStack(4);test_fun_~c~0.base, test_fun_~c~0.offset := test_fun_#t~malloc4.base, test_fun_#t~malloc4.offset;call write~int(test_fun_~x, test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);call write~int(test_fun_~y, test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);call write~int(0, test_fun_~c~0.base, test_fun_~c~0.offset, 4); 491#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 497#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 478#L555-3 [2021-10-28 09:52:51,293 INFO L793 eck$LassoCheckResult]: Loop: 478#L555-3 assume !!test_fun_#t~short7;havoc test_fun_#t~mem5;havoc test_fun_#t~mem6;havoc test_fun_#t~short7;call test_fun_#t~mem8 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4); 479#L556 assume !(test_fun_#t~mem8 > 0);havoc test_fun_#t~mem8;call test_fun_#t~mem10 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4); 482#L559 assume !(test_fun_#t~mem10 > 0);havoc test_fun_#t~mem10; 483#L559-2 call test_fun_#t~mem5 := read~int(test_fun_~x_ref~0.base, test_fun_~x_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem5 > 0; 489#L555-1 assume !test_fun_#t~short7;call test_fun_#t~mem6 := read~int(test_fun_~y_ref~0.base, test_fun_~y_ref~0.offset, 4);test_fun_#t~short7 := test_fun_#t~mem6 > 0; 478#L555-3 [2021-10-28 09:52:51,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:51,293 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-10-28 09:52:51,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:51,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242351325] [2021-10-28 09:52:51,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:51,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:51,324 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:52:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:51,349 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:52:51,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:51,351 INFO L85 PathProgramCache]: Analyzing trace with hash 45964859, now seen corresponding path program 1 times [2021-10-28 09:52:51,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:51,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970093056] [2021-10-28 09:52:51,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:51,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:51,358 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:52:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:52:51,368 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:52:51,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:52:51,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1272583860, now seen corresponding path program 1 times [2021-10-28 09:52:51,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:52:51,370 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863630006] [2021-10-28 09:52:51,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:52:51,370 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:52:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:52:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:52:51,431 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:52:51,432 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863630006] [2021-10-28 09:52:51,433 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863630006] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:52:51,434 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:52:51,434 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:52:51,434 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239284590] [2021-10-28 09:52:51,550 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:52:51,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:52:51,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:52:51,554 INFO L87 Difference]: Start difference. First operand 25 states and 32 transitions. cyclomatic complexity: 11 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:52:51,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:52:51,580 INFO L93 Difference]: Finished difference Result 23 states and 28 transitions. [2021-10-28 09:52:51,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:52:51,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2021-10-28 09:52:51,581 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:52:51,581 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2021-10-28 09:52:51,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:52:51,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:52:51,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:52:51,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:52:51,582 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:52:51,582 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:52:51,582 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:52:51,582 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:52:51,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:52:51,582 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:52:51,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:52:51,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:52:51 BoogieIcfgContainer [2021-10-28 09:52:51,589 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:52:51,590 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:52:51,590 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:52:51,590 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:52:51,590 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:52:43" (3/4) ... [2021-10-28 09:52:51,596 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:52:51,597 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:52:51,598 INFO L168 Benchmark]: Toolchain (without parser) took 9135.74 ms. Allocated memory was 113.2 MB in the beginning and 186.6 MB in the end (delta: 73.4 MB). Free memory was 83.5 MB in the beginning and 108.2 MB in the end (delta: -24.7 MB). Peak memory consumption was 47.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:52:51,598 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 113.2 MB. Free memory is still 66.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:52:51,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.39 ms. Allocated memory was 113.2 MB in the beginning and 155.2 MB in the end (delta: 41.9 MB). Free memory was 83.1 MB in the beginning and 123.7 MB in the end (delta: -40.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:52:51,600 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.80 ms. Allocated memory is still 155.2 MB. Free memory was 123.7 MB in the beginning and 121.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:52:51,600 INFO L168 Benchmark]: Boogie Preprocessor took 23.63 ms. Allocated memory is still 155.2 MB. Free memory was 121.8 MB in the beginning and 120.8 MB in the end (delta: 962.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:52:51,600 INFO L168 Benchmark]: RCFGBuilder took 297.54 ms. Allocated memory is still 155.2 MB. Free memory was 120.8 MB in the beginning and 109.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:52:51,603 INFO L168 Benchmark]: BuchiAutomizer took 8355.03 ms. Allocated memory was 155.2 MB in the beginning and 186.6 MB in the end (delta: 31.5 MB). Free memory was 109.2 MB in the beginning and 108.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:52:51,603 INFO L168 Benchmark]: Witness Printer took 7.00 ms. Allocated memory is still 186.6 MB. Free memory is still 108.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:52:51,605 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 113.2 MB. Free memory is still 66.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 403.39 ms. Allocated memory was 113.2 MB in the beginning and 155.2 MB in the end (delta: 41.9 MB). Free memory was 83.1 MB in the beginning and 123.7 MB in the end (delta: -40.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.80 ms. Allocated memory is still 155.2 MB. Free memory was 123.7 MB in the beginning and 121.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.63 ms. Allocated memory is still 155.2 MB. Free memory was 121.8 MB in the beginning and 120.8 MB in the end (delta: 962.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 297.54 ms. Allocated memory is still 155.2 MB. Free memory was 120.8 MB in the beginning and 109.7 MB in the end (delta: 11.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 8355.03 ms. Allocated memory was 155.2 MB in the beginning and 186.6 MB in the end (delta: 31.5 MB). Free memory was 109.2 MB in the beginning and 108.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * Witness Printer took 7.00 ms. Allocated memory is still 186.6 MB. Free memory is still 108.2 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 5 terminating modules (3 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. 3 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.2s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 7.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 21 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 4. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 34 SDtfs, 52 SDslu, 34 SDs, 0 SdLazy, 110 SolverSat, 18 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital257 mio100 ax107 hnf100 lsp91 ukn81 mio100 lsp29 div100 bol100 ite100 ukn100 eq176 hnf89 smp91 dnf132 smp80 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 6 VariablesLoop: 5 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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! [2021-10-28 09:52:51,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 09:52:51,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e7e06f4-ad9a-4853-b90b-59f4828a9e1f/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...