./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3fed66d5923476c12ca35c736a52f4e29194df4cbb0c4b8f04c7c325f2517c91 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 08:28:43,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 08:28:43,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 08:28:43,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 08:28:43,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 08:28:43,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 08:28:43,141 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 08:28:43,143 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 08:28:43,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 08:28:43,147 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 08:28:43,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 08:28:43,151 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 08:28:43,151 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 08:28:43,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 08:28:43,155 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 08:28:43,157 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 08:28:43,158 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 08:28:43,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 08:28:43,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 08:28:43,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 08:28:43,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 08:28:43,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 08:28:43,172 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 08:28:43,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 08:28:43,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 08:28:43,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 08:28:43,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 08:28:43,181 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 08:28:43,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 08:28:43,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 08:28:43,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 08:28:43,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 08:28:43,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 08:28:43,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 08:28:43,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 08:28:43,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 08:28:43,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 08:28:43,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 08:28:43,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 08:28:43,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 08:28:43,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 08:28:43,199 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-07 08:28:43,234 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 08:28:43,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 08:28:43,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 08:28:43,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 08:28:43,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 08:28:43,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 08:28:43,237 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 08:28:43,238 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-07 08:28:43,238 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-07 08:28:43,238 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-07 08:28:43,238 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-07 08:28:43,239 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-07 08:28:43,239 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-07 08:28:43,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 08:28:43,240 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 08:28:43,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 08:28:43,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 08:28:43,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-07 08:28:43,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-07 08:28:43,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-07 08:28:43,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 08:28:43,241 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-07 08:28:43,242 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 08:28:43,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-07 08:28:43,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 08:28:43,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 08:28:43,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 08:28:43,243 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 08:28:43,244 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 08:28:43,245 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-07 08:28:43,245 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_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fed66d5923476c12ca35c736a52f4e29194df4cbb0c4b8f04c7c325f2517c91 [2021-11-07 08:28:43,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 08:28:43,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 08:28:43,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 08:28:43,628 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 08:28:43,629 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 08:28:43,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/../../sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i [2021-11-07 08:28:43,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/data/aa391b57f/e01bdbc5c9ee409c93e12e7974f09a66/FLAG6423d7f57 [2021-11-07 08:28:44,360 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 08:28:44,361 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/sv-benchmarks/c/termination-memory-alloca/java_BubbleSort-alloca-2.i [2021-11-07 08:28:44,378 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/data/aa391b57f/e01bdbc5c9ee409c93e12e7974f09a66/FLAG6423d7f57 [2021-11-07 08:28:44,572 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/data/aa391b57f/e01bdbc5c9ee409c93e12e7974f09a66 [2021-11-07 08:28:44,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 08:28:44,583 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 08:28:44,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 08:28:44,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 08:28:44,594 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 08:28:44,595 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:28:44" (1/1) ... [2021-11-07 08:28:44,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c85612a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:44, skipping insertion in model container [2021-11-07 08:28:44,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:28:44" (1/1) ... [2021-11-07 08:28:44,610 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 08:28:44,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 08:28:45,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:28:45,022 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 08:28:45,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 08:28:45,156 INFO L208 MainTranslator]: Completed translation [2021-11-07 08:28:45,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:45 WrapperNode [2021-11-07 08:28:45,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 08:28:45,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 08:28:45,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 08:28:45,158 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 08:28:45,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:45" (1/1) ... [2021-11-07 08:28:45,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:45" (1/1) ... [2021-11-07 08:28:45,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 08:28:45,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 08:28:45,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 08:28:45,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 08:28:45,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:45" (1/1) ... [2021-11-07 08:28:45,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:45" (1/1) ... [2021-11-07 08:28:45,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:45" (1/1) ... [2021-11-07 08:28:45,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:45" (1/1) ... [2021-11-07 08:28:45,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:45" (1/1) ... [2021-11-07 08:28:45,248 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:45" (1/1) ... [2021-11-07 08:28:45,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:45" (1/1) ... [2021-11-07 08:28:45,252 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 08:28:45,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 08:28:45,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 08:28:45,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 08:28:45,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:45" (1/1) ... [2021-11-07 08:28:45,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:45,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:45,288 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:45,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-07 08:28:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 08:28:45,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 08:28:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 08:28:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 08:28:45,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 08:28:45,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 08:28:45,617 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 08:28:45,618 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-11-07 08:28:45,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:28:45 BoogieIcfgContainer [2021-11-07 08:28:45,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 08:28:45,634 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-07 08:28:45,634 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-07 08:28:45,638 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-07 08:28:45,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:28:45,639 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.11 08:28:44" (1/3) ... [2021-11-07 08:28:45,640 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b2aa8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:28:45, skipping insertion in model container [2021-11-07 08:28:45,640 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:28:45,641 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:28:45" (2/3) ... [2021-11-07 08:28:45,641 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b2aa8a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.11 08:28:45, skipping insertion in model container [2021-11-07 08:28:45,641 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-07 08:28:45,642 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:28:45" (3/3) ... [2021-11-07 08:28:45,643 INFO L389 chiAutomizerObserver]: Analyzing ICFG java_BubbleSort-alloca-2.i [2021-11-07 08:28:45,703 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-07 08:28:45,703 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-07 08:28:45,703 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-07 08:28:45,703 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-07 08:28:45,704 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-07 08:28:45,704 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-07 08:28:45,704 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-07 08:28:45,704 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-07 08:28:45,734 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:45,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-07 08:28:45,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:28:45,764 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:28:45,774 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-07 08:28:45,774 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 08:28:45,774 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-07 08:28:45,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:45,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-07 08:28:45,777 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:28:45,777 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:28:45,778 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-07 08:28:45,778 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 08:28:45,784 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 12#L558true assume !(main_~array_size~0 < 1); 7#L558-2true call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 8#L550-3true [2021-11-07 08:28:45,784 INFO L793 eck$LassoCheckResult]: Loop: 8#L550-3true assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 6#L551-3true assume !true; 14#L550-2true sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 8#L550-3true [2021-11-07 08:28:45,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:45,790 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-11-07 08:28:45,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:45,801 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073939568] [2021-11-07 08:28:45,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:45,803 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:45,932 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:28:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:45,990 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:28:45,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:45,994 INFO L85 PathProgramCache]: Analyzing trace with hash 47218, now seen corresponding path program 1 times [2021-11-07 08:28:45,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:45,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119222976] [2021-11-07 08:28:45,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:45,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:46,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:28:46,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:28:46,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119222976] [2021-11-07 08:28:46,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119222976] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:28:46,061 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:28:46,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:28:46,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [359513928] [2021-11-07 08:28:46,073 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-07 08:28:46,075 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:28:46,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 08:28:46,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 08:28:46,101 INFO L87 Difference]: Start difference. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 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) [2021-11-07 08:28:46,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:28:46,110 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2021-11-07 08:28:46,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 08:28:46,112 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2021-11-07 08:28:46,117 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-07 08:28:46,121 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 12 transitions. [2021-11-07 08:28:46,123 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-07 08:28:46,123 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-07 08:28:46,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 12 transitions. [2021-11-07 08:28:46,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:28:46,125 INFO L681 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-11-07 08:28:46,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 12 transitions. [2021-11-07 08:28:46,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2021-11-07 08:28:46,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:46,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 12 transitions. [2021-11-07 08:28:46,157 INFO L704 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-11-07 08:28:46,157 INFO L587 BuchiCegarLoop]: Abstraction has 9 states and 12 transitions. [2021-11-07 08:28:46,158 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-07 08:28:46,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 12 transitions. [2021-11-07 08:28:46,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-11-07 08:28:46,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:28:46,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:28:46,160 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-07 08:28:46,160 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 08:28:46,160 INFO L791 eck$LassoCheckResult]: Stem: 34#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 35#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 38#L558 assume !(main_~array_size~0 < 1); 39#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 42#L550-3 [2021-11-07 08:28:46,160 INFO L793 eck$LassoCheckResult]: Loop: 42#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 37#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 40#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 42#L550-3 [2021-11-07 08:28:46,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:46,164 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2021-11-07 08:28:46,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:46,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245029086] [2021-11-07 08:28:46,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:46,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:46,208 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:28:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:46,237 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:28:46,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:46,238 INFO L85 PathProgramCache]: Analyzing trace with hash 46877, now seen corresponding path program 1 times [2021-11-07 08:28:46,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:46,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346029039] [2021-11-07 08:28:46,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:46,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:46,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:46,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:28:46,324 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:28:46,324 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346029039] [2021-11-07 08:28:46,324 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346029039] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 08:28:46,325 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 08:28:46,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 08:28:46,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552006384] [2021-11-07 08:28:46,326 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-07 08:28:46,326 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:28:46,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 08:28:46,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 08:28:46,327 INFO L87 Difference]: Start difference. First operand 9 states and 12 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 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) [2021-11-07 08:28:46,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:28:46,384 INFO L93 Difference]: Finished difference Result 10 states and 13 transitions. [2021-11-07 08:28:46,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 08:28:46,385 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2021-11-07 08:28:46,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-07 08:28:46,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 13 transitions. [2021-11-07 08:28:46,387 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-07 08:28:46,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-07 08:28:46,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-11-07 08:28:46,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:28:46,388 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-07 08:28:46,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-11-07 08:28:46,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-11-07 08:28:46,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-11-07 08:28:46,390 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-07 08:28:46,390 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-11-07 08:28:46,390 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-07 08:28:46,390 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-11-07 08:28:46,391 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-11-07 08:28:46,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:28:46,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:28:46,392 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-07 08:28:46,392 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-11-07 08:28:46,392 INFO L791 eck$LassoCheckResult]: Stem: 59#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 60#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 63#L558 assume !(main_~array_size~0 < 1); 64#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 67#L550-3 [2021-11-07 08:28:46,393 INFO L793 eck$LassoCheckResult]: Loop: 67#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 65#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 66#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 61#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 62#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 68#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 67#L550-3 [2021-11-07 08:28:46,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:46,394 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 3 times [2021-11-07 08:28:46,394 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:46,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526237186] [2021-11-07 08:28:46,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:46,395 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:46,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:46,432 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:28:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:46,446 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:28:46,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:46,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1398152922, now seen corresponding path program 1 times [2021-11-07 08:28:46,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:46,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415435553] [2021-11-07 08:28:46,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:46,448 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:46,463 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:28:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:46,477 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:28:46,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:46,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1893874754, now seen corresponding path program 1 times [2021-11-07 08:28:46,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:46,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380725940] [2021-11-07 08:28:46,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:46,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:46,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:46,527 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:28:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:46,591 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:28:47,230 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:28:47,231 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:28:47,231 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:28:47,231 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:28:47,232 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:28:47,232 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:47,232 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:28:47,232 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:28:47,232 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration3_Lasso [2021-11-07 08:28:47,233 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:28:47,233 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:28:47,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:47,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:47,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:47,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:47,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:47,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:47,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:47,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:47,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:47,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:47,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:47,453 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:47,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:47,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:47,826 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:28:47,832 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:28:47,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:47,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:47,840 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:47,850 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 [2021-11-07 08:28:47,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-07 08:28:47,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:47,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:47,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:47,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:47,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:47,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:47,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:47,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:47,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-07 08:28:47,903 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:47,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:47,904 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:47,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-07 08:28:47,912 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 [2021-11-07 08:28:47,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:47,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:47,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:47,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:47,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:47,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:47,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:47,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:47,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:47,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:47,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:47,991 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:47,997 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 [2021-11-07 08:28:48,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:48,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:48,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:48,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:48,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:48,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-07 08:28:48,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:48,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:48,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:48,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:48,074 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:48,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:48,076 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:48,085 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 [2021-11-07 08:28:48,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-07 08:28:48,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:48,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:48,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:48,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:48,102 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:48,102 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:48,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:48,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:48,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:48,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:48,147 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:48,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-07 08:28:48,149 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 [2021-11-07 08:28:48,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:48,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:48,159 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:48,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:48,159 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:48,160 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:48,160 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:48,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:48,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:48,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:48,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:48,246 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:48,252 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 [2021-11-07 08:28:48,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:48,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:48,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:48,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:48,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:48,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:48,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:48,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-07 08:28:48,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:48,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:48,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:48,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:48,325 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:48,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-07 08:28:48,332 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 [2021-11-07 08:28:48,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:48,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:48,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:48,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:48,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:48,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:48,351 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:48,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:48,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:48,392 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:48,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:48,393 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:48,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-07 08:28:48,396 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 [2021-11-07 08:28:48,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:48,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:48,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:48,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:48,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:48,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:48,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:48,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:48,478 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:48,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:48,480 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:48,481 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 [2021-11-07 08:28:48,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-07 08:28:48,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:48,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:48,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:48,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:48,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:48,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:48,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:48,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:48,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:48,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:48,552 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:48,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-07 08:28:48,555 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 [2021-11-07 08:28:48,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:48,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:48,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:48,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:48,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:48,602 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:48,660 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 08:28:48,780 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-11-07 08:28:48,780 INFO L444 ModelExtractionUtils]: 10 out of 37 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-11-07 08:28:48,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:48,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:48,816 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:48,833 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 08:28:48,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-07 08:28:48,858 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-07 08:28:48,859 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 08:28:48,859 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~pass~0, v_rep(select #length ULTIMATE.start_sort_~x.base)_1) = -2*ULTIMATE.start_sort_~pass~0 + 1*v_rep(select #length ULTIMATE.start_sort_~x.base)_1 Supporting invariants [-2*ULTIMATE.start_sort_~n + 1*v_rep(select #length ULTIMATE.start_sort_~x.base)_1 >= 0] [2021-11-07 08:28:48,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:48,981 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-11-07 08:28:49,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:49,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-07 08:28:49,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:28:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:49,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 08:28:49,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:28:49,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 08:28:49,233 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-07 08:28:49,234 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:49,312 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 22 transitions. Complement of second has 5 states. [2021-11-07 08:28:49,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-07 08:28:49,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:49,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-07 08:28:49,317 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 6 letters. [2021-11-07 08:28:49,318 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:28:49,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 10 letters. Loop has 6 letters. [2021-11-07 08:28:49,319 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:28:49,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 4 letters. Loop has 12 letters. [2021-11-07 08:28:49,320 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:28:49,323 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 22 transitions. [2021-11-07 08:28:49,329 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 08:28:49,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 15 states and 21 transitions. [2021-11-07 08:28:49,332 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-07 08:28:49,334 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-07 08:28:49,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2021-11-07 08:28:49,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:28:49,334 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-11-07 08:28:49,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2021-11-07 08:28:49,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2021-11-07 08:28:49,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:49,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2021-11-07 08:28:49,340 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-11-07 08:28:49,341 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2021-11-07 08:28:49,341 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-07 08:28:49,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2021-11-07 08:28:49,344 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 08:28:49,345 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:28:49,345 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:28:49,346 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-07 08:28:49,346 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 08:28:49,346 INFO L791 eck$LassoCheckResult]: Stem: 163#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 164#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 169#L558 assume !(main_~array_size~0 < 1); 170#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 174#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 166#L551-3 [2021-11-07 08:28:49,346 INFO L793 eck$LassoCheckResult]: Loop: 166#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 171#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 165#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 166#L551-3 [2021-11-07 08:28:49,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:49,347 INFO L85 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2021-11-07 08:28:49,347 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:49,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630973043] [2021-11-07 08:28:49,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:49,351 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:49,384 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:28:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:49,398 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:28:49,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:49,403 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2021-11-07 08:28:49,403 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:49,403 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489222172] [2021-11-07 08:28:49,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:49,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:49,416 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:28:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:49,435 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:28:49,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:49,437 INFO L85 PathProgramCache]: Analyzing trace with hash 176800017, now seen corresponding path program 1 times [2021-11-07 08:28:49,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:49,438 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136073226] [2021-11-07 08:28:49,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:49,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:49,466 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:28:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:49,509 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:28:49,883 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:28:49,883 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:28:49,883 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:28:49,883 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:28:49,883 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:28:49,883 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:49,884 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:28:49,884 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:28:49,884 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration4_Lasso [2021-11-07 08:28:49,884 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:28:49,884 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:28:49,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:49,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:49,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:49,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:49,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:49,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:49,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:49,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:49,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:49,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:49,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:50,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:50,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:50,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:50,413 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:28:50,413 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:28:50,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:50,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:50,416 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:50,424 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 [2021-11-07 08:28:50,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:50,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:50,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:50,434 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:50,434 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:50,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:50,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:50,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-07 08:28:50,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:50,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:50,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:50,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:50,492 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:50,500 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 [2021-11-07 08:28:50,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:50,510 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:50,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:50,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:50,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:50,511 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:50,511 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:50,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-07 08:28:50,532 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:50,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:50,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:50,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:50,575 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:50,582 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 [2021-11-07 08:28:50,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:50,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:50,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:50,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:50,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:50,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:50,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-07 08:28:50,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:50,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:50,645 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:50,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:50,646 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:50,651 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 [2021-11-07 08:28:50,661 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:50,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:50,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:50,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:50,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:50,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:50,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-07 08:28:50,684 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:50,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:50,722 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:50,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:50,725 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:50,732 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 [2021-11-07 08:28:50,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-07 08:28:50,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:50,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:50,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:50,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:50,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:50,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:50,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:50,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:50,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:50,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:50,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:50,804 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:50,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-07 08:28:50,813 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 [2021-11-07 08:28:50,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:50,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:50,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:50,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:50,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:50,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:50,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:50,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:50,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:50,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:50,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:50,867 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:50,869 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 [2021-11-07 08:28:50,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-07 08:28:50,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:50,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:50,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:50,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:50,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:50,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:50,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:50,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:50,959 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:50,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:50,960 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:50,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-07 08:28:50,963 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 [2021-11-07 08:28:50,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:50,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:50,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:50,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:50,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:50,973 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:50,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:51,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:51,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:51,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:51,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:51,043 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:51,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-07 08:28:51,059 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 [2021-11-07 08:28:51,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:51,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:51,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:51,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:51,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:51,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:51,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:51,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:51,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:51,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:51,127 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:51,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:51,128 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:51,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-07 08:28:51,132 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 [2021-11-07 08:28:51,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:51,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:51,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:51,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:51,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:51,144 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:51,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:51,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:51,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:51,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:51,224 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:51,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-07 08:28:51,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:51,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:51,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:51,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:51,245 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:51,245 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:51,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-07 08:28:51,268 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:51,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:51,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:51,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:51,313 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:51,315 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 [2021-11-07 08:28:51,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:51,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:51,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:51,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:51,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:51,328 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:51,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:51,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-07 08:28:51,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:51,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:51,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:51,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:51,389 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:51,392 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 [2021-11-07 08:28:51,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:51,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:51,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:51,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:51,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:51,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:51,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-07 08:28:51,422 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:51,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:51,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:51,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:51,467 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:51,470 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 [2021-11-07 08:28:51,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:51,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:51,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:51,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:51,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-07 08:28:51,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:51,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:51,516 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 08:28:51,561 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-11-07 08:28:51,561 INFO L444 ModelExtractionUtils]: 21 out of 37 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-11-07 08:28:51,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:51,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:51,563 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:51,569 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 08:28:51,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-07 08:28:51,601 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-07 08:28:51,601 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 08:28:51,601 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~i~0, ULTIMATE.start_sort_~pass~0, ULTIMATE.start_sort_~n) = -1*ULTIMATE.start_sort_~i~0 - 1*ULTIMATE.start_sort_~pass~0 + 1*ULTIMATE.start_sort_~n Supporting invariants [] [2021-11-07 08:28:51,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:51,659 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-11-07 08:28:51,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:51,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:51,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:28:51,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:28:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:51,715 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 08:28:51,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:28:51,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:28:51,755 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 [2021-11-07 08:28:51,755 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:51,794 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 44 transitions. Complement of second has 7 states. [2021-11-07 08:28:51,795 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 [2021-11-07 08:28:51,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:51,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-07 08:28:51,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 3 letters. [2021-11-07 08:28:51,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:28:51,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 8 letters. Loop has 3 letters. [2021-11-07 08:28:51,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:28:51,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 5 letters. Loop has 6 letters. [2021-11-07 08:28:51,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:28:51,798 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 44 transitions. [2021-11-07 08:28:51,802 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 08:28:51,808 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 20 states and 28 transitions. [2021-11-07 08:28:51,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-07 08:28:51,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-11-07 08:28:51,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. [2021-11-07 08:28:51,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:28:51,809 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 28 transitions. [2021-11-07 08:28:51,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. [2021-11-07 08:28:51,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 14. [2021-11-07 08:28:51,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 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) [2021-11-07 08:28:51,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-11-07 08:28:51,816 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-11-07 08:28:51,816 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-11-07 08:28:51,816 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-07 08:28:51,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-11-07 08:28:51,818 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 08:28:51,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:28:51,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:28:51,820 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:28:51,820 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 08:28:51,820 INFO L791 eck$LassoCheckResult]: Stem: 271#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 272#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 277#L558 assume !(main_~array_size~0 < 1); 278#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 282#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 280#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 281#L552 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 275#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 276#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 284#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 283#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 274#L551-3 [2021-11-07 08:28:51,820 INFO L793 eck$LassoCheckResult]: Loop: 274#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 279#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 273#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 274#L551-3 [2021-11-07 08:28:51,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:51,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1421271829, now seen corresponding path program 1 times [2021-11-07 08:28:51,821 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:51,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564094847] [2021-11-07 08:28:51,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:51,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:28:51,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:28:51,890 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564094847] [2021-11-07 08:28:51,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564094847] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:28:51,891 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450645694] [2021-11-07 08:28:51,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:51,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:28:51,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:51,896 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:28:51,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-11-07 08:28:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:51,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-07 08:28:51,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:28:52,034 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:28:52,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450645694] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:28:52,034 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:28:52,034 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-11-07 08:28:52,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103717104] [2021-11-07 08:28:52,036 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-07 08:28:52,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:52,037 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 2 times [2021-11-07 08:28:52,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:52,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624805004] [2021-11-07 08:28:52,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:52,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:52,050 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:28:52,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:52,071 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:28:52,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:28:52,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-07 08:28:52,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-11-07 08:28:52,200 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:52,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:28:52,274 INFO L93 Difference]: Finished difference Result 27 states and 36 transitions. [2021-11-07 08:28:52,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-07 08:28:52,275 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 36 transitions. [2021-11-07 08:28:52,276 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 08:28:52,277 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 25 states and 34 transitions. [2021-11-07 08:28:52,277 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-11-07 08:28:52,277 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-11-07 08:28:52,278 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 34 transitions. [2021-11-07 08:28:52,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:28:52,280 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 34 transitions. [2021-11-07 08:28:52,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 34 transitions. [2021-11-07 08:28:52,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 17. [2021-11-07 08:28:52,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:52,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2021-11-07 08:28:52,282 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-11-07 08:28:52,282 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2021-11-07 08:28:52,282 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-07 08:28:52,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2021-11-07 08:28:52,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 08:28:52,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:28:52,283 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:28:52,283 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-11-07 08:28:52,283 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 08:28:52,283 INFO L791 eck$LassoCheckResult]: Stem: 356#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 357#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 362#L558 assume !(main_~array_size~0 < 1); 363#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 366#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 367#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 372#L552 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 360#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 361#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 365#L552 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 369#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 371#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 370#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 368#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 359#L551-3 [2021-11-07 08:28:52,283 INFO L793 eck$LassoCheckResult]: Loop: 359#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 364#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 358#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 359#L551-3 [2021-11-07 08:28:52,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:52,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1373641048, now seen corresponding path program 2 times [2021-11-07 08:28:52,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:52,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482432189] [2021-11-07 08:28:52,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:52,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:52,300 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:28:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:52,317 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:28:52,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:52,318 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 3 times [2021-11-07 08:28:52,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:52,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613732007] [2021-11-07 08:28:52,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:52,319 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:52,325 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:28:52,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:52,331 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:28:52,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:52,332 INFO L85 PathProgramCache]: Analyzing trace with hash -307910395, now seen corresponding path program 1 times [2021-11-07 08:28:52,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:52,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975895886] [2021-11-07 08:28:52,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:52,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:52,688 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:28:52,689 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 08:28:52,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975895886] [2021-11-07 08:28:52,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975895886] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:28:52,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17171135] [2021-11-07 08:28:52,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:52,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 08:28:52,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:52,696 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 08:28:52,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-11-07 08:28:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:52,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 14 conjunts are in the unsatisfiable core [2021-11-07 08:28:52,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:28:53,050 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-11-07 08:28:53,051 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 30 treesize of output 10 [2021-11-07 08:28:53,068 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-07 08:28:53,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17171135] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 08:28:53,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-11-07 08:28:53,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2021-11-07 08:28:53,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241201657] [2021-11-07 08:28:53,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 08:28:53,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-11-07 08:28:53,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2021-11-07 08:28:53,192 INFO L87 Difference]: Start difference. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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) [2021-11-07 08:28:53,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 08:28:53,359 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2021-11-07 08:28:53,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-07 08:28:53,359 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 50 transitions. [2021-11-07 08:28:53,360 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-07 08:28:53,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 50 transitions. [2021-11-07 08:28:53,363 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-11-07 08:28:53,363 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-11-07 08:28:53,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 50 transitions. [2021-11-07 08:28:53,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-07 08:28:53,364 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 50 transitions. [2021-11-07 08:28:53,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 50 transitions. [2021-11-07 08:28:53,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 26. [2021-11-07 08:28:53,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 25 states have internal predecessors, (35), 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) [2021-11-07 08:28:53,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2021-11-07 08:28:53,372 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2021-11-07 08:28:53,373 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2021-11-07 08:28:53,373 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-07 08:28:53,373 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2021-11-07 08:28:53,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-07 08:28:53,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-07 08:28:53,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-07 08:28:53,377 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 08:28:53,378 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-07 08:28:53,378 INFO L791 eck$LassoCheckResult]: Stem: 480#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 481#L-1 havoc main_#res;havoc main_#t~nondet8, main_#t~malloc9.base, main_#t~malloc9.offset, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet8;havoc main_#t~nondet8; 486#L558 assume !(main_~array_size~0 < 1); 487#L558-2 call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;sort_#in~x.base, sort_#in~x.offset, sort_#in~n := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sort_#t~mem4, sort_#t~mem5, sort_#t~mem6, sort_#t~mem7, sort_~temp~0, sort_#t~post3, sort_#t~post2, sort_~x.base, sort_~x.offset, sort_~n, sort_~pass~0, sort_~i~0;sort_~x.base, sort_~x.offset := sort_#in~x.base, sort_#in~x.offset;sort_~n := sort_#in~n;havoc sort_~pass~0;havoc sort_~i~0;sort_~pass~0 := 1; 491#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 492#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 499#L552 assume !(sort_#t~mem4 > sort_#t~mem5);havoc sort_#t~mem4;havoc sort_#t~mem5; 484#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 485#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 490#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 495#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 503#L551-3 assume !(sort_~i~0 < sort_~n - sort_~pass~0); 502#L550-2 sort_#t~post2 := sort_~pass~0;sort_~pass~0 := 1 + sort_#t~post2;havoc sort_#t~post2; 501#L550-3 assume !!(sort_~pass~0 < sort_~n);sort_~i~0 := 0; 483#L551-3 [2021-11-07 08:28:53,378 INFO L793 eck$LassoCheckResult]: Loop: 483#L551-3 assume !!(sort_~i~0 < sort_~n - sort_~pass~0);call sort_#t~mem4 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);call sort_#t~mem5 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 505#L552 assume sort_#t~mem4 > sort_#t~mem5;havoc sort_#t~mem4;havoc sort_#t~mem5;call sort_#t~mem6 := read~int(sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);sort_~temp~0 := sort_#t~mem6;havoc sort_#t~mem6;call sort_#t~mem7 := read~int(sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4);call write~int(sort_#t~mem7, sort_~x.base, sort_~x.offset + 4 * sort_~i~0, 4);havoc sort_#t~mem7;call write~int(sort_~temp~0, sort_~x.base, sort_~x.offset + 4 * (1 + sort_~i~0), 4); 482#L551-2 sort_#t~post3 := sort_~i~0;sort_~i~0 := 1 + sort_#t~post3;havoc sort_#t~post3; 483#L551-3 [2021-11-07 08:28:53,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:53,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1371794006, now seen corresponding path program 2 times [2021-11-07 08:28:53,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:53,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310228653] [2021-11-07 08:28:53,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:53,380 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:53,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:53,408 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:28:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:53,437 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:28:53,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:53,445 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 4 times [2021-11-07 08:28:53,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:53,445 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635539947] [2021-11-07 08:28:53,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:53,446 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:53,455 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:28:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:53,461 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:28:53,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:53,463 INFO L85 PathProgramCache]: Analyzing trace with hash 501436231, now seen corresponding path program 3 times [2021-11-07 08:28:53,463 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 08:28:53,464 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969840849] [2021-11-07 08:28:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 08:28:53,464 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 08:28:53,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:53,519 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 08:28:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 08:28:53,546 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-07 08:28:54,282 INFO L210 LassoAnalysis]: Preferences: [2021-11-07 08:28:54,282 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-07 08:28:54,282 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-07 08:28:54,283 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-07 08:28:54,283 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-07 08:28:54,283 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:54,283 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-07 08:28:54,283 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-07 08:28:54,283 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-2.i_Iteration7_Lasso [2021-11-07 08:28:54,283 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-07 08:28:54,283 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-07 08:28:54,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,321 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-07 08:28:54,931 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-07 08:28:54,932 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-07 08:28:54,932 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:54,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:54,936 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:54,944 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 [2021-11-07 08:28:54,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-07 08:28:54,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:54,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:54,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:54,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:54,957 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:54,957 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:54,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:55,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:55,009 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,010 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,016 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 [2021-11-07 08:28:55,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:55,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:55,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:55,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:55,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:55,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:55,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:55,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-07 08:28:55,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:55,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:55,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,093 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,097 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 [2021-11-07 08:28:55,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:55,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:55,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:55,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:55,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:55,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:55,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-07 08:28:55,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:55,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:55,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,174 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,197 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 [2021-11-07 08:28:55,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:55,207 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:55,207 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:55,207 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:55,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:55,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-07 08:28:55,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:55,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:55,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:55,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,264 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,266 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 [2021-11-07 08:28:55,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:55,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:55,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:55,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:55,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:55,277 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:55,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:55,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-07 08:28:55,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:55,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-11-07 08:28:55,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,324 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,326 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 [2021-11-07 08:28:55,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:55,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:55,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:55,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:55,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:55,336 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:55,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:55,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-07 08:28:55,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:55,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:55,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,392 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,396 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 [2021-11-07 08:28:55,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:55,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:55,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:55,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:55,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:55,408 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:55,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-07 08:28:55,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:55,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:55,466 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,467 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,470 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 [2021-11-07 08:28:55,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:55,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:55,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:55,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:55,482 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:55,482 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:55,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-07 08:28:55,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:55,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:55,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,542 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-07 08:28:55,543 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 [2021-11-07 08:28:55,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:55,552 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:55,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:55,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:55,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:55,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:55,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:55,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:55,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:55,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,580 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-07 08:28:55,582 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 [2021-11-07 08:28:55,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:55,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:55,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:55,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:55,596 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:55,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:55,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:55,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:55,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-11-07 08:28:55,626 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,632 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-07 08:28:55,635 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 [2021-11-07 08:28:55,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:55,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:55,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:55,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:55,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:55,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:55,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:55,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:55,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-07 08:28:55,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,694 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-07 08:28:55,696 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 [2021-11-07 08:28:55,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:55,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-07 08:28:55,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:55,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:55,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:55,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-07 08:28:55,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-07 08:28:55,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:55,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:55,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,732 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-07 08:28:55,735 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 [2021-11-07 08:28:55,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:55,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:55,745 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:55,745 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:55,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:55,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:55,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:55,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:55,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,823 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,829 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 [2021-11-07 08:28:55,840 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:55,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:55,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:55,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:55,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-07 08:28:55,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:55,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:55,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-07 08:28:55,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-11-07 08:28:55,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,877 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-07 08:28:55,879 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 [2021-11-07 08:28:55,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-07 08:28:55,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-07 08:28:55,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-07 08:28:55,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-07 08:28:55,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-07 08:28:55,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-07 08:28:55,924 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-07 08:28:55,956 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-07 08:28:55,956 INFO L444 ModelExtractionUtils]: 13 out of 34 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-11-07 08:28:55,956 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-07 08:28:55,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 [2021-11-07 08:28:55,961 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-07 08:28:55,965 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-07 08:28:55,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-07 08:28:55,981 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-07 08:28:55,982 INFO L513 LassoAnalysis]: Proved termination. [2021-11-07 08:28:55,982 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~x.offset, ULTIMATE.start_sort_~i~0, v_rep(select #length ULTIMATE.start_sort_~x.base)_3) = -1*ULTIMATE.start_sort_~x.offset - 4*ULTIMATE.start_sort_~i~0 + 1*v_rep(select #length ULTIMATE.start_sort_~x.base)_3 Supporting invariants [] [2021-11-07 08:28:56,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-07 08:28:56,035 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-11-07 08:28:56,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:56,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:28:56,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:28:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:56,133 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 08:28:56,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:28:56,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:28:56,172 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 [2021-11-07 08:28:56,172 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:56,205 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 70 transitions. Complement of second has 7 states. [2021-11-07 08:28:56,205 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 [2021-11-07 08:28:56,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:56,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-07 08:28:56,207 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2021-11-07 08:28:56,207 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:28:56,208 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-07 08:28:56,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:56,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:28:56,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:28:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:56,311 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 08:28:56,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:28:56,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:28:56,336 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-07 08:28:56,336 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:56,350 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 70 transitions. Complement of second has 7 states. [2021-11-07 08:28:56,351 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 [2021-11-07 08:28:56,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:56,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-07 08:28:56,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 14 letters. Loop has 3 letters. [2021-11-07 08:28:56,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:28:56,352 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-07 08:28:56,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 08:28:56,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:56,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 08:28:56,393 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:28:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 08:28:56,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 08:28:56,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 08:28:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 08:28:56,470 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-07 08:28:56,470 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:56,497 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 41 states and 58 transitions. Complement of second has 6 states. [2021-11-07 08:28:56,500 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 [2021-11-07 08:28:56,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 08:28:56,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-11-07 08:28:56,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 14 letters. Loop has 3 letters. [2021-11-07 08:28:56,501 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:28:56,501 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 17 letters. Loop has 3 letters. [2021-11-07 08:28:56,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:28:56,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 14 letters. Loop has 6 letters. [2021-11-07 08:28:56,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-07 08:28:56,503 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 58 transitions. [2021-11-07 08:28:56,504 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-07 08:28:56,504 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 0 states and 0 transitions. [2021-11-07 08:28:56,504 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-07 08:28:56,504 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-07 08:28:56,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-07 08:28:56,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-07 08:28:56,505 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:28:56,505 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:28:56,505 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 08:28:56,505 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-07 08:28:56,505 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-07 08:28:56,505 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-07 08:28:56,505 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-07 08:28:56,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.11 08:28:56 BoogieIcfgContainer [2021-11-07 08:28:56,511 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-07 08:28:56,512 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 08:28:56,512 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 08:28:56,512 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 08:28:56,513 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:28:45" (3/4) ... [2021-11-07 08:28:56,516 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 08:28:56,516 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 08:28:56,517 INFO L168 Benchmark]: Toolchain (without parser) took 11933.57 ms. Allocated memory was 115.3 MB in the beginning and 165.7 MB in the end (delta: 50.3 MB). Free memory was 75.9 MB in the beginning and 83.2 MB in the end (delta: -7.2 MB). Peak memory consumption was 43.9 MB. Max. memory is 16.1 GB. [2021-11-07 08:28:56,517 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 115.3 MB. Free memory is still 93.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:28:56,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.12 ms. Allocated memory is still 115.3 MB. Free memory was 75.7 MB in the beginning and 84.3 MB in the end (delta: -8.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 08:28:56,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.98 ms. Allocated memory is still 115.3 MB. Free memory was 84.3 MB in the beginning and 82.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:28:56,518 INFO L168 Benchmark]: Boogie Preprocessor took 31.78 ms. Allocated memory is still 115.3 MB. Free memory was 82.5 MB in the beginning and 80.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 08:28:56,519 INFO L168 Benchmark]: RCFGBuilder took 379.45 ms. Allocated memory is still 115.3 MB. Free memory was 80.9 MB in the beginning and 71.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 08:28:56,519 INFO L168 Benchmark]: BuchiAutomizer took 10877.41 ms. Allocated memory was 115.3 MB in the beginning and 165.7 MB in the end (delta: 50.3 MB). Free memory was 71.3 MB in the beginning and 83.2 MB in the end (delta: -11.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 16.1 GB. [2021-11-07 08:28:56,520 INFO L168 Benchmark]: Witness Printer took 4.08 ms. Allocated memory is still 165.7 MB. Free memory is still 83.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 08:28:56,522 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 115.3 MB. Free memory is still 93.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 568.12 ms. Allocated memory is still 115.3 MB. Free memory was 75.7 MB in the beginning and 84.3 MB in the end (delta: -8.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.98 ms. Allocated memory is still 115.3 MB. Free memory was 84.3 MB in the beginning and 82.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.78 ms. Allocated memory is still 115.3 MB. Free memory was 82.5 MB in the beginning and 80.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 379.45 ms. Allocated memory is still 115.3 MB. Free memory was 80.9 MB in the beginning and 71.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 10877.41 ms. Allocated memory was 115.3 MB in the beginning and 165.7 MB in the end (delta: 50.3 MB). Free memory was 71.3 MB in the beginning and 83.2 MB in the end (delta: -11.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.08 ms. Allocated memory is still 165.7 MB. Free memory is still 83.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -2 * pass + unknown-#length-unknown[x] and consists of 4 locations. One deterministic module has affine ranking function n + -1 * pass + -1 * i and consists of 4 locations. One nondeterministic module has affine ranking function -4 * i + -1 * x + unknown-#length-unknown[x] and consists of 4 locations. 4 modules have a trivial ranking function, the largest among these consists of 15 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.8s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 9.3s. Construction of modules took 0.2s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 26 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 26 states and ocurred in iteration 6. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 89 SDtfs, 88 SDslu, 91 SDs, 0 SdLazy, 173 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital194 mio100 ax109 hnf99 lsp88 ukn59 mio100 lsp61 div100 bol100 ite100 ukn100 eq174 hnf90 smp95 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms 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! [2021-11-07 08:28:56,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-07 08:28:56,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2021-11-07 08:28:56,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2021-11-07 08:28:57,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8dc5b19-7e5a-4cbc-b256-2303e56f7852/bin/uautomizer-AkOaLMaTGY/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE