./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/list-ext-properties/simple-ext.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/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_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/list-ext-properties/simple-ext.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/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 32bit --witnessprinter.graph.data.programhash 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 09:36:47,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:36:47,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:36:47,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:36:47,185 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:36:47,187 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:36:47,190 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:36:47,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:36:47,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:36:47,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:36:47,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:36:47,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:36:47,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:36:47,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:36:47,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:36:47,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:36:47,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:36:47,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:36:47,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:36:47,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:36:47,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:36:47,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:36:47,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:36:47,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:36:47,227 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:36:47,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:36:47,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:36:47,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:36:47,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:36:47,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:36:47,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:36:47,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:36:47,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:36:47,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:36:47,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:36:47,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:36:47,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:36:47,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:36:47,237 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:36:47,238 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:36:47,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:36:47,239 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:36:47,265 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:36:47,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:36:47,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:36:47,265 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:36:47,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:36:47,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:36:47,267 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:36:47,267 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:36:47,267 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:36:47,267 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:36:47,268 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:36:47,268 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:36:47,268 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:36:47,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:36:47,268 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:36:47,269 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:36:47,269 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:36:47,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:36:47,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:36:47,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:36:47,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:36:47,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:36:47,270 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:36:47,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:36:47,270 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:36:47,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:36:47,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:36:47,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:36:47,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:36:47,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:36:47,272 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:36:47,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:36:47,273 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:36:47,273 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_2edd8b70-4674-49dc-95e8-8ee9b06db4de/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79d8454f49f42d774b494771accf13f0b47382db45ac5cfdb4c7afee633f8cd7 [2021-10-28 09:36:47,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:36:47,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:36:47,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:36:47,583 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:36:47,584 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:36:47,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-10-28 09:36:47,643 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/data/2130ff476/44da7d7fbbc14bf5bb89e2772cc019ef/FLAGace0e3e8e [2021-10-28 09:36:48,150 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:36:48,151 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/sv-benchmarks/c/list-ext-properties/simple-ext.i [2021-10-28 09:36:48,162 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/data/2130ff476/44da7d7fbbc14bf5bb89e2772cc019ef/FLAGace0e3e8e [2021-10-28 09:36:48,474 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/data/2130ff476/44da7d7fbbc14bf5bb89e2772cc019ef [2021-10-28 09:36:48,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:36:48,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:36:48,482 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:36:48,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:36:48,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:36:48,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:36:48" (1/1) ... [2021-10-28 09:36:48,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ec09e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:48, skipping insertion in model container [2021-10-28 09:36:48,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:36:48" (1/1) ... [2021-10-28 09:36:48,508 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:36:48,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:36:48,878 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-10-28 09:36:48,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:36:48,892 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:36:48,944 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/sv-benchmarks/c/list-ext-properties/simple-ext.i[23272,23285] [2021-10-28 09:36:48,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:36:48,977 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:36:48,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:48 WrapperNode [2021-10-28 09:36:48,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:36:48,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:36:48,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:36:48,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:36:48,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:48" (1/1) ... [2021-10-28 09:36:49,000 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:48" (1/1) ... [2021-10-28 09:36:49,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:36:49,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:36:49,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:36:49,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:36:49,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:48" (1/1) ... [2021-10-28 09:36:49,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:48" (1/1) ... [2021-10-28 09:36:49,039 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:48" (1/1) ... [2021-10-28 09:36:49,039 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:48" (1/1) ... [2021-10-28 09:36:49,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:48" (1/1) ... [2021-10-28 09:36:49,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:48" (1/1) ... [2021-10-28 09:36:49,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:48" (1/1) ... [2021-10-28 09:36:49,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:36:49,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:36:49,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:36:49,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:36:49,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:48" (1/1) ... [2021-10-28 09:36:49,112 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:49,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:49,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:49,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:36:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:36:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:36:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:36:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 09:36:49,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:36:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 09:36:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 09:36:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:36:49,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:36:49,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:36:49,619 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:36:49,620 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-28 09:36:49,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:36:49 BoogieIcfgContainer [2021-10-28 09:36:49,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:36:49,622 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:36:49,623 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:36:49,626 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:36:49,626 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:36:49,626 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:36:48" (1/3) ... [2021-10-28 09:36:49,629 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@280a0d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:36:49, skipping insertion in model container [2021-10-28 09:36:49,630 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:36:49,630 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:36:48" (2/3) ... [2021-10-28 09:36:49,630 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@280a0d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:36:49, skipping insertion in model container [2021-10-28 09:36:49,631 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:36:49,631 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:36:49" (3/3) ... [2021-10-28 09:36:49,632 INFO L389 chiAutomizerObserver]: Analyzing ICFG simple-ext.i [2021-10-28 09:36:49,671 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:36:49,671 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:36:49,671 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:36:49,671 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:36:49,671 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:36:49,671 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:36:49,672 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:36:49,672 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:36:49,682 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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 09:36:49,697 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-10-28 09:36:49,697 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:36:49,697 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:36:49,702 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:36:49,702 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:36:49,702 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:36:49,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 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 09:36:49,704 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-10-28 09:36:49,705 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:36:49,705 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:36:49,705 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:36:49,705 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:36:49,711 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 10#L-1true havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 11#L533true assume main_~a~0.base == 0 && main_~a~0.offset == 0;myexit_#in~s := 1;havoc myexit_~s;myexit_~s := myexit_#in~s; 3#L525true [2021-10-28 09:36:49,712 INFO L793 eck$LassoCheckResult]: Loop: 3#L525true assume true; 3#L525true [2021-10-28 09:36:49,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:49,717 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-10-28 09:36:49,726 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:49,726 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627014886] [2021-10-28 09:36:49,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:49,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:36:49,902 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 09:36:49,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:36:49,903 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627014886] [2021-10-28 09:36:49,905 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627014886] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:36:49,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:36:49,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:36:49,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816681014] [2021-10-28 09:36:49,912 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:36:49,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:49,915 INFO L85 PathProgramCache]: Analyzing trace with hash 101, now seen corresponding path program 1 times [2021-10-28 09:36:49,915 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:49,915 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361082039] [2021-10-28 09:36:49,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:49,916 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:49,952 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:36:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:49,968 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:36:49,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:36:50,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:36:50,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:36:50,005 INFO L87 Difference]: Start difference. First operand has 20 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 19 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 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 09:36:50,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:36:50,023 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2021-10-28 09:36:50,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:36:50,025 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 22 transitions. [2021-10-28 09:36:50,026 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 09:36:50,030 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 17 transitions. [2021-10-28 09:36:50,031 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 09:36:50,031 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 09:36:50,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2021-10-28 09:36:50,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:36:50,032 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-10-28 09:36:50,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2021-10-28 09:36:50,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-10-28 09:36:50,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 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 09:36:50,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2021-10-28 09:36:50,063 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-10-28 09:36:50,063 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2021-10-28 09:36:50,063 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:36:50,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2021-10-28 09:36:50,067 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 09:36:50,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:36:50,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:36:50,067 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-28 09:36:50,067 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:36:50,068 INFO L791 eck$LassoCheckResult]: Stem: 50#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 51#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 56#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 57#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 49#L537-2 [2021-10-28 09:36:50,068 INFO L793 eck$LassoCheckResult]: Loop: 49#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 58#L540 assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); 48#L540-1 call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem8.base, main_#t~mem8.offset;havoc main_#t~mem8.base, main_#t~mem8.offset;main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 49#L537-2 [2021-10-28 09:36:50,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:50,069 INFO L85 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2021-10-28 09:36:50,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:50,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193304930] [2021-10-28 09:36:50,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:50,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:50,103 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:36:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:50,136 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:36:50,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:50,144 INFO L85 PathProgramCache]: Analyzing trace with hash 48852, now seen corresponding path program 1 times [2021-10-28 09:36:50,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:50,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67993613] [2021-10-28 09:36:50,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:50,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:50,194 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:36:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:50,226 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:36:50,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:50,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1807773776, now seen corresponding path program 1 times [2021-10-28 09:36:50,227 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:50,227 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285409136] [2021-10-28 09:36:50,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:50,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:50,282 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:36:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:50,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:36:51,210 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:36:51,211 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:36:51,211 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:36:51,211 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:36:51,211 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:36:51,212 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:51,212 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:36:51,212 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:36:51,212 INFO L133 ssoRankerPreferences]: Filename of dumped script: simple-ext.i_Iteration2_Lasso [2021-10-28 09:36:51,212 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:36:51,213 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:36:51,238 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 09:36:51,243 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 09:36:51,246 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 09:36:51,248 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 09:36:51,250 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 09:36:51,254 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 09:36:51,256 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 09:36:51,260 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 09:36:51,263 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 09:36:51,266 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 09:36:51,269 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 09:36:51,272 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 09:36:51,274 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 09:36:51,276 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 09:36:51,279 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 09:36:51,281 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 09:36:51,283 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 09:36:51,285 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 09:36:51,287 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 09:36:51,289 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 09:36:51,291 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 09:36:51,294 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 09:36:51,296 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 09:36:51,608 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 09:36:52,029 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:36:52,033 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:36:52,047 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,049 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:36:52,057 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 09:36:52,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:52,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:52,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:52,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,133 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 09:36:52,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:52,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,143 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:52,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:52,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:36:52,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-28 09:36:52,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,201 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:36:52,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:52,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:52,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:52,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:36:52,232 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,261 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:36:52,265 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 09:36:52,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:52,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,273 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:52,273 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:52,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,324 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:36:52,331 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 09:36:52,338 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,338 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:36:52,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:36:52,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,394 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,399 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 09:36:52,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:52,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:52,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:52,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:36:52,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,441 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:36:52,445 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 09:36:52,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:36:52,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:36:52,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,489 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:36:52,493 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 09:36:52,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:36:52,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:36:52,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,538 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,538 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:36:52,541 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 09:36:52,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:52,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:52,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:52,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,579 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,581 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 09:36:52,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:36:52,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:52,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:52,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:52,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,619 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,620 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:36:52,621 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 09:36:52,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,631 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:36:52,631 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:36:52,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,695 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,696 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:36:52,708 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 09:36:52,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:52,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,718 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:52,718 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:52,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-28 09:36:52,744 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,745 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:36:52,749 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 09:36:52,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:52,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,757 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:52,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:52,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,778 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:36:52,779 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 09:36:52,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:52,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,786 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 09:36:52,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,787 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:36:52,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:52,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,810 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:36:52,813 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 09:36:52,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:52,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:52,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:52,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,842 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:36:52,847 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 09:36:52,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,858 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:36:52,858 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:36:52,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,881 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:36:52,884 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 09:36:52,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:52,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,892 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:52,892 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:52,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,914 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,915 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:36:52,919 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 09:36:52,926 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,926 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:52,926 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,926 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,926 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:52,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:52,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,958 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:52,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:36:52,968 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 09:36:52,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:52,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:52,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:52,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:52,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:52,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:52,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:52,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:52,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:52,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:52,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:52,996 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:53,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:36:53,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:36:53,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:53,007 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:53,007 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:53,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:53,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:53,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:53,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:53,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:53,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:53,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:53,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:53,065 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:53,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:36:53,066 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 09:36:53,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:53,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:53,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:53,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:53,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:53,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:53,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:53,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:53,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:53,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:53,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:53,125 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:53,127 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 09:36:53,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:53,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:53,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:53,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:53,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:53,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:53,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:53,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:36:53,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:53,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-10-28 09:36:53,171 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:53,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:53,172 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:53,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:36:53,173 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 09:36:53,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:53,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:53,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:53,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:53,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:36:53,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:36:53,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:53,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-28 09:36:53,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:53,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:53,208 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:53,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:36:53,216 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 09:36:53,222 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:53,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:53,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:53,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:53,226 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:36:53,226 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:36:53,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:53,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:53,277 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:53,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:53,290 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:53,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:36:53,291 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 09:36:53,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:53,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:53,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:53,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:53,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:36:53,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:36:53,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:53,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:53,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:53,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:53,323 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:53,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:36:53,325 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 09:36:53,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:53,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:36:53,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:53,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:53,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:53,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:36:53,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:36:53,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:36:53,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 09:36:53,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:53,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:53,353 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:53,355 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 09:36:53,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:36:53,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:36:53,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:36:53,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:36:53,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:36:53,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:36:53,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:36:53,375 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:36:53,407 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-28 09:36:53,408 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-10-28 09:36:53,410 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:36:53,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:53,415 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:36:53,417 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:36:53,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:36:53,449 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:36:53,449 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:36:53,450 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 59 Supporting invariants [] [2021-10-28 09:36:53,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:53,522 INFO L297 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2021-10-28 09:36:53,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:36:53,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:36:53,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:36:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:36:53,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:36:53,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:36:53,677 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 09:36:53,680 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:36:53,680 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 09:36:53,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:53,728 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 26 transitions. Complement of second has 7 states. [2021-10-28 09:36:53,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:36:53,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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 09:36:53,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2021-10-28 09:36:53,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 3 letters. [2021-10-28 09:36:53,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:36:53,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 7 letters. Loop has 3 letters. [2021-10-28 09:36:53,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:36:53,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 4 letters. Loop has 6 letters. [2021-10-28 09:36:53,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:36:53,733 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 26 transitions. [2021-10-28 09:36:53,738 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-10-28 09:36:53,739 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 16 states and 21 transitions. [2021-10-28 09:36:53,739 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-28 09:36:53,740 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-10-28 09:36:53,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-10-28 09:36:53,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:36:53,740 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-28 09:36:53,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-10-28 09:36:53,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-28 09:36:53,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:36:53,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2021-10-28 09:36:53,743 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-28 09:36:53,743 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-10-28 09:36:53,743 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:36:53,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2021-10-28 09:36:53,745 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-10-28 09:36:53,745 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:36:53,745 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:36:53,746 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:36:53,746 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:36:53,747 INFO L791 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 161#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 166#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 167#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 168#L537-2 assume !(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6; 163#L537-3 call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call write~$Pointer$(0, 0, main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 164#L549-2 [2021-10-28 09:36:53,747 INFO L793 eck$LassoCheckResult]: Loop: 164#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 172#L550 assume !(1 != main_#t~mem10);havoc main_#t~mem10; 173#L550-2 call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem11.base, main_#t~mem11.offset;havoc main_#t~mem11.base, main_#t~mem11.offset;main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 164#L549-2 [2021-10-28 09:36:53,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:53,748 INFO L85 PathProgramCache]: Analyzing trace with hash 889599219, now seen corresponding path program 1 times [2021-10-28 09:36:53,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:53,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125208408] [2021-10-28 09:36:53,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:53,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:53,777 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:36:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:53,807 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:36:53,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:53,808 INFO L85 PathProgramCache]: Analyzing trace with hash 69737, now seen corresponding path program 1 times [2021-10-28 09:36:53,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:53,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138673839] [2021-10-28 09:36:53,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:53,808 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:53,813 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:36:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:53,819 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:36:53,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:53,819 INFO L85 PathProgramCache]: Analyzing trace with hash 2102156855, now seen corresponding path program 1 times [2021-10-28 09:36:53,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:53,820 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540404099] [2021-10-28 09:36:53,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:53,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:36:53,877 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 09:36:53,877 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:36:53,878 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540404099] [2021-10-28 09:36:53,878 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540404099] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:36:53,878 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:36:53,878 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:36:53,878 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317607645] [2021-10-28 09:36:53,969 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:36:53,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:36:53,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:36:53,971 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 9 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 09:36:54,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:36:54,059 INFO L93 Difference]: Finished difference Result 30 states and 36 transitions. [2021-10-28 09:36:54,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:36:54,059 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2021-10-28 09:36:54,061 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 6 [2021-10-28 09:36:54,064 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 29 states and 35 transitions. [2021-10-28 09:36:54,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-10-28 09:36:54,065 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-10-28 09:36:54,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2021-10-28 09:36:54,066 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 09:36:54,066 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 35 transitions. [2021-10-28 09:36:54,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2021-10-28 09:36:54,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 18. [2021-10-28 09:36:54,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:36:54,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2021-10-28 09:36:54,069 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-10-28 09:36:54,069 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-10-28 09:36:54,070 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:36:54,070 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2021-10-28 09:36:54,071 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-10-28 09:36:54,071 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:36:54,071 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:36:54,072 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:36:54,072 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:36:54,072 INFO L791 eck$LassoCheckResult]: Stem: 220#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 221#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 226#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 227#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 231#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 228#L540 assume main_~t~0.base == 0 && main_~t~0.offset == 0;myexit_#in~s := 1;havoc myexit_~s;myexit_~s := myexit_#in~s; 229#L525-1 [2021-10-28 09:36:54,072 INFO L793 eck$LassoCheckResult]: Loop: 229#L525-1 assume true; 229#L525-1 [2021-10-28 09:36:54,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:54,073 INFO L85 PathProgramCache]: Analyzing trace with hash 889599272, now seen corresponding path program 1 times [2021-10-28 09:36:54,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:54,073 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673711009] [2021-10-28 09:36:54,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:54,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:36:54,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:36:54,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:36:54,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673711009] [2021-10-28 09:36:54,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673711009] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:36:54,127 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:36:54,127 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:36:54,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262899959] [2021-10-28 09:36:54,128 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:36:54,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:54,128 INFO L85 PathProgramCache]: Analyzing trace with hash 102, now seen corresponding path program 1 times [2021-10-28 09:36:54,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:54,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997445321] [2021-10-28 09:36:54,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:54,129 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:54,133 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:36:54,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:54,136 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:36:54,140 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:36:54,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:36:54,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:36:54,141 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 9 Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:36:54,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:36:54,148 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2021-10-28 09:36:54,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:36:54,149 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2021-10-28 09:36:54,151 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 5 [2021-10-28 09:36:54,152 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 21 transitions. [2021-10-28 09:36:54,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-28 09:36:54,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-28 09:36:54,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-10-28 09:36:54,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:36:54,153 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-10-28 09:36:54,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-10-28 09:36:54,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2021-10-28 09:36:54,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 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 09:36:54,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-10-28 09:36:54,157 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 09:36:54,157 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-28 09:36:54,157 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:36:54,157 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-10-28 09:36:54,159 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:36:54,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:36:54,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:36:54,160 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:36:54,160 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:36:54,160 INFO L791 eck$LassoCheckResult]: Stem: 263#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 264#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 269#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 270#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 271#L537-2 assume !(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6; 267#L537-3 call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call write~$Pointer$(0, 0, main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 268#L549-2 assume !(main_~p~0.base != 0 || main_~p~0.offset != 0); 266#L549-3 main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset; 265#L557-2 [2021-10-28 09:36:54,160 INFO L793 eck$LassoCheckResult]: Loop: 265#L557-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem13.base, main_#t~mem13.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~tmp~0.base, main_~tmp~0.offset := main_#t~mem13.base, main_#t~mem13.offset;havoc main_#t~mem13.base, main_#t~mem13.offset;call ULTIMATE.dealloc(main_~p~0.base, main_~p~0.offset);main_~p~0.base, main_~p~0.offset := main_~tmp~0.base, main_~tmp~0.offset; 265#L557-2 [2021-10-28 09:36:54,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:54,161 INFO L85 PathProgramCache]: Analyzing trace with hash 206358786, now seen corresponding path program 1 times [2021-10-28 09:36:54,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:54,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142324682] [2021-10-28 09:36:54,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:54,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:36:54,210 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 09:36:54,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:36:54,213 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142324682] [2021-10-28 09:36:54,213 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142324682] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:36:54,215 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:36:54,215 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:36:54,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435567332] [2021-10-28 09:36:54,216 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:36:54,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:54,216 INFO L85 PathProgramCache]: Analyzing trace with hash 93, now seen corresponding path program 1 times [2021-10-28 09:36:54,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:54,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157971395] [2021-10-28 09:36:54,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:54,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:54,221 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:36:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:54,228 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:36:54,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:36:54,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:36:54,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:36:54,306 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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 09:36:54,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:36:54,344 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2021-10-28 09:36:54,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:36:54,345 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2021-10-28 09:36:54,346 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:36:54,346 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 22 transitions. [2021-10-28 09:36:54,346 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-10-28 09:36:54,347 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-10-28 09:36:54,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2021-10-28 09:36:54,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:36:54,347 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-10-28 09:36:54,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2021-10-28 09:36:54,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2021-10-28 09:36:54,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 states have internal predecessors, (17), 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 09:36:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-10-28 09:36:54,349 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-28 09:36:54,349 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-10-28 09:36:54,349 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:36:54,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2021-10-28 09:36:54,353 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:36:54,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:36:54,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:36:54,354 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:36:54,354 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:36:54,354 INFO L791 eck$LassoCheckResult]: Stem: 310#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 311#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 316#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 317#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 319#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 318#L540 assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); 308#L540-1 call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem8.base, main_#t~mem8.offset;havoc main_#t~mem8.base, main_#t~mem8.offset;main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 309#L537-2 assume !(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6; 313#L537-3 call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call write~$Pointer$(0, 0, main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 314#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 320#L550 [2021-10-28 09:36:54,354 INFO L793 eck$LassoCheckResult]: Loop: 320#L550 assume !(1 != main_#t~mem10);havoc main_#t~mem10; 321#L550-2 call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem11.base, main_#t~mem11.offset;havoc main_#t~mem11.base, main_#t~mem11.offset;main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 322#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 320#L550 [2021-10-28 09:36:54,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:54,354 INFO L85 PathProgramCache]: Analyzing trace with hash 793653610, now seen corresponding path program 1 times [2021-10-28 09:36:54,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:54,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044072264] [2021-10-28 09:36:54,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:54,355 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:54,378 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:36:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:54,417 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:36:54,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:54,418 INFO L85 PathProgramCache]: Analyzing trace with hash 76517, now seen corresponding path program 2 times [2021-10-28 09:36:54,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:54,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328199196] [2021-10-28 09:36:54,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:54,418 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:54,422 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:36:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:54,439 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:36:54,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:54,439 INFO L85 PathProgramCache]: Analyzing trace with hash -60222244, now seen corresponding path program 1 times [2021-10-28 09:36:54,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:54,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169182414] [2021-10-28 09:36:54,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:54,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:36:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:36:54,577 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:36:54,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169182414] [2021-10-28 09:36:54,577 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169182414] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:36:54,577 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653533665] [2021-10-28 09:36:54,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:54,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:36:54,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:54,581 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:36:54,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2021-10-28 09:36:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:36:54,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 27 conjunts are in the unsatisfiable core [2021-10-28 09:36:54,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:36:54,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-28 09:36:54,756 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 09:36:54,756 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-28 09:36:54,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:36:54,823 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-28 09:36:54,904 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-10-28 09:36:54,904 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 2 case distinctions, treesize of input 34 treesize of output 22 [2021-10-28 09:36:54,942 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-28 09:36:54,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 16 [2021-10-28 09:36:54,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:36:54,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653533665] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:36:54,951 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:36:54,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 12 [2021-10-28 09:36:54,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262480458] [2021-10-28 09:36:55,042 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:36:55,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-28 09:36:55,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-10-28 09:36:55,043 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 5 Second operand has 12 states, 12 states have (on average 1.8333333333333333) internal successors, (22), 12 states have internal predecessors, (22), 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 09:36:55,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:36:55,198 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2021-10-28 09:36:55,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:36:55,199 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 27 transitions. [2021-10-28 09:36:55,199 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:36:55,200 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 22 states and 24 transitions. [2021-10-28 09:36:55,200 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-28 09:36:55,200 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-28 09:36:55,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 24 transitions. [2021-10-28 09:36:55,200 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:36:55,200 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 24 transitions. [2021-10-28 09:36:55,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 24 transitions. [2021-10-28 09:36:55,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 18. [2021-10-28 09:36:55,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 17 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 09:36:55,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2021-10-28 09:36:55,202 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-10-28 09:36:55,202 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 20 transitions. [2021-10-28 09:36:55,202 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:36:55,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 20 transitions. [2021-10-28 09:36:55,203 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 09:36:55,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:36:55,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:36:55,203 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:36:55,203 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-28 09:36:55,204 INFO L791 eck$LassoCheckResult]: Stem: 409#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13); 410#L-1 havoc main_#res;havoc main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~mem8.base, main_#t~mem8.offset, main_#t~post9, main_#t~nondet6, main_#t~mem10, main_#t~mem11.base, main_#t~mem11.offset, main_#t~post12, main_#t~mem13.base, main_#t~mem13.offset, main_~tmp~0.base, main_~tmp~0.offset, main_~a~0.base, main_~a~0.offset, main_~t~0.base, main_~t~0.offset, main_~p~0.base, main_~p~0.offset, main_~i~0;call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnHeap(8);main_~a~0.base, main_~a~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;havoc main_#t~malloc5.base, main_#t~malloc5.offset; 415#L533 assume !(main_~a~0.base == 0 && main_~a~0.offset == 0); 416#L533-1 havoc main_~t~0.base, main_~t~0.offset;main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 419#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 420#L540 assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); 407#L540-1 call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem8.base, main_#t~mem8.offset;havoc main_#t~mem8.base, main_#t~mem8.offset;main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 408#L537-2 assume !!(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6;call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnHeap(8);main_~t~0.base, main_~t~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;havoc main_#t~malloc7.base, main_#t~malloc7.offset; 417#L540 assume !(main_~t~0.base == 0 && main_~t~0.offset == 0); 418#L540-1 call write~$Pointer$(main_~t~0.base, main_~t~0.offset, main_~p~0.base, 4 + main_~p~0.offset, 4);call main_#t~mem8.base, main_#t~mem8.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem8.base, main_#t~mem8.offset;havoc main_#t~mem8.base, main_#t~mem8.offset;main_#t~post9 := main_~i~0;main_~i~0 := 1 + main_#t~post9;havoc main_#t~post9; 424#L537-2 assume !(main_~i~0 < 30 && 0 != main_#t~nondet6);havoc main_#t~nondet6; 412#L537-3 call write~int(main_~i~0, main_~p~0.base, main_~p~0.offset, 4);call write~$Pointer$(0, 0, main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_~a~0.base, main_~a~0.offset;main_~i~0 := 0; 413#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 421#L550 [2021-10-28 09:36:55,204 INFO L793 eck$LassoCheckResult]: Loop: 421#L550 assume !(1 != main_#t~mem10);havoc main_#t~mem10; 422#L550-2 call main_#t~mem11.base, main_#t~mem11.offset := read~$Pointer$(main_~p~0.base, 4 + main_~p~0.offset, 4);main_~p~0.base, main_~p~0.offset := main_#t~mem11.base, main_#t~mem11.offset;havoc main_#t~mem11.base, main_#t~mem11.offset;main_#t~post12 := main_~i~0;main_~i~0 := 1 + main_#t~post12;havoc main_#t~post12; 423#L549-2 assume !!(main_~p~0.base != 0 || main_~p~0.offset != 0);call main_#t~mem10 := read~int(main_~p~0.base, main_~p~0.offset, 4); 421#L550 [2021-10-28 09:36:55,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:55,204 INFO L85 PathProgramCache]: Analyzing trace with hash -8921739, now seen corresponding path program 2 times [2021-10-28 09:36:55,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:55,204 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040881871] [2021-10-28 09:36:55,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:55,205 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:55,227 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:36:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:55,278 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:36:55,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:55,282 INFO L85 PathProgramCache]: Analyzing trace with hash 76517, now seen corresponding path program 3 times [2021-10-28 09:36:55,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:55,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110807374] [2021-10-28 09:36:55,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:55,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:55,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:55,288 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:36:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:36:55,292 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:36:55,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:36:55,293 INFO L85 PathProgramCache]: Analyzing trace with hash 500492529, now seen corresponding path program 2 times [2021-10-28 09:36:55,293 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:36:55,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449006108] [2021-10-28 09:36:55,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:36:55,294 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:36:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:36:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:36:55,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:36:55,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449006108] [2021-10-28 09:36:55,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449006108] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:36:55,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1045298689] [2021-10-28 09:36:55,466 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 09:36:55,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:36:55,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:36:55,468 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:36:55,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2021-10-28 09:36:55,559 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 09:36:55,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:36:55,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 36 conjunts are in the unsatisfiable core [2021-10-28 09:36:55,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:36:55,637 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 09:36:55,638 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-28 09:36:55,643 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-28 09:36:55,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-28 09:36:55,707 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2021-10-28 09:36:55,748 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-28 09:36:55,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-28 09:36:55,755 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2021-10-28 09:36:55,814 INFO L354 Elim1Store]: treesize reduction 35, result has 16.7 percent of original size [2021-10-28 09:36:55,814 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 15 [2021-10-28 09:36:55,875 INFO L354 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2021-10-28 09:36:55,876 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 2 case distinctions, treesize of input 34 treesize of output 22 [2021-10-28 09:36:55,909 INFO L354 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2021-10-28 09:36:55,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 16 [2021-10-28 09:36:55,917 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:36:55,917 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1045298689] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:36:55,917 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:36:55,917 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 16 [2021-10-28 09:36:55,918 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72314398] [2021-10-28 09:36:56,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:36:56,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 09:36:56,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2021-10-28 09:36:56,012 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. cyclomatic complexity: 5 Second operand has 16 states, 16 states have (on average 1.75) internal successors, (28), 16 states have internal predecessors, (28), 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 09:36:56,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:36:56,130 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2021-10-28 09:36:56,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:36:56,130 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 14 transitions. [2021-10-28 09:36:56,131 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:36:56,131 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2021-10-28 09:36:56,131 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:36:56,131 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:36:56,131 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:36:56,131 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:36:56,131 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:36:56,131 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:36:56,131 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:36:56,131 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 09:36:56,131 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:36:56,132 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:36:56,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:36:56,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:36:56 BoogieIcfgContainer [2021-10-28 09:36:56,137 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:36:56,138 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:36:56,138 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:36:56,138 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:36:56,139 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:36:49" (3/4) ... [2021-10-28 09:36:56,141 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:36:56,141 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:36:56,142 INFO L168 Benchmark]: Toolchain (without parser) took 7663.74 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 73.0 MB in the beginning and 104.9 MB in the end (delta: -31.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:56,143 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory is still 54.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:36:56,143 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.92 ms. Allocated memory is still 94.4 MB. Free memory was 72.8 MB in the beginning and 62.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:56,143 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.16 ms. Allocated memory is still 94.4 MB. Free memory was 62.6 MB in the beginning and 60.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:36:56,144 INFO L168 Benchmark]: Boogie Preprocessor took 69.33 ms. Allocated memory is still 94.4 MB. Free memory was 60.8 MB in the beginning and 59.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:56,144 INFO L168 Benchmark]: RCFGBuilder took 528.57 ms. Allocated memory is still 94.4 MB. Free memory was 59.4 MB in the beginning and 47.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:56,144 INFO L168 Benchmark]: BuchiAutomizer took 6515.18 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 47.1 MB in the beginning and 104.9 MB in the end (delta: -57.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:36:56,145 INFO L168 Benchmark]: Witness Printer took 3.52 ms. Allocated memory is still 138.4 MB. Free memory is still 104.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:36:56,146 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 77.6 MB. Free memory is still 54.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 495.92 ms. Allocated memory is still 94.4 MB. Free memory was 72.8 MB in the beginning and 62.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.16 ms. Allocated memory is still 94.4 MB. Free memory was 62.6 MB in the beginning and 60.8 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 69.33 ms. Allocated memory is still 94.4 MB. Free memory was 60.8 MB in the beginning and 59.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 528.57 ms. Allocated memory is still 94.4 MB. Free memory was 59.4 MB in the beginning and 47.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 6515.18 ms. Allocated memory was 94.4 MB in the beginning and 138.4 MB in the end (delta: 44.0 MB). Free memory was 47.1 MB in the beginning and 104.9 MB in the end (delta: -57.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 3.52 ms. Allocated memory is still 138.4 MB. Free memory is still 104.9 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 7 terminating modules (6 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 59 and consists of 4 locations. 6 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.4s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 5.6s. Construction of modules took 0.2s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 22 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 18 states and ocurred in iteration 3. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 68 SDtfs, 110 SDslu, 63 SDs, 0 SdLazy, 247 SolverSat, 34 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc3 concLT0 SILN2 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital244 mio100 ax107 hnf100 lsp88 ukn49 mio100 lsp27 div100 bol100 ite100 ukn100 eq151 hnf95 smp100 dnf168 smp92 tf100 neg94 sie136 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:36:56,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:56,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2021-10-28 09:36:56,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2edd8b70-4674-49dc-95e8-8ee9b06db4de/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...