./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ba885d2ca843c278430bc3d4272c307ea7df8f1fbcd0da84e81382a8c1939a93 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 18:20:05,171 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 18:20:05,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 18:20:05,200 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 18:20:05,206 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 18:20:05,210 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 18:20:05,213 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 18:20:05,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 18:20:05,221 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 18:20:05,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 18:20:05,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 18:20:05,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 18:20:05,229 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 18:20:05,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 18:20:05,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 18:20:05,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 18:20:05,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 18:20:05,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 18:20:05,244 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 18:20:05,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 18:20:05,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 18:20:05,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 18:20:05,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 18:20:05,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 18:20:05,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 18:20:05,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 18:20:05,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 18:20:05,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 18:20:05,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 18:20:05,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 18:20:05,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 18:20:05,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 18:20:05,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 18:20:05,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 18:20:05,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 18:20:05,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 18:20:05,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 18:20:05,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 18:20:05,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 18:20:05,286 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 18:20:05,286 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 18:20:05,287 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-25 18:20:05,328 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 18:20:05,328 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 18:20:05,329 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 18:20:05,329 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 18:20:05,331 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 18:20:05,331 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 18:20:05,331 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 18:20:05,332 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 18:20:05,332 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 18:20:05,332 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 18:20:05,333 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 18:20:05,334 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 18:20:05,334 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 18:20:05,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 18:20:05,334 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-25 18:20:05,334 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 18:20:05,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 18:20:05,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-25 18:20:05,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 18:20:05,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 18:20:05,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 18:20:05,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 18:20:05,336 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-25 18:20:05,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 18:20:05,337 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 18:20:05,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 18:20:05,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 18:20:05,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 18:20:05,337 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 18:20:05,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 18:20:05,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 18:20:05,340 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 18:20:05,340 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_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ba885d2ca843c278430bc3d4272c307ea7df8f1fbcd0da84e81382a8c1939a93 [2022-11-25 18:20:05,588 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 18:20:05,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 18:20:05,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 18:20:05,617 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 18:20:05,618 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 18:20:05,619 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i [2022-11-25 18:20:08,765 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 18:20:09,021 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 18:20:09,022 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/sv-benchmarks/c/array-memsafety/java_BubbleSort-alloca-1.i [2022-11-25 18:20:09,052 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/data/8709db1f9/713aa22dd37d4fb183c7c987889b27ef/FLAG401cba8b5 [2022-11-25 18:20:09,071 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/data/8709db1f9/713aa22dd37d4fb183c7c987889b27ef [2022-11-25 18:20:09,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 18:20:09,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 18:20:09,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 18:20:09,084 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 18:20:09,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 18:20:09,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:09" (1/1) ... [2022-11-25 18:20:09,091 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fffea86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:09, skipping insertion in model container [2022-11-25 18:20:09,091 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:20:09" (1/1) ... [2022-11-25 18:20:09,100 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 18:20:09,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 18:20:09,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:20:09,582 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 18:20:09,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 18:20:09,669 INFO L208 MainTranslator]: Completed translation [2022-11-25 18:20:09,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:09 WrapperNode [2022-11-25 18:20:09,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 18:20:09,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 18:20:09,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 18:20:09,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 18:20:09,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:09" (1/1) ... [2022-11-25 18:20:09,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:09" (1/1) ... [2022-11-25 18:20:09,719 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 62 [2022-11-25 18:20:09,720 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 18:20:09,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 18:20:09,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 18:20:09,721 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 18:20:09,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:09" (1/1) ... [2022-11-25 18:20:09,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:09" (1/1) ... [2022-11-25 18:20:09,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:09" (1/1) ... [2022-11-25 18:20:09,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:09" (1/1) ... [2022-11-25 18:20:09,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:09" (1/1) ... [2022-11-25 18:20:09,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:09" (1/1) ... [2022-11-25 18:20:09,742 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:09" (1/1) ... [2022-11-25 18:20:09,743 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:09" (1/1) ... [2022-11-25 18:20:09,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 18:20:09,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 18:20:09,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 18:20:09,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 18:20:09,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:09" (1/1) ... [2022-11-25 18:20:09,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:09,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:09,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:09,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 18:20:09,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 18:20:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 18:20:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 18:20:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 18:20:09,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 18:20:09,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 18:20:09,958 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 18:20:09,960 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 18:20:10,115 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 18:20:10,121 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 18:20:10,121 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-25 18:20:10,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:10 BoogieIcfgContainer [2022-11-25 18:20:10,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 18:20:10,139 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 18:20:10,139 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 18:20:10,143 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 18:20:10,159 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:20:10,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 06:20:09" (1/3) ... [2022-11-25 18:20:10,161 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17cff548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:20:10, skipping insertion in model container [2022-11-25 18:20:10,161 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:20:10,161 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:20:09" (2/3) ... [2022-11-25 18:20:10,161 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@17cff548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 06:20:10, skipping insertion in model container [2022-11-25 18:20:10,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 18:20:10,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:10" (3/3) ... [2022-11-25 18:20:10,163 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_BubbleSort-alloca-1.i [2022-11-25 18:20:10,274 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 18:20:10,275 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 18:20:10,275 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 18:20:10,275 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 18:20:10,275 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 18:20:10,275 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 18:20:10,276 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 18:20:10,276 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 18:20:10,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) [2022-11-25 18:20:10,315 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-25 18:20:10,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:20:10,316 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:20:10,323 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-25 18:20:10,323 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 18:20:10,323 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 18:20:10,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) [2022-11-25 18:20:10,327 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-25 18:20:10,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:20:10,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:20:10,328 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-25 18:20:10,329 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 18:20:10,339 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 12#L523true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 13#L523-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 5#L528-3true [2022-11-25 18:20:10,351 INFO L750 eck$LassoCheckResult]: Loop: 5#L528-3true assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 9#L528-2true main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 5#L528-3true [2022-11-25 18:20:10,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:10,369 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-11-25 18:20:10,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:10,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238281202] [2022-11-25 18:20:10,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:10,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:10,603 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:10,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:10,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:10,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-11-25 18:20:10,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:10,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152549862] [2022-11-25 18:20:10,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:10,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:10,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:10,657 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:10,667 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:10,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:10,669 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-11-25 18:20:10,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:10,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290741960] [2022-11-25 18:20:10,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:10,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:10,697 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:10,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:11,066 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:20:11,066 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:20:11,067 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:20:11,067 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:20:11,067 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:20:11,067 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:11,067 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:20:11,068 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:20:11,068 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-1.i_Iteration1_Lasso [2022-11-25 18:20:11,068 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:20:11,068 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:20:11,094 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:11,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:11,113 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:11,118 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:11,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:11,333 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:11,337 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:11,341 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:11,344 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:11,709 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:20:11,714 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:20:11,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:11,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:11,720 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:11,732 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 [2022-11-25 18:20:11,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 18:20:11,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:11,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:11,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:11,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:11,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:11,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:11,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:11,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:11,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:11,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:11,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:11,785 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:11,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 18:20:11,790 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 [2022-11-25 18:20:11,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:11,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:11,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:11,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:11,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:11,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:11,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:11,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:11,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:11,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:11,837 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:11,849 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 [2022-11-25 18:20:11,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:11,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:11,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:11,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:11,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:11,865 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:11,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:11,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 18:20:11,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:11,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:11,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:11,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:11,881 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:11,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 18:20:11,890 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 [2022-11-25 18:20:11,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:11,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:11,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:11,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:11,908 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:11,908 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:11,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:11,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:11,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:11,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:11,939 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:11,952 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 [2022-11-25 18:20:11,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:11,966 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:11,966 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:11,966 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:11,966 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:11,969 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:11,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:11,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 18:20:11,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:11,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:11,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:11,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:11,998 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:12,008 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 [2022-11-25 18:20:12,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:12,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:12,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:12,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:12,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 18:20:12,027 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:12,027 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:12,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:12,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-25 18:20:12,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:12,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:12,047 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:12,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 18:20:12,054 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 [2022-11-25 18:20:12,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:12,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:12,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:12,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:12,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:12,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:12,098 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:12,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:12,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:12,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:12,111 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:12,119 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 [2022-11-25 18:20:12,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:12,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:12,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:12,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:12,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 18:20:12,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:12,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:12,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:12,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:12,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:12,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:12,166 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:12,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 18:20:12,170 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:20:12,183 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:12,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:12,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:12,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:12,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:12,185 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:12,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:12,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:12,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:12,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:12,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:12,205 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:12,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-25 18:20:12,211 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 [2022-11-25 18:20:12,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:12,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:12,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:12,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:12,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:12,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:12,261 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:20:12,313 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2022-11-25 18:20:12,314 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 15 variables to zero. [2022-11-25 18:20:12,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:12,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:12,375 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:12,403 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:20:12,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-25 18:20:12,422 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 18:20:12,422 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:20:12,423 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~1#1, ULTIMATE.start_main_~array_size~0#1) = -1*ULTIMATE.start_main_~i~1#1 + 1*ULTIMATE.start_main_~array_size~0#1 Supporting invariants [] [2022-11-25 18:20:12,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:12,446 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-25 18:20:12,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:12,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:20:12,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:12,532 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:20:12,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:12,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:12,605 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-25 18:20:12,607 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:12,677 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 15 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 56 transitions. Complement of second has 7 states. [2022-11-25 18:20:12,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 18:20:12,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:12,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2022-11-25 18:20:12,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-25 18:20:12,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:12,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-25 18:20:12,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:12,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-25 18:20:12,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:12,705 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 56 transitions. [2022-11-25 18:20:12,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 18:20:12,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 13 states and 18 transitions. [2022-11-25 18:20:12,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 18:20:12,716 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-25 18:20:12,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-11-25 18:20:12,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:20:12,719 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-25 18:20:12,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-11-25 18:20:12,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-25 18:20:12,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) 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) [2022-11-25 18:20:12,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-25 18:20:12,750 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-25 18:20:12,750 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-25 18:20:12,751 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-25 18:20:12,752 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-25 18:20:12,755 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 18:20:12,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:20:12,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:20:12,756 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-25 18:20:12,756 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 18:20:12,756 INFO L748 eck$LassoCheckResult]: Stem: 110#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 111#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 112#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 113#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 116#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 114#L528-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 115#L515-3 [2022-11-25 18:20:12,757 INFO L750 eck$LassoCheckResult]: Loop: 115#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 119#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 120#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 115#L515-3 [2022-11-25 18:20:12,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:12,764 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-11-25 18:20:12,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:12,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474886512] [2022-11-25 18:20:12,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:12,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:12,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:12,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:12,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:12,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474886512] [2022-11-25 18:20:12,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474886512] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:20:12,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:20:12,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:20:12,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102910715] [2022-11-25 18:20:12,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:20:12,922 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:20:12,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:12,922 INFO L85 PathProgramCache]: Analyzing trace with hash 60779, now seen corresponding path program 1 times [2022-11-25 18:20:12,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:12,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368583358] [2022-11-25 18:20:12,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:12,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:12,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:12,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:12,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368583358] [2022-11-25 18:20:12,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368583358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:20:12,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:20:12,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 18:20:12,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678885722] [2022-11-25 18:20:12,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:20:12,946 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-25 18:20:12,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:12,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 18:20:12,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 18:20:12,950 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 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) [2022-11-25 18:20:12,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:12,967 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2022-11-25 18:20:12,967 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2022-11-25 18:20:12,967 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-25 18:20:12,968 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 19 transitions. [2022-11-25 18:20:12,968 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-25 18:20:12,968 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-25 18:20:12,969 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2022-11-25 18:20:12,969 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:20:12,969 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-25 18:20:12,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2022-11-25 18:20:12,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-25 18:20:12,970 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) [2022-11-25 18:20:12,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2022-11-25 18:20:12,971 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-25 18:20:12,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 18:20:12,972 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-25 18:20:12,972 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-25 18:20:12,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2022-11-25 18:20:12,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-25 18:20:12,973 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:20:12,973 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:20:12,974 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-25 18:20:12,974 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-25 18:20:12,974 INFO L748 eck$LassoCheckResult]: Stem: 145#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 146#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 147#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 148#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 151#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 149#L528-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 150#L515-3 [2022-11-25 18:20:12,974 INFO L750 eck$LassoCheckResult]: Loop: 150#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 154#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 155#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 157#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 158#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 156#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 150#L515-3 [2022-11-25 18:20:12,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:12,975 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2022-11-25 18:20:12,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:12,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219976273] [2022-11-25 18:20:12,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:12,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:13,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:13,059 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219976273] [2022-11-25 18:20:13,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219976273] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 18:20:13,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 18:20:13,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 18:20:13,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860612385] [2022-11-25 18:20:13,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 18:20:13,061 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:20:13,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:13,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 1 times [2022-11-25 18:20:13,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:13,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348010030] [2022-11-25 18:20:13,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:13,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:13,073 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:13,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:13,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:13,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 18:20:13,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-25 18:20:13,291 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:13,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:13,315 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2022-11-25 18:20:13,315 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-11-25 18:20:13,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-25 18:20:13,316 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2022-11-25 18:20:13,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-25 18:20:13,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-25 18:20:13,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2022-11-25 18:20:13,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:20:13,317 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-25 18:20:13,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2022-11-25 18:20:13,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2022-11-25 18:20:13,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:13,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 18 transitions. [2022-11-25 18:20:13,319 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-25 18:20:13,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 18:20:13,321 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 18 transitions. [2022-11-25 18:20:13,321 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-25 18:20:13,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 18 transitions. [2022-11-25 18:20:13,322 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-25 18:20:13,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:20:13,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:20:13,323 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:20:13,323 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-25 18:20:13,323 INFO L748 eck$LassoCheckResult]: Stem: 181#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 182#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 183#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 184#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 187#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 188#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 189#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 185#L528-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 186#L515-3 [2022-11-25 18:20:13,323 INFO L750 eck$LassoCheckResult]: Loop: 186#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 190#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 191#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 193#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 194#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 192#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 186#L515-3 [2022-11-25 18:20:13,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:13,324 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-11-25 18:20:13,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:13,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083726574] [2022-11-25 18:20:13,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:13,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:13,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:13,353 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:13,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:13,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 2 times [2022-11-25 18:20:13,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:13,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668000678] [2022-11-25 18:20:13,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:13,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:13,364 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:13,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:13,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:13,372 INFO L85 PathProgramCache]: Analyzing trace with hash -256077176, now seen corresponding path program 1 times [2022-11-25 18:20:13,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:13,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787444960] [2022-11-25 18:20:13,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:13,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:20:13,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:13,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787444960] [2022-11-25 18:20:13,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787444960] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:20:13,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069932685] [2022-11-25 18:20:13,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:13,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:20:13,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:13,694 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:20:13,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-25 18:20:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:13,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 18:20:13,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:13,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:20:13,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:20:13,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:20:13,895 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069932685] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:20:13,899 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:20:13,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 9 [2022-11-25 18:20:13,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008088107] [2022-11-25 18:20:13,900 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:20:14,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:14,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-25 18:20:14,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-25 18:20:14,048 INFO L87 Difference]: Start difference. First operand 14 states and 18 transitions. cyclomatic complexity: 6 Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 9 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) [2022-11-25 18:20:14,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:14,133 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2022-11-25 18:20:14,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2022-11-25 18:20:14,134 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-25 18:20:14,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 17 states and 20 transitions. [2022-11-25 18:20:14,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-25 18:20:14,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-25 18:20:14,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 20 transitions. [2022-11-25 18:20:14,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:20:14,135 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-25 18:20:14,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 20 transitions. [2022-11-25 18:20:14,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2022-11-25 18:20:14,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 18:20:14,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-25 18:20:14,138 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-25 18:20:14,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 18:20:14,139 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-25 18:20:14,139 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-25 18:20:14,139 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2022-11-25 18:20:14,140 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-25 18:20:14,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:20:14,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:20:14,141 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-11-25 18:20:14,141 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-25 18:20:14,141 INFO L748 eck$LassoCheckResult]: Stem: 319#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 320#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 321#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 322#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 325#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 326#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 327#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 328#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 334#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 323#L528-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 324#L515-3 [2022-11-25 18:20:14,141 INFO L750 eck$LassoCheckResult]: Loop: 324#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 329#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 330#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 332#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 333#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 331#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 324#L515-3 [2022-11-25 18:20:14,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:14,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1899756335, now seen corresponding path program 2 times [2022-11-25 18:20:14,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:14,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712854113] [2022-11-25 18:20:14,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:14,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:14,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:14,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:14,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:14,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1812321306, now seen corresponding path program 3 times [2022-11-25 18:20:14,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:14,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652220664] [2022-11-25 18:20:14,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:14,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:14,175 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:14,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:14,180 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:14,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:14,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1808202986, now seen corresponding path program 2 times [2022-11-25 18:20:14,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:14,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66231526] [2022-11-25 18:20:14,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:14,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:14,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:14,216 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:14,757 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:20:14,758 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:20:14,758 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:20:14,758 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:20:14,758 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:20:14,758 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:14,758 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:20:14,758 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:20:14,758 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-1.i_Iteration5_Lasso [2022-11-25 18:20:14,758 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:20:14,758 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:20:14,762 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,096 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,099 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,103 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,109 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,112 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,115 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,118 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,121 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,124 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,128 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,131 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,134 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,137 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,145 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:15,578 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:20:15,579 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:20:15,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:15,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:15,587 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:15,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-25 18:20:15,599 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 [2022-11-25 18:20:15,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:15,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:15,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:15,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:15,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:15,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:15,649 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:20:15,688 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-25 18:20:15,688 INFO L444 ModelExtractionUtils]: 24 out of 40 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-11-25 18:20:15,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:15,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:15,706 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:15,714 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:20:15,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-25 18:20:15,747 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 18:20:15,748 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:20:15,748 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~n#1, ULTIMATE.start_sort_~pass~0#1) = 1*ULTIMATE.start_sort_~n#1 - 1*ULTIMATE.start_sort_~pass~0#1 Supporting invariants [] [2022-11-25 18:20:15,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:15,771 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-25 18:20:15,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:15,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:20:15,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:15,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:15,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:20:15,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:15,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:20:15,901 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-25 18:20:15,902 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-11-25 18:20:15,925 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 22 states and 28 transitions. Complement of second has 4 states. [2022-11-25 18:20:15,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-25 18:20:15,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2022-11-25 18:20:15,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2022-11-25 18:20:15,929 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 6 letters. [2022-11-25 18:20:15,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:15,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 16 letters. Loop has 6 letters. [2022-11-25 18:20:15,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:15,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 10 letters. Loop has 12 letters. [2022-11-25 18:20:15,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:15,931 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2022-11-25 18:20:15,934 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 18:20:15,938 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 21 states and 27 transitions. [2022-11-25 18:20:15,939 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 18:20:15,939 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-25 18:20:15,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2022-11-25 18:20:15,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:20:15,940 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-25 18:20:15,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2022-11-25 18:20:15,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2022-11-25 18:20:15,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 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) [2022-11-25 18:20:15,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-11-25 18:20:15,944 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-25 18:20:15,944 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-25 18:20:15,944 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-25 18:20:15,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2022-11-25 18:20:15,947 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 18:20:15,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:20:15,947 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:20:15,948 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:20:15,948 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 18:20:15,949 INFO L748 eck$LassoCheckResult]: Stem: 448#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 449#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 450#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 451#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 454#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 455#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 456#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 457#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 467#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 452#L528-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 453#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 458#L516-3 [2022-11-25 18:20:15,949 INFO L750 eck$LassoCheckResult]: Loop: 458#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 459#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 464#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 458#L516-3 [2022-11-25 18:20:15,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:15,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1237095790, now seen corresponding path program 1 times [2022-11-25 18:20:15,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:15,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25620553] [2022-11-25 18:20:15,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:15,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:15,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:16,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:16,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:16,005 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 1 times [2022-11-25 18:20:16,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:16,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18240440] [2022-11-25 18:20:16,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:16,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:16,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:16,032 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:16,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:16,033 INFO L85 PathProgramCache]: Analyzing trace with hash -793648259, now seen corresponding path program 1 times [2022-11-25 18:20:16,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:16,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29856803] [2022-11-25 18:20:16,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:16,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:16,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:16,071 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:16,094 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:16,652 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:20:16,653 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:20:16,653 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:20:16,653 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:20:16,653 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:20:16,653 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:16,653 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:20:16,653 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:20:16,653 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-1.i_Iteration6_Lasso [2022-11-25 18:20:16,653 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:20:16,653 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:20:16,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:16,663 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:16,665 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:16,668 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:16,672 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:16,674 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:16,678 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:16,681 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:17,123 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:17,126 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:17,129 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:17,132 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:17,135 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:17,138 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:17,140 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:17,143 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:17,146 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:17,617 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:20:17,617 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:20:17,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:17,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:17,621 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:17,661 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 [2022-11-25 18:20:17,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-25 18:20:17,674 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:17,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:17,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:17,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:17,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:17,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:17,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:17,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:17,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:17,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:17,699 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:17,707 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 [2022-11-25 18:20:17,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-25 18:20:17,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:17,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:17,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:17,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:17,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:17,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:17,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:17,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:17,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:17,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:17,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:17,745 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:17,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-25 18:20:17,752 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 [2022-11-25 18:20:17,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:17,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:17,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:17,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:17,771 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:17,771 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:17,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:17,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:17,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:17,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:17,792 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:17,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-25 18:20:17,800 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 [2022-11-25 18:20:17,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:17,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:17,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:17,816 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:17,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:17,816 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:17,816 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:17,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:17,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:17,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:17,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:17,841 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:17,850 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 [2022-11-25 18:20:17,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:17,862 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:17,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:17,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:17,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:17,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-25 18:20:17,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:17,863 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:17,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:17,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:17,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:17,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:17,897 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:17,907 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 [2022-11-25 18:20:17,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-25 18:20:17,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:17,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:17,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:17,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:17,922 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:17,922 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:17,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:17,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:17,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:17,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:17,947 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:17,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:20:17,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:17,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:17,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:17,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:17,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-25 18:20:17,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:17,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:17,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:17,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:17,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:17,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:17,988 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:17,994 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 [2022-11-25 18:20:18,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-25 18:20:18,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:18,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:18,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:18,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:18,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:18,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:18,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:18,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:18,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:18,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:18,046 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:18,049 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 [2022-11-25 18:20:18,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:18,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:18,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:18,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:18,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-25 18:20:18,068 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:18,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:18,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:18,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:18,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:18,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:18,101 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:18,105 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 [2022-11-25 18:20:18,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-25 18:20:18,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:18,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:18,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:18,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:18,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:18,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:18,155 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:20:18,194 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-25 18:20:18,194 INFO L444 ModelExtractionUtils]: 10 out of 40 variables were initially zero. Simplification set additionally 24 variables to zero. [2022-11-25 18:20:18,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:18,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:18,196 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:18,202 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:20:18,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-25 18:20:18,224 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-25 18:20:18,224 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:20:18,224 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~i~0#1, ULTIMATE.start_sort_~pass~0#1) = -1*ULTIMATE.start_sort_~i~0#1 + 1073741823*ULTIMATE.start_sort_~pass~0#1 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_3 + 4294967292*ULTIMATE.start_sort_~pass~0#1 + 1*ULTIMATE.start_sort_~x#1.offset >= 0] [2022-11-25 18:20:18,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-25 18:20:18,272 INFO L156 tatePredicateManager]: 6 out of 8 supporting invariants were superfluous and have been removed [2022-11-25 18:20:18,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:18,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-25 18:20:18,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:18,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 18:20:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:18,508 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-25 18:20:18,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:18,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:18,557 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-25 18:20:18,557 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2022-11-25 18:20:18,640 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 26 transitions. cyclomatic complexity: 9. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) Result 34 states and 47 transitions. Complement of second has 9 states. [2022-11-25 18:20:18,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-25 18:20:18,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 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) [2022-11-25 18:20:18,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2022-11-25 18:20:18,641 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 11 letters. Loop has 3 letters. [2022-11-25 18:20:18,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:18,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-25 18:20:18,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:18,642 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 11 letters. Loop has 6 letters. [2022-11-25 18:20:18,642 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:18,643 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2022-11-25 18:20:18,643 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 18:20:18,644 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 25 states and 32 transitions. [2022-11-25 18:20:18,644 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 18:20:18,644 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-25 18:20:18,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 32 transitions. [2022-11-25 18:20:18,645 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:20:18,645 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 32 transitions. [2022-11-25 18:20:18,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 32 transitions. [2022-11-25 18:20:18,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 20. [2022-11-25 18:20:18,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 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) [2022-11-25 18:20:18,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-11-25 18:20:18,647 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-25 18:20:18,647 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-25 18:20:18,647 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-25 18:20:18,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2022-11-25 18:20:18,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 18:20:18,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:20:18,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:20:18,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:20:18,649 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 18:20:18,649 INFO L748 eck$LassoCheckResult]: Stem: 611#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 612#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 613#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 614#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 617#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 618#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 619#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 620#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 630#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 615#L528-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 616#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 623#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 624#L517 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 628#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 629#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 626#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 625#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 621#L516-3 [2022-11-25 18:20:18,649 INFO L750 eck$LassoCheckResult]: Loop: 621#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 622#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 627#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 621#L516-3 [2022-11-25 18:20:18,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:18,650 INFO L85 PathProgramCache]: Analyzing trace with hash 221564791, now seen corresponding path program 1 times [2022-11-25 18:20:18,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:18,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904474434] [2022-11-25 18:20:18,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:18,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:18,768 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:20:18,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:18,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904474434] [2022-11-25 18:20:18,769 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904474434] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:20:18,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507631780] [2022-11-25 18:20:18,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:18,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:20:18,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:18,772 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:20:18,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-25 18:20:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:18,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-25 18:20:18,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:18,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:20:18,916 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:20:18,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:20:18,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507631780] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:20:18,983 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:20:18,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-11-25 18:20:18,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677005187] [2022-11-25 18:20:18,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:20:18,984 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:20:18,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:18,985 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 2 times [2022-11-25 18:20:18,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:18,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789532397] [2022-11-25 18:20:18,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:18,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:18,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:18,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:19,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:19,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 18:20:19,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-25 18:20:19,096 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 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) [2022-11-25 18:20:19,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:19,191 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2022-11-25 18:20:19,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 38 transitions. [2022-11-25 18:20:19,192 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 18:20:19,192 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 23 states and 28 transitions. [2022-11-25 18:20:19,193 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-25 18:20:19,193 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-25 18:20:19,193 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 28 transitions. [2022-11-25 18:20:19,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:20:19,193 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 28 transitions. [2022-11-25 18:20:19,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 28 transitions. [2022-11-25 18:20:19,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2022-11-25 18:20:19,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 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) [2022-11-25 18:20:19,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-25 18:20:19,195 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-25 18:20:19,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-25 18:20:19,196 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-25 18:20:19,196 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-25 18:20:19,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2022-11-25 18:20:19,196 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 18:20:19,196 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:20:19,197 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:20:19,197 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:20:19,197 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 18:20:19,197 INFO L748 eck$LassoCheckResult]: Stem: 779#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 780#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 781#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 782#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 785#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 786#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 787#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 788#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 798#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 800#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 799#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 783#L528-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 784#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 791#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 792#L517 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 796#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 797#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 793#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 794#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 789#L516-3 [2022-11-25 18:20:19,197 INFO L750 eck$LassoCheckResult]: Loop: 789#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 790#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 795#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 789#L516-3 [2022-11-25 18:20:19,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:19,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1850126805, now seen corresponding path program 2 times [2022-11-25 18:20:19,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:19,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200921092] [2022-11-25 18:20:19,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:19,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:19,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:19,365 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:19,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:19,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200921092] [2022-11-25 18:20:19,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200921092] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:20:19,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [566881749] [2022-11-25 18:20:19,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 18:20:19,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:20:19,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:19,368 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:20:19,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-11-25 18:20:19,519 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 18:20:19,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:20:19,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-25 18:20:19,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:19,571 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:20:19,571 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:20:19,622 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-25 18:20:19,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [566881749] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:20:19,623 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:20:19,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2022-11-25 18:20:19,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811197219] [2022-11-25 18:20:19,623 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:20:19,623 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:20:19,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:19,624 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 3 times [2022-11-25 18:20:19,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:19,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320210573] [2022-11-25 18:20:19,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:19,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:19,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:19,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:19,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:19,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-25 18:20:19,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-25 18:20:19,731 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 13 states, 13 states have (on average 2.3846153846153846) internal successors, (31), 13 states have internal predecessors, (31), 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) [2022-11-25 18:20:19,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:19,976 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2022-11-25 18:20:19,976 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2022-11-25 18:20:19,977 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 18:20:19,977 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 43 states and 56 transitions. [2022-11-25 18:20:19,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2022-11-25 18:20:19,977 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-25 18:20:19,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 56 transitions. [2022-11-25 18:20:19,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:20:19,978 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 56 transitions. [2022-11-25 18:20:19,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 56 transitions. [2022-11-25 18:20:19,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 25. [2022-11-25 18:20:19,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 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) [2022-11-25 18:20:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2022-11-25 18:20:19,981 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-25 18:20:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-25 18:20:19,981 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2022-11-25 18:20:19,981 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-25 18:20:19,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2022-11-25 18:20:19,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 18:20:19,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:20:19,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:20:19,983 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:20:19,983 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 18:20:19,983 INFO L748 eck$LassoCheckResult]: Stem: 990#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 991#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 992#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 993#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 996#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 997#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 998#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 999#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1009#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1012#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1011#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 994#L528-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 995#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1006#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1014#L517 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1008#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1002#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1003#L517 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1010#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1013#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 1004#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 1005#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1000#L516-3 [2022-11-25 18:20:19,983 INFO L750 eck$LassoCheckResult]: Loop: 1000#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1001#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1007#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1000#L516-3 [2022-11-25 18:20:19,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:19,984 INFO L85 PathProgramCache]: Analyzing trace with hash -135460634, now seen corresponding path program 3 times [2022-11-25 18:20:19,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:19,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824910799] [2022-11-25 18:20:19,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:19,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:20,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:20,014 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:20,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:20,015 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 4 times [2022-11-25 18:20:20,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:20,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327238281] [2022-11-25 18:20:20,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:20,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:20,021 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:20,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:20,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:20,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1761549573, now seen corresponding path program 1 times [2022-11-25 18:20:20,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:20,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597558016] [2022-11-25 18:20:20,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:20,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,892 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 18:20:20,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:20,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597558016] [2022-11-25 18:20:20,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597558016] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:20:20,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112042048] [2022-11-25 18:20:20,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:20,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:20:20,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:20,902 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:20:20,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-11-25 18:20:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:20,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-25 18:20:20,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:21,146 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-25 18:20:21,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 10 [2022-11-25 18:20:21,166 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 18:20:21,166 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:20:21,305 INFO L321 Elim1Store]: treesize reduction 15, result has 65.1 percent of original size [2022-11-25 18:20:21,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 36 [2022-11-25 18:20:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-25 18:20:21,370 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112042048] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:20:21,371 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:20:21,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 7] total 19 [2022-11-25 18:20:21,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503903566] [2022-11-25 18:20:21,372 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:20:21,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:21,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-25 18:20:21,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2022-11-25 18:20:21,473 INFO L87 Difference]: Start difference. First operand 25 states and 31 transitions. cyclomatic complexity: 9 Second operand has 19 states, 19 states have (on average 2.526315789473684) internal successors, (48), 19 states have internal predecessors, (48), 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) [2022-11-25 18:20:21,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:21,768 INFO L93 Difference]: Finished difference Result 45 states and 58 transitions. [2022-11-25 18:20:21,768 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 58 transitions. [2022-11-25 18:20:21,768 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-25 18:20:21,770 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 45 states and 58 transitions. [2022-11-25 18:20:21,770 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-11-25 18:20:21,770 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2022-11-25 18:20:21,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 58 transitions. [2022-11-25 18:20:21,770 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:20:21,771 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 58 transitions. [2022-11-25 18:20:21,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 58 transitions. [2022-11-25 18:20:21,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2022-11-25 18:20:21,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 33 states have internal predecessors, (43), 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) [2022-11-25 18:20:21,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 43 transitions. [2022-11-25 18:20:21,774 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 43 transitions. [2022-11-25 18:20:21,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:20:21,775 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 43 transitions. [2022-11-25 18:20:21,775 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-25 18:20:21,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 43 transitions. [2022-11-25 18:20:21,776 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 18:20:21,776 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:20:21,776 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:20:21,777 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:20:21,777 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 18:20:21,777 INFO L748 eck$LassoCheckResult]: Stem: 1245#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1246#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1247#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1248#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1251#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1252#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1253#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1254#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1267#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1272#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1271#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1249#L528-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 1250#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1261#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1276#L517 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1266#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1257#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1258#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1269#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1275#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 1259#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 1260#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1255#L516-3 [2022-11-25 18:20:21,777 INFO L750 eck$LassoCheckResult]: Loop: 1255#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1256#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1265#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1255#L516-3 [2022-11-25 18:20:21,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:21,778 INFO L85 PathProgramCache]: Analyzing trace with hash -137307676, now seen corresponding path program 2 times [2022-11-25 18:20:21,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:21,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203962398] [2022-11-25 18:20:21,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:21,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:21,794 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:21,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:21,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:21,807 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 5 times [2022-11-25 18:20:21,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:21,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948917768] [2022-11-25 18:20:21,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:21,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:21,812 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:21,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:21,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:21,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1724071097, now seen corresponding path program 3 times [2022-11-25 18:20:21,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:21,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623231188] [2022-11-25 18:20:21,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:21,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:21,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:21,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:23,264 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:20:23,265 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:20:23,265 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:20:23,265 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:20:23,265 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:20:23,265 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:23,265 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:20:23,265 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:20:23,265 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-1.i_Iteration10_Lasso [2022-11-25 18:20:23,265 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:20:23,265 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:20:23,269 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:23,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:23,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:23,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:23,286 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:23,288 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:23,290 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:23,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:23,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:23,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:23,300 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:24,123 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:24,126 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:24,128 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:24,131 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:24,134 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:24,735 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:20:24,735 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:20:24,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:24,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:24,742 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:24,743 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 [2022-11-25 18:20:24,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-25 18:20:24,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:24,757 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:24,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:24,757 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:24,757 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:24,758 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:24,758 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:24,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:24,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:24,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:24,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:24,785 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:24,791 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 [2022-11-25 18:20:24,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-25 18:20:24,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:24,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:24,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:24,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:24,806 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:24,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:24,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:24,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-25 18:20:24,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:24,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:24,826 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:24,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-25 18:20:24,828 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 [2022-11-25 18:20:24,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:24,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:24,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:24,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:24,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:24,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:24,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:24,840 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:24,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:24,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:24,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:24,844 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:24,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-25 18:20:24,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:20:24,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:24,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:24,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:24,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:24,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:24,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:24,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:24,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:24,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:24,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:24,868 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:24,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-25 18:20:24,871 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 [2022-11-25 18:20:24,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:24,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:24,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:24,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:24,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:24,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:24,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:24,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:24,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:24,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:24,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:24,888 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:24,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-25 18:20:24,891 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 [2022-11-25 18:20:24,901 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:24,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:24,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:24,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:24,901 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:24,902 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:24,902 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:24,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:24,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-25 18:20:24,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:24,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:24,907 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:24,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-25 18:20:24,909 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 [2022-11-25 18:20:24,919 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:24,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:24,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:24,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:24,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:24,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:24,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:24,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:24,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:24,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:24,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:24,926 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:24,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-25 18:20:24,929 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 [2022-11-25 18:20:24,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:24,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:24,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:24,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:24,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:24,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:24,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:24,954 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:24,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-25 18:20:24,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:24,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:24,958 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:24,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-25 18:20:24,960 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 [2022-11-25 18:20:24,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:24,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:24,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:24,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:24,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:24,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:24,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:24,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-25 18:20:24,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:24,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:24,980 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:24,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-25 18:20:24,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-25 18:20:25,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:25,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:25,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:25,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:25,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:25,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:25,004 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:25,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:25,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-25 18:20:25,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:25,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:25,009 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:25,019 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 [2022-11-25 18:20:25,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-25 18:20:25,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:25,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:25,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:25,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:25,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:25,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:25,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:25,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:25,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:25,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:25,065 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:25,068 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 [2022-11-25 18:20:25,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-25 18:20:25,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:25,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:25,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:25,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:25,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:25,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:25,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:25,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:25,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:25,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:25,127 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:25,131 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 [2022-11-25 18:20:25,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-25 18:20:25,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:25,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:25,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:25,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:25,150 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:25,150 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:25,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:25,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:25,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:25,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:25,185 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:25,191 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 [2022-11-25 18:20:25,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:25,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:25,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:25,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:25,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:25,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:25,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-25 18:20:25,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:25,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:25,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:25,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:25,223 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:25,227 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 [2022-11-25 18:20:25,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-25 18:20:25,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:25,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:25,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:25,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:25,254 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:25,254 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:25,276 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:20:25,348 INFO L443 ModelExtractionUtils]: Simplification made 23 calls to the SMT solver. [2022-11-25 18:20:25,348 INFO L444 ModelExtractionUtils]: 7 out of 40 variables were initially zero. Simplification set additionally 27 variables to zero. [2022-11-25 18:20:25,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:25,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:25,355 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:25,360 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:20:25,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-25 18:20:25,371 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-25 18:20:25,372 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:20:25,372 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~numbers~0#1.offset, ULTIMATE.start_sort_~i~0#1) = -1*ULTIMATE.start_main_~numbers~0#1.offset - 4*ULTIMATE.start_sort_~i~0#1 + 8589934570 Supporting invariants [1431655764*ULTIMATE.start_main_~i~1#1 - 1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_4 >= 0] [2022-11-25 18:20:25,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:25,453 INFO L156 tatePredicateManager]: 11 out of 15 supporting invariants were superfluous and have been removed [2022-11-25 18:20:25,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:25,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-25 18:20:25,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:25,550 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 18:20:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:25,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 18:20:25,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:25,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:25,982 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-25 18:20:25,982 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2022-11-25 18:20:26,148 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) Result 64 states and 85 transitions. Complement of second has 13 states. [2022-11-25 18:20:26,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-25 18:20:26,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2022-11-25 18:20:26,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 26 transitions. [2022-11-25 18:20:26,150 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 26 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-25 18:20:26,150 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:26,150 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 18:20:26,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:26,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-25 18:20:26,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:26,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 18:20:26,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:26,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 18:20:26,608 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:26,685 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-25 18:20:26,686 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2022-11-25 18:20:26,855 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) Result 64 states and 85 transitions. Complement of second has 13 states. [2022-11-25 18:20:26,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-25 18:20:26,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2022-11-25 18:20:26,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 26 transitions. [2022-11-25 18:20:26,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 26 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-25 18:20:26,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:26,857 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 18:20:26,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:26,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-25 18:20:26,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:26,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-25 18:20:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:27,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-25 18:20:27,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:27,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:27,362 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2022-11-25 18:20:27,364 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2022-11-25 18:20:27,555 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 43 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) Result 77 states and 104 transitions. Complement of second has 12 states. [2022-11-25 18:20:27,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-25 18:20:27,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 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) [2022-11-25 18:20:27,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 40 transitions. [2022-11-25 18:20:27,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 22 letters. Loop has 3 letters. [2022-11-25 18:20:27,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:27,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 25 letters. Loop has 3 letters. [2022-11-25 18:20:27,560 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:27,560 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 40 transitions. Stem has 22 letters. Loop has 6 letters. [2022-11-25 18:20:27,561 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:27,561 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 104 transitions. [2022-11-25 18:20:27,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 18:20:27,562 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 39 states and 49 transitions. [2022-11-25 18:20:27,562 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-25 18:20:27,562 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-25 18:20:27,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2022-11-25 18:20:27,563 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:20:27,563 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2022-11-25 18:20:27,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2022-11-25 18:20:27,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2022-11-25 18:20:27,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.25) internal successors, (45), 35 states have internal predecessors, (45), 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) [2022-11-25 18:20:27,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2022-11-25 18:20:27,565 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 45 transitions. [2022-11-25 18:20:27,565 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2022-11-25 18:20:27,565 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-25 18:20:27,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 45 transitions. [2022-11-25 18:20:27,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 18:20:27,566 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:20:27,566 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:20:27,566 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:20:27,566 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 18:20:27,566 INFO L748 eck$LassoCheckResult]: Stem: 1876#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1877#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 1880#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1881#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 1882#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1883#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1884#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1885#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1911#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1910#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1909#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 1899#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 1898#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 1878#L528-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 1879#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1890#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1908#L517 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 1895#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1896#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1905#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1906#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1902#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 1901#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 1891#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 1886#L516-3 [2022-11-25 18:20:27,567 INFO L750 eck$LassoCheckResult]: Loop: 1886#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1887#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 1894#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 1886#L516-3 [2022-11-25 18:20:27,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:27,567 INFO L85 PathProgramCache]: Analyzing trace with hash -519847354, now seen corresponding path program 4 times [2022-11-25 18:20:27,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:27,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906092249] [2022-11-25 18:20:27,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:27,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:27,742 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:27,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 18:20:27,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906092249] [2022-11-25 18:20:27,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906092249] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 18:20:27,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579453839] [2022-11-25 18:20:27,743 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-25 18:20:27,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 18:20:27,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:27,747 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 18:20:27,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-11-25 18:20:27,836 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-25 18:20:27,836 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 18:20:27,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-25 18:20:27,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:27,989 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:27,990 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 18:20:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:28,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579453839] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 18:20:28,120 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-25 18:20:28,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 20 [2022-11-25 18:20:28,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092515614] [2022-11-25 18:20:28,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-25 18:20:28,121 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-25 18:20:28,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:28,122 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 6 times [2022-11-25 18:20:28,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:28,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132377476] [2022-11-25 18:20:28,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:28,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:28,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:28,131 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:28,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 18:20:28,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-25 18:20:28,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=300, Unknown=0, NotChecked=0, Total=380 [2022-11-25 18:20:28,240 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. cyclomatic complexity: 12 Second operand has 20 states, 20 states have (on average 2.25) internal successors, (45), 20 states have internal predecessors, (45), 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) [2022-11-25 18:20:28,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 18:20:28,473 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions. [2022-11-25 18:20:28,473 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 75 transitions. [2022-11-25 18:20:28,473 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 18:20:28,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 58 states and 75 transitions. [2022-11-25 18:20:28,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-25 18:20:28,474 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-25 18:20:28,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 58 states and 75 transitions. [2022-11-25 18:20:28,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-25 18:20:28,474 INFO L218 hiAutomatonCegarLoop]: Abstraction has 58 states and 75 transitions. [2022-11-25 18:20:28,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states and 75 transitions. [2022-11-25 18:20:28,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 43. [2022-11-25 18:20:28,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.255813953488372) internal successors, (54), 42 states have internal predecessors, (54), 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) [2022-11-25 18:20:28,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 54 transitions. [2022-11-25 18:20:28,477 INFO L240 hiAutomatonCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-11-25 18:20:28,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-25 18:20:28,478 INFO L428 stractBuchiCegarLoop]: Abstraction has 43 states and 54 transitions. [2022-11-25 18:20:28,479 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-25 18:20:28,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 54 transitions. [2022-11-25 18:20:28,479 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-25 18:20:28,479 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 18:20:28,479 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 18:20:28,480 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 18:20:28,480 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-25 18:20:28,480 INFO L748 eck$LassoCheckResult]: Stem: 2145#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2146#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_#t~nondet11#1, main_#t~post10#1, main_~i~1#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 2147#L523 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 2148#L523-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;main_~i~1#1 := 0; 2151#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2152#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2153#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2154#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2176#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2174#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2171#L528-3 assume !!(main_~i~1#1 < main_~array_size~0#1);call write~int(main_#t~nondet11#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet11#1; 2169#L528-2 main_#t~post10#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2168#L528-3 assume !(main_~i~1#1 < main_~array_size~0#1); 2149#L528-4 assume { :begin_inline_sort } true;sort_#in~x#1.base, sort_#in~x#1.offset, sort_#in~n#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc sort_#t~mem4#1, sort_#t~mem5#1, sort_#t~mem6#1, sort_#t~mem7#1, sort_~temp~0#1, sort_#t~post3#1, sort_#t~post2#1, sort_~x#1.base, sort_~x#1.offset, sort_~n#1, sort_~pass~0#1, sort_~i~0#1;sort_~x#1.base, sort_~x#1.offset := sort_#in~x#1.base, sort_#in~x#1.offset;sort_~n#1 := sort_#in~n#1;havoc sort_~pass~0#1;havoc sort_~i~0#1;sort_~pass~0#1 := 1; 2150#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 2159#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2186#L517 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 2163#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 2164#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2187#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2185#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 2184#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2181#L517 assume !(sort_#t~mem4#1 > sort_#t~mem5#1);havoc sort_#t~mem4#1;havoc sort_#t~mem5#1; 2182#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 2180#L516-3 assume !(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1); 2161#L515-2 sort_#t~post2#1 := sort_~pass~0#1;sort_~pass~0#1 := 1 + sort_#t~post2#1;havoc sort_#t~post2#1; 2160#L515-3 assume !!(sort_~pass~0#1 < sort_~n#1);sort_~i~0#1 := 0; 2155#L516-3 [2022-11-25 18:20:28,481 INFO L750 eck$LassoCheckResult]: Loop: 2155#L516-3 assume !!(sort_~i~0#1 < sort_~n#1 - sort_~pass~0#1);call sort_#t~mem4#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);call sort_#t~mem5#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2156#L517 assume sort_#t~mem4#1 > sort_#t~mem5#1;havoc sort_#t~mem4#1;havoc sort_#t~mem5#1;call sort_#t~mem6#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);sort_~temp~0#1 := sort_#t~mem6#1;havoc sort_#t~mem6#1;call sort_#t~mem7#1 := read~int(sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4);call write~int(sort_#t~mem7#1, sort_~x#1.base, sort_~x#1.offset + 4 * sort_~i~0#1, 4);havoc sort_#t~mem7#1;call write~int(sort_~temp~0#1, sort_~x#1.base, sort_~x#1.offset + 4 * (1 + sort_~i~0#1), 4); 2162#L516-2 sort_#t~post3#1 := sort_~i~0#1;sort_~i~0#1 := 1 + sort_#t~post3#1;havoc sort_#t~post3#1; 2155#L516-3 [2022-11-25 18:20:28,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:28,481 INFO L85 PathProgramCache]: Analyzing trace with hash 931747541, now seen corresponding path program 5 times [2022-11-25 18:20:28,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:28,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409976362] [2022-11-25 18:20:28,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:28,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:28,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:28,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:28,555 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:28,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:28,557 INFO L85 PathProgramCache]: Analyzing trace with hash 68618, now seen corresponding path program 7 times [2022-11-25 18:20:28,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:28,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275530490] [2022-11-25 18:20:28,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:28,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:28,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:28,562 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:28,569 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:28,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:28,570 INFO L85 PathProgramCache]: Analyzing trace with hash -682601290, now seen corresponding path program 6 times [2022-11-25 18:20:28,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 18:20:28,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53169685] [2022-11-25 18:20:28,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 18:20:28,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 18:20:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:28,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 18:20:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 18:20:28,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 18:20:31,416 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 18:20:31,416 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 18:20:31,416 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 18:20:31,416 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 18:20:31,416 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-25 18:20:31,417 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:31,417 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 18:20:31,417 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 18:20:31,417 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_BubbleSort-alloca-1.i_Iteration12_Lasso [2022-11-25 18:20:31,417 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 18:20:31,417 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 18:20:31,420 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:31,423 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:31,427 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:31,430 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:32,703 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:32,706 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:32,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:32,714 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:32,716 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:32,719 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:32,721 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:32,724 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:32,725 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:32,728 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:32,730 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:32,732 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 18:20:33,339 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 18:20:33,339 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-25 18:20:33,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:33,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:33,342 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:33,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-25 18:20:33,345 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 [2022-11-25 18:20:33,356 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:33,356 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:33,356 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:33,356 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:33,356 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:33,357 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:33,357 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:33,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:33,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-25 18:20:33,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:33,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:33,362 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:33,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-25 18:20:33,365 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 [2022-11-25 18:20:33,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:33,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:33,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:33,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:33,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:33,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:33,380 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:33,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-25 18:20:33,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:33,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:33,384 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:33,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-25 18:20:33,386 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 [2022-11-25 18:20:33,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:33,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-25 18:20:33,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:33,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:33,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:33,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-25 18:20:33,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-25 18:20:33,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-25 18:20:33,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-25 18:20:33,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:33,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:33,402 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:33,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-25 18:20:33,407 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 [2022-11-25 18:20:33,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-25 18:20:33,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-25 18:20:33,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-25 18:20:33,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-25 18:20:33,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-25 18:20:33,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-25 18:20:33,462 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-25 18:20:33,482 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-25 18:20:33,482 INFO L444 ModelExtractionUtils]: 28 out of 40 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-11-25 18:20:33,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 18:20:33,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 18:20:33,485 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 18:20:33,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-25 18:20:33,486 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-25 18:20:33,497 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-25 18:20:33,497 INFO L513 LassoAnalysis]: Proved termination. [2022-11-25 18:20:33,497 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sort_~i~0#1, ULTIMATE.start_sort_~n#1, ULTIMATE.start_sort_~pass~0#1) = -1*ULTIMATE.start_sort_~i~0#1 + 1*ULTIMATE.start_sort_~n#1 - 1*ULTIMATE.start_sort_~pass~0#1 Supporting invariants [] [2022-11-25 18:20:33,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:33,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:33,575 INFO L156 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2022-11-25 18:20:33,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:33,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:20:33,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:33,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:20:33,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:33,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:33,694 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-25 18:20:33,694 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-25 18:20:33,721 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) Result 68 states and 90 transitions. Complement of second has 7 states. [2022-11-25 18:20:33,722 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 [2022-11-25 18:20:33,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-25 18:20:33,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-25 18:20:33,723 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 27 letters. Loop has 3 letters. [2022-11-25 18:20:33,723 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:33,723 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 18:20:33,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:33,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:33,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:20:33,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:33,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:20:33,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:33,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:33,860 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-25 18:20:33,861 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-25 18:20:33,886 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) Result 68 states and 90 transitions. Complement of second has 7 states. [2022-11-25 18:20:33,887 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 [2022-11-25 18:20:33,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-25 18:20:33,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-25 18:20:33,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 27 letters. Loop has 3 letters. [2022-11-25 18:20:33,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:33,890 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-25 18:20:33,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 18:20:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:33,944 INFO L263 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 18:20:33,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 18:20:34,007 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 18:20:34,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 18:20:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 18:20:34,030 INFO L141 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 [2022-11-25 18:20:34,030 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-25 18:20:34,057 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 54 transitions. cyclomatic complexity: 14. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) Result 62 states and 84 transitions. Complement of second has 6 states. [2022-11-25 18:20:34,057 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 [2022-11-25 18:20:34,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 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) [2022-11-25 18:20:34,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2022-11-25 18:20:34,060 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 27 letters. Loop has 3 letters. [2022-11-25 18:20:34,061 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:34,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 30 letters. Loop has 3 letters. [2022-11-25 18:20:34,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:34,062 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 27 letters. Loop has 6 letters. [2022-11-25 18:20:34,062 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-25 18:20:34,062 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 84 transitions. [2022-11-25 18:20:34,063 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 18:20:34,063 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 0 states and 0 transitions. [2022-11-25 18:20:34,063 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-25 18:20:34,064 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-25 18:20:34,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-25 18:20:34,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-25 18:20:34,064 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:20:34,064 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:20:34,064 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 18:20:34,064 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-25 18:20:34,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-25 18:20:34,065 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-25 18:20:34,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-25 18:20:34,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 06:20:34 BoogieIcfgContainer [2022-11-25 18:20:34,072 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 18:20:34,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 18:20:34,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 18:20:34,074 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 18:20:34,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:20:10" (3/4) ... [2022-11-25 18:20:34,077 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 18:20:34,078 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 18:20:34,078 INFO L158 Benchmark]: Toolchain (without parser) took 24999.73ms. Allocated memory was 180.4MB in the beginning and 268.4MB in the end (delta: 88.1MB). Free memory was 135.2MB in the beginning and 186.3MB in the end (delta: -51.1MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2022-11-25 18:20:34,079 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:20:34,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 588.20ms. Allocated memory is still 180.4MB. Free memory was 135.2MB in the beginning and 118.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 18:20:34,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.80ms. Allocated memory is still 180.4MB. Free memory was 118.9MB in the beginning and 117.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:20:34,080 INFO L158 Benchmark]: Boogie Preprocessor took 24.14ms. Allocated memory is still 180.4MB. Free memory was 117.3MB in the beginning and 115.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 18:20:34,080 INFO L158 Benchmark]: RCFGBuilder took 377.96ms. Allocated memory is still 180.4MB. Free memory was 115.8MB in the beginning and 104.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 18:20:34,080 INFO L158 Benchmark]: BuchiAutomizer took 23933.54ms. Allocated memory was 180.4MB in the beginning and 268.4MB in the end (delta: 88.1MB). Free memory was 104.2MB in the beginning and 186.3MB in the end (delta: -82.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-11-25 18:20:34,081 INFO L158 Benchmark]: Witness Printer took 4.39ms. Allocated memory is still 268.4MB. Free memory is still 186.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 18:20:34,083 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 134.2MB. Free memory is still 76.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 588.20ms. Allocated memory is still 180.4MB. Free memory was 135.2MB in the beginning and 118.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.80ms. Allocated memory is still 180.4MB. Free memory was 118.9MB in the beginning and 117.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.14ms. Allocated memory is still 180.4MB. Free memory was 117.3MB in the beginning and 115.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 377.96ms. Allocated memory is still 180.4MB. Free memory was 115.8MB in the beginning and 104.2MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 23933.54ms. Allocated memory was 180.4MB in the beginning and 268.4MB in the end (delta: 88.1MB). Free memory was 104.2MB in the beginning and 186.3MB in the end (delta: -82.1MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Witness Printer took 4.39ms. Allocated memory is still 268.4MB. Free memory is still 186.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 12 terminating modules (7 trivial, 3 deterministic, 2 nondeterministic). One deterministic module has affine ranking function array_size + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * pass + n and consists of 3 locations. One deterministic module has affine ranking function 1073741823 * pass + -1 * i and consists of 6 locations. One nondeterministic module has affine ranking function -4 * i + 8589934570 + -1 * numbers and consists of 10 locations. One nondeterministic module has affine ranking function -1 * pass + n + -1 * i and consists of 4 locations. 7 modules have a trivial ranking function, the largest among these consists of 20 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 23.8s and 13 iterations. TraceHistogramMax:4. Analysis of lassos took 19.2s. Construction of modules took 0.7s. Büchi inclusion checks took 3.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 56 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 547 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 542 mSDsluCounter, 508 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 347 mSDsCounter, 71 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 852 IncrementalHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71 mSolverCounterUnsat, 161 mSDtfsCounter, 852 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU4 SILI1 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital303 mio100 ax108 hnf100 lsp89 ukn64 mio100 lsp57 div155 bol100 ite100 ukn100 eq159 hnf93 smp74 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-25 18:20:34,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:34,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2022-11-25 18:20:34,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-11-25 18:20:34,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-11-25 18:20:34,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-11-25 18:20:35,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1cde7e8-40ef-46ea-b960-f9f376888534/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE