./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b 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_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ffc745103ed55cbf924659873c1ffa566d33874f07e41d755dd0e85e8b4a5c0d --- 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-8393723 [2022-11-18 20:50:24,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:50:24,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:50:24,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:50:24,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:50:24,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:50:24,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:50:24,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:50:24,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:50:24,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:50:24,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:50:24,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:50:24,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:50:24,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:50:24,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:50:24,279 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:50:24,280 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:50:24,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:50:24,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:50:24,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:50:24,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:50:24,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:50:24,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:50:24,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:50:24,297 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:50:24,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:50:24,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:50:24,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:50:24,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:50:24,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:50:24,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:50:24,302 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:50:24,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:50:24,303 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:50:24,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:50:24,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:50:24,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:50:24,305 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:50:24,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:50:24,307 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:50:24,307 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:50:24,308 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 20:50:24,331 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:50:24,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:50:24,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:50:24,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:50:24,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:50:24,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:50:24,334 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:50:24,334 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:50:24,335 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:50:24,335 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:50:24,335 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:50:24,335 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:50:24,336 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:50:24,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:50:24,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:50:24,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:50:24,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:50:24,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:50:24,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:50:24,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:50:24,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:50:24,338 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:50:24,339 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:50:24,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:50:24,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:50:24,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:50:24,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:50:24,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:50:24,341 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:50:24,342 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_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ffc745103ed55cbf924659873c1ffa566d33874f07e41d755dd0e85e8b4a5c0d [2022-11-18 20:50:24,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:50:24,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:50:24,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:50:24,602 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:50:24,603 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:50:24,604 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i [2022-11-18 20:50:24,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/data/888f45a05/f508bfb4571c4054ad3b5e8ae8fdfb1e/FLAG8f2e98c6d [2022-11-18 20:50:25,291 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:50:25,294 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/sv-benchmarks/c/termination-memory-alloca/selectionsort-alloca-2.i [2022-11-18 20:50:25,304 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/data/888f45a05/f508bfb4571c4054ad3b5e8ae8fdfb1e/FLAG8f2e98c6d [2022-11-18 20:50:25,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/data/888f45a05/f508bfb4571c4054ad3b5e8ae8fdfb1e [2022-11-18 20:50:25,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:50:25,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:50:25,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:50:25,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:50:25,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:50:25,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:50:25" (1/1) ... [2022-11-18 20:50:25,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2128ce9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:25, skipping insertion in model container [2022-11-18 20:50:25,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:50:25" (1/1) ... [2022-11-18 20:50:25,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:50:25,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:50:25,938 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:50:25,948 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:50:25,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:50:26,008 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:50:26,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:26 WrapperNode [2022-11-18 20:50:26,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:50:26,010 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:50:26,010 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:50:26,010 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:50:26,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:26" (1/1) ... [2022-11-18 20:50:26,029 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:26" (1/1) ... [2022-11-18 20:50:26,048 INFO L138 Inliner]: procedures = 111, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2022-11-18 20:50:26,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:50:26,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:50:26,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:50:26,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:50:26,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:26" (1/1) ... [2022-11-18 20:50:26,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:26" (1/1) ... [2022-11-18 20:50:26,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:26" (1/1) ... [2022-11-18 20:50:26,061 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:26" (1/1) ... [2022-11-18 20:50:26,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:26" (1/1) ... [2022-11-18 20:50:26,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:26" (1/1) ... [2022-11-18 20:50:26,071 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:26" (1/1) ... [2022-11-18 20:50:26,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:26" (1/1) ... [2022-11-18 20:50:26,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:50:26,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:50:26,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:50:26,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:50:26,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:26" (1/1) ... [2022-11-18 20:50:26,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:26,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:26,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:26,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:50:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:50:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:50:26,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:50:26,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:50:26,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:50:26,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:50:26,280 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:50:26,283 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:50:26,430 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:50:26,436 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:50:26,436 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:50:26,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:50:26 BoogieIcfgContainer [2022-11-18 20:50:26,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:50:26,440 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:50:26,440 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:50:26,459 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:50:26,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:50:26,461 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:50:25" (1/3) ... [2022-11-18 20:50:26,462 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4257c4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:50:26, skipping insertion in model container [2022-11-18 20:50:26,462 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:50:26,462 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:50:26" (2/3) ... [2022-11-18 20:50:26,462 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4257c4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:50:26, skipping insertion in model container [2022-11-18 20:50:26,463 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:50:26,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:50:26" (3/3) ... [2022-11-18 20:50:26,464 INFO L332 chiAutomizerObserver]: Analyzing ICFG selectionsort-alloca-2.i [2022-11-18 20:50:26,521 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:50:26,521 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:50:26,521 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:50:26,521 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:50:26,521 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:50:26,522 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:50:26,522 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:50:26,522 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:50:26,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) 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) [2022-11-18 20:50:26,545 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-18 20:50:26,545 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:50:26,546 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:50:26,552 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-18 20:50:26,552 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:50:26,553 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:50:26,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) 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) [2022-11-18 20:50:26,555 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-18 20:50:26,555 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:50:26,555 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:50:26,556 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-18 20:50:26,556 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:50:26,564 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; 8#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_~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; 10#L566true assume !(main_~array_size~0#1 < 1); 12#L566-2true call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 7#L550-3true [2022-11-18 20:50:26,564 INFO L750 eck$LassoCheckResult]: Loop: 7#L550-3true assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 13#L554-3true assume !true; 9#L554-4true call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 14#L550-2true SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 7#L550-3true [2022-11-18 20:50:26,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:26,571 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-11-18 20:50:26,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:26,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241732487] [2022-11-18 20:50:26,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:26,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:26,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:50:26,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:26,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:50:26,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:26,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1463796, now seen corresponding path program 1 times [2022-11-18 20:50:26,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:26,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854929058] [2022-11-18 20:50:26,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:26,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:26,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:26,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:26,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854929058] [2022-11-18 20:50:26,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854929058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:26,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:26,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:50:26,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539741247] [2022-11-18 20:50:26,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:26,858 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:50:26,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:26,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 20:50:26,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 20:50:26,896 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.4615384615384615) 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-18 20:50:26,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:26,903 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2022-11-18 20:50:26,904 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2022-11-18 20:50:26,905 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-18 20:50:26,909 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 13 transitions. [2022-11-18 20:50:26,910 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:50:26,910 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-18 20:50:26,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2022-11-18 20:50:26,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:50:26,911 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-18 20:50:26,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2022-11-18 20:50:26,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-18 20:50:26,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:50:26,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2022-11-18 20:50:26,949 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-18 20:50:26,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 20:50:26,959 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-18 20:50:26,959 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:50:26,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2022-11-18 20:50:26,961 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-18 20:50:26,962 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:50:26,962 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:50:26,962 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-18 20:50:26,963 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:50:26,963 INFO L748 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 37#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~malloc9#1.base, main_#t~malloc9#1.offset, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;main_~array_size~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 44#L566 assume !(main_~array_size~0#1 < 1); 41#L566-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 42#L550-3 [2022-11-18 20:50:26,963 INFO L750 eck$LassoCheckResult]: Loop: 42#L550-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 40#L554-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 43#L554-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 45#L550-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 42#L550-3 [2022-11-18 20:50:26,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:26,965 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 2 times [2022-11-18 20:50:26,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:26,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431401670] [2022-11-18 20:50:26,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:26,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:27,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:50:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:27,030 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:50:27,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:27,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1453225, now seen corresponding path program 1 times [2022-11-18 20:50:27,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:27,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117610089] [2022-11-18 20:50:27,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:27,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:27,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:27,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:27,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117610089] [2022-11-18 20:50:27,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117610089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:50:27,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:50:27,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:50:27,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590213980] [2022-11-18 20:50:27,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:50:27,103 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-18 20:50:27,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:27,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:50:27,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:50:27,104 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-11-18 20:50:27,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:27,123 INFO L93 Difference]: Finished difference Result 11 states and 14 transitions. [2022-11-18 20:50:27,123 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 14 transitions. [2022-11-18 20:50:27,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-18 20:50:27,125 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 14 transitions. [2022-11-18 20:50:27,125 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:50:27,125 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-18 20:50:27,125 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2022-11-18 20:50:27,125 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:50:27,126 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-18 20:50:27,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2022-11-18 20:50:27,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2022-11-18 20:50:27,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 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) [2022-11-18 20:50:27,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-11-18 20:50:27,128 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-18 20:50:27,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:50:27,129 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-18 20:50:27,129 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:50:27,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2022-11-18 20:50:27,130 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-18 20:50:27,130 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:50:27,130 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:50:27,131 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-18 20:50:27,131 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:27,131 INFO L748 eck$LassoCheckResult]: Stem: 63#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 64#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_~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; 71#L566 assume !(main_~array_size~0#1 < 1); 68#L566-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 69#L550-3 [2022-11-18 20:50:27,132 INFO L750 eck$LassoCheckResult]: Loop: 69#L550-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 70#L554-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 65#L556 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 66#L554-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 67#L554-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 72#L554-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 73#L550-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 69#L550-3 [2022-11-18 20:50:27,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:27,132 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 3 times [2022-11-18 20:50:27,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:27,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193409454] [2022-11-18 20:50:27,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:27,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:27,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:27,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:50:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:27,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:50:27,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:27,160 INFO L85 PathProgramCache]: Analyzing trace with hash 393067660, now seen corresponding path program 1 times [2022-11-18 20:50:27,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:27,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482709425] [2022-11-18 20:50:27,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:27,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:27,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:50:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:27,199 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:50:27,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:27,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1419424808, now seen corresponding path program 1 times [2022-11-18 20:50:27,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:27,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113305497] [2022-11-18 20:50:27,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:27,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:27,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:50:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:27,291 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:50:27,929 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:50:27,930 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:50:27,930 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:50:27,930 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:50:27,930 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:50:27,930 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:27,931 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:50:27,931 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:50:27,931 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-2.i_Iteration3_Lasso [2022-11-18 20:50:27,931 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:50:27,931 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:50:27,977 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:28,354 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:28,358 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:28,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:28,365 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:28,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:28,372 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:28,375 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:28,378 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:28,381 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:28,384 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:28,387 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:28,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:28,393 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:28,913 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:50:28,921 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:50:28,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:28,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:28,931 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:28,946 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 [2022-11-18 20:50:28,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:50:28,959 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:28,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:28,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:28,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:28,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:50:28,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:50:28,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:29,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:29,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:29,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:29,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:29,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:50:29,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:29,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:29,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:29,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:29,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:50:29,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:50:29,104 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:50:29,137 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:50:29,317 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-11-18 20:50:29,318 INFO L444 ModelExtractionUtils]: 22 out of 40 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-18 20:50:29,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:29,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:29,335 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:29,356 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:50:29,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:50:29,389 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-18 20:50:29,389 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:50:29,390 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~i~0#1) = -4*ULTIMATE.start_SelectionSort_~i~0#1 + 18446744073709551605 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_main_#t~malloc9#1.base)_1 + 1*ULTIMATE.start_SelectionSort_~a#1.offset + 18446744073709551612 >= 0] [2022-11-18 20:50:29,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:29,427 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2022-11-18 20:50:29,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:29,523 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-18 20:50:29,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:50:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:29,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:50:29,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:50:29,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:29,754 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-18 20:50:29,756 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-18 20:50:29,873 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 18 states and 24 transitions. Complement of second has 6 states. [2022-11-18 20:50:29,874 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 [2022-11-18 20:50:29,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-18 20:50:29,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-11-18 20:50:29,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 7 letters. [2022-11-18 20:50:29,879 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:50:29,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 11 letters. Loop has 7 letters. [2022-11-18 20:50:29,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:50:29,880 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 4 letters. Loop has 14 letters. [2022-11-18 20:50:29,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:50:29,881 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 24 transitions. [2022-11-18 20:50:29,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:50:29,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 16 states and 22 transitions. [2022-11-18 20:50:29,890 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-18 20:50:29,890 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-18 20:50:29,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2022-11-18 20:50:29,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:50:29,890 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-18 20:50:29,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2022-11-18 20:50:29,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-11-18 20:50:29,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:50:29,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2022-11-18 20:50:29,894 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-11-18 20:50:29,894 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2022-11-18 20:50:29,894 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:50:29,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2022-11-18 20:50:29,897 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:50:29,897 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:50:29,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:50:29,897 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:50:29,897 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:50:29,898 INFO L748 eck$LassoCheckResult]: Stem: 170#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 171#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_~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; 184#L566 assume !(main_~array_size~0#1 < 1); 179#L566-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 180#L550-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 176#L554-3 [2022-11-18 20:50:29,898 INFO L750 eck$LassoCheckResult]: Loop: 176#L554-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 172#L556 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 173#L554-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 176#L554-3 [2022-11-18 20:50:29,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:29,899 INFO L85 PathProgramCache]: Analyzing trace with hash 28695756, now seen corresponding path program 1 times [2022-11-18 20:50:29,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:29,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85439649] [2022-11-18 20:50:29,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:29,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:29,923 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:50:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:29,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:50:29,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:29,950 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 1 times [2022-11-18 20:50:29,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:29,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40228906] [2022-11-18 20:50:29,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:29,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:29,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:50:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:29,975 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:50:29,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:29,976 INFO L85 PathProgramCache]: Analyzing trace with hash 176800017, now seen corresponding path program 1 times [2022-11-18 20:50:29,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:29,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824576569] [2022-11-18 20:50:29,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:29,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:29,999 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:50:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:30,012 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:50:30,425 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:50:30,426 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:50:30,426 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:50:30,426 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:50:30,426 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:50:30,426 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:30,426 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:50:30,426 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:50:30,426 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-2.i_Iteration4_Lasso [2022-11-18 20:50:30,427 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:50:30,427 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:50:30,429 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,432 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,435 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,437 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,440 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,442 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,465 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,470 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,475 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,478 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,481 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:30,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,218 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:50:31,218 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:50:31,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,224 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,236 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 [2022-11-18 20:50:31,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:50:31,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:50:31,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,251 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:50:31,251 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:50:31,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,271 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,280 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 [2022-11-18 20:50:31,293 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,293 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:50:31,293 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,293 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,293 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:50:31,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:50:31,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:50:31,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,325 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,338 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 [2022-11-18 20:50:31,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:50:31,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:50:31,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:50:31,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:50:31,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,374 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:50:31,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,395 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,397 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:50:31,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:50:31,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:50:31,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,423 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,432 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 [2022-11-18 20:50:31,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:50:31,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:50:31,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:50:31,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:50:31,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,472 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:50:31,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,493 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:50:31,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:50:31,494 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:50:31,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:50:31,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,516 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,525 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 [2022-11-18 20:50:31,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:50:31,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:50:31,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:50:31,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,561 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,569 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 [2022-11-18 20:50:31,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:50:31,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:50:31,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:50:31,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,604 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,609 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 [2022-11-18 20:50:31,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:50:31,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:50:31,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:50:31,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:50:31,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,657 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:50:31,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:50:31,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:50:31,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:50:31,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:50:31,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,699 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:50:31,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:50:31,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:50:31,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:50:31,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:50:31,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,756 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,760 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 [2022-11-18 20:50:31,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:50:31,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,773 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:50:31,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:50:31,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:50:31,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,793 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:50:31,798 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 [2022-11-18 20:50:31,811 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,811 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,814 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:50:31,814 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:50:31,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,835 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,844 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 [2022-11-18 20:50:31,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:50:31,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:50:31,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:50:31,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,885 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,890 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 [2022-11-18 20:50:31,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:50:31,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:50:31,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:50:31,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 20:50:31,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,923 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 20:50:31,932 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 [2022-11-18 20:50:31,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:31,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:50:31,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:50:31,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:31,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:31,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:31,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:31,979 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:31,983 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 [2022-11-18 20:50:31,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 20:50:31,996 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:31,996 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:31,996 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:31,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:32,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:50:32,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:50:32,034 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:50:32,086 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-18 20:50:32,086 INFO L444 ModelExtractionUtils]: 9 out of 40 variables were initially zero. Simplification set additionally 27 variables to zero. [2022-11-18 20:50:32,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:32,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:32,088 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:32,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:50:32,091 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:50:32,102 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:50:32,102 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:50:32,102 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_SelectionSort_~a#1.base)_2, ULTIMATE.start_SelectionSort_~a#1.offset, ULTIMATE.start_SelectionSort_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_SelectionSort_~a#1.base)_2 - 1*ULTIMATE.start_SelectionSort_~a#1.offset - 4*ULTIMATE.start_SelectionSort_~j~0#1 Supporting invariants [] [2022-11-18 20:50:32,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:32,128 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2022-11-18 20:50:32,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:32,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:50:32,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:50:32,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:32,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:50:32,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:50:32,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:32,243 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 [2022-11-18 20:50:32,244 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:50:32,275 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 47 transitions. Complement of second has 7 states. [2022-11-18 20:50:32,276 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 [2022-11-18 20:50:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:50:32,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-11-18 20:50:32,277 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-18 20:50:32,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:50:32,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 8 letters. Loop has 3 letters. [2022-11-18 20:50:32,278 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:50:32,278 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 5 letters. Loop has 6 letters. [2022-11-18 20:50:32,279 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:50:32,279 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 47 transitions. [2022-11-18 20:50:32,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:50:32,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 22 states and 30 transitions. [2022-11-18 20:50:32,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-18 20:50:32,291 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-11-18 20:50:32,291 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 30 transitions. [2022-11-18 20:50:32,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:50:32,291 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 30 transitions. [2022-11-18 20:50:32,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 30 transitions. [2022-11-18 20:50:32,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. [2022-11-18 20:50:32,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:50:32,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2022-11-18 20:50:32,296 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-18 20:50:32,296 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2022-11-18 20:50:32,296 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-18 20:50:32,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2022-11-18 20:50:32,300 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:50:32,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:50:32,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:50:32,301 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:32,301 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:50:32,301 INFO L748 eck$LassoCheckResult]: Stem: 281#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 282#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_~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; 295#L566 assume !(main_~array_size~0#1 < 1); 290#L566-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 291#L550-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 289#L554-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 285#L556 assume !(SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1);havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1; 286#L554-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 288#L554-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 293#L554-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 294#L550-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 292#L550-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 287#L554-3 [2022-11-18 20:50:32,302 INFO L750 eck$LassoCheckResult]: Loop: 287#L554-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 283#L556 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 284#L554-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 287#L554-3 [2022-11-18 20:50:32,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:32,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1109754407, now seen corresponding path program 1 times [2022-11-18 20:50:32,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:32,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [701208917] [2022-11-18 20:50:32,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:32,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:32,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:50:32,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [701208917] [2022-11-18 20:50:32,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [701208917] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-18 20:50:32,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538905468] [2022-11-18 20:50:32,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:32,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-18 20:50:32,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:32,449 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-18 20:50:32,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-18 20:50:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:32,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-18 20:50:32,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:50:32,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:32,530 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:50:32,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:32,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538905468] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:50:32,564 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-18 20:50:32,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 5 [2022-11-18 20:50:32,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001747609] [2022-11-18 20:50:32,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-18 20:50:32,564 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-18 20:50:32,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:32,565 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 2 times [2022-11-18 20:50:32,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:32,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497183723] [2022-11-18 20:50:32,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:32,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:32,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:50:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:32,579 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:50:32,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:50:32,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 20:50:32,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-18 20:50:32,656 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 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) [2022-11-18 20:50:32,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:50:32,714 INFO L93 Difference]: Finished difference Result 29 states and 38 transitions. [2022-11-18 20:50:32,714 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 38 transitions. [2022-11-18 20:50:32,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:50:32,715 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 26 states and 35 transitions. [2022-11-18 20:50:32,715 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-18 20:50:32,715 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-18 20:50:32,715 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 35 transitions. [2022-11-18 20:50:32,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 20:50:32,715 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2022-11-18 20:50:32,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 35 transitions. [2022-11-18 20:50:32,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 18. [2022-11-18 20:50:32,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 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) [2022-11-18 20:50:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2022-11-18 20:50:32,717 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-18 20:50:32,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 20:50:32,719 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-18 20:50:32,719 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-18 20:50:32,719 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2022-11-18 20:50:32,719 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-18 20:50:32,719 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:50:32,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:50:32,721 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:50:32,721 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 20:50:32,721 INFO L748 eck$LassoCheckResult]: Stem: 404#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 405#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_~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; 419#L566 assume !(main_~array_size~0#1 < 1); 413#L566-2 call main_#t~malloc9#1.base, main_#t~malloc9#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 18446744073709551616);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc9#1.base, main_#t~malloc9#1.offset;assume { :begin_inline_SelectionSort } true;SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset, SelectionSort_#in~array_size#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc SelectionSort_#t~mem4#1, SelectionSort_#t~mem5#1, SelectionSort_#t~pre3#1, SelectionSort_#t~mem6#1, SelectionSort_#t~mem7#1, SelectionSort_#t~pre2#1, SelectionSort_~j~0#1, SelectionSort_~min~0#1, SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset, SelectionSort_~array_size#1, SelectionSort_~i~0#1;SelectionSort_~a#1.base, SelectionSort_~a#1.offset := SelectionSort_#in~a#1.base, SelectionSort_#in~a#1.offset;SelectionSort_~array_size#1 := SelectionSort_#in~array_size#1;havoc SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 0; 414#L550-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 415#L554-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 421#L556 assume !(SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1);havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1; 411#L554-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 412#L554-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 408#L556 assume !(SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1);havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1; 409#L554-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 420#L554-3 assume !(SelectionSort_~j~0#1 < SelectionSort_~array_size#1); 417#L554-4 call SelectionSort_#t~mem6#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);SelectionSort_~temp~0#1 := SelectionSort_#t~mem6#1;havoc SelectionSort_#t~mem6#1;call SelectionSort_#t~mem7#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4);call write~int(SelectionSort_#t~mem7#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~i~0#1, 4);havoc SelectionSort_#t~mem7#1;call write~int(SelectionSort_~temp~0#1, SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 418#L550-2 SelectionSort_#t~pre2#1 := 1 + SelectionSort_~i~0#1;SelectionSort_~i~0#1 := 1 + SelectionSort_~i~0#1;havoc SelectionSort_#t~pre2#1; 416#L550-3 assume !!(SelectionSort_~i~0#1 < SelectionSort_~array_size#1 - 1);havoc SelectionSort_~j~0#1;havoc SelectionSort_~min~0#1;havoc SelectionSort_~temp~0#1;SelectionSort_~min~0#1 := SelectionSort_~i~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~i~0#1; 410#L554-3 [2022-11-18 20:50:32,721 INFO L750 eck$LassoCheckResult]: Loop: 410#L554-3 assume !!(SelectionSort_~j~0#1 < SelectionSort_~array_size#1);call SelectionSort_#t~mem4#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~j~0#1, 4);call SelectionSort_#t~mem5#1 := read~int(SelectionSort_~a#1.base, SelectionSort_~a#1.offset + 4 * SelectionSort_~min~0#1, 4); 406#L556 assume SelectionSort_#t~mem4#1 < SelectionSort_#t~mem5#1;havoc SelectionSort_#t~mem4#1;havoc SelectionSort_#t~mem5#1;SelectionSort_~min~0#1 := SelectionSort_~j~0#1; 407#L554-2 SelectionSort_#t~pre3#1 := 1 + SelectionSort_~j~0#1;SelectionSort_~j~0#1 := 1 + SelectionSort_~j~0#1;havoc SelectionSort_#t~pre3#1; 410#L554-3 [2022-11-18 20:50:32,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:32,722 INFO L85 PathProgramCache]: Analyzing trace with hash -366799804, now seen corresponding path program 2 times [2022-11-18 20:50:32,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:32,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894715104] [2022-11-18 20:50:32,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:32,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:32,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:50:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:32,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:50:32,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:32,770 INFO L85 PathProgramCache]: Analyzing trace with hash 54716, now seen corresponding path program 3 times [2022-11-18 20:50:32,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:32,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136571608] [2022-11-18 20:50:32,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:32,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:32,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:32,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:50:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:32,782 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:50:32,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:32,783 INFO L85 PathProgramCache]: Analyzing trace with hash -936135015, now seen corresponding path program 1 times [2022-11-18 20:50:32,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:50:32,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890624184] [2022-11-18 20:50:32,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:50:32,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:50:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:32,804 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:50:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:50:32,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:50:33,572 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:50:33,572 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:50:33,572 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:50:33,572 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:50:33,572 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:50:33,572 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:33,572 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:50:33,572 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:50:33,572 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionsort-alloca-2.i_Iteration6_Lasso [2022-11-18 20:50:33,572 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:50:33,572 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:50:33,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,582 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,588 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,590 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,594 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,597 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,948 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,951 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,953 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,956 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,958 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,963 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,966 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:33,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:50:34,401 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:50:34,401 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:50:34,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:34,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:34,405 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:34,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 20:50:34,411 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 [2022-11-18 20:50:34,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:34,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:50:34,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:34,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:34,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:34,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:50:34,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:50:34,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:34,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:34,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:34,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:34,428 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:34,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 20:50:34,431 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 [2022-11-18 20:50:34,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:34,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:34,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:34,444 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:34,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:50:34,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:50:34,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:34,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:34,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:34,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:34,471 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:34,479 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 [2022-11-18 20:50:34,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:34,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:50:34,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:34,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:34,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:34,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:50:34,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:50:34,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 20:50:34,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:34,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:34,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:34,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:34,512 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:34,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 20:50:34,516 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 [2022-11-18 20:50:34,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:34,527 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:50:34,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:34,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:34,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:34,528 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:50:34,528 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:50:34,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:34,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:34,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:34,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:34,537 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:34,539 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 [2022-11-18 20:50:34,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 20:50:34,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:34,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:34,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:34,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:34,551 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:50:34,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:50:34,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:34,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:34,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:34,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:34,590 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:34,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 20:50:34,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:50:34,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:34,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:50:34,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:34,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:34,610 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:34,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:50:34,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:50:34,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:50:34,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:34,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:34,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:34,637 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:34,645 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 [2022-11-18 20:50:34,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 20:50:34,659 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:50:34,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:50:34,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:50:34,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:50:34,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:50:34,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:50:34,707 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:50:34,757 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-11-18 20:50:34,757 INFO L444 ModelExtractionUtils]: 17 out of 37 variables were initially zero. Simplification set additionally 17 variables to zero. [2022-11-18 20:50:34,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:50:34,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:50:34,767 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:50:34,768 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:50:34,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 20:50:34,803 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:50:34,804 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:50:34,804 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_SelectionSort_~array_size#1, ULTIMATE.start_SelectionSort_~j~0#1) = 1*ULTIMATE.start_SelectionSort_~array_size#1 - 1*ULTIMATE.start_SelectionSort_~j~0#1 Supporting invariants [] [2022-11-18 20:50:34,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:34,829 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-18 20:50:34,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:34,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:34,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:50:34,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:50:34,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:34,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:50:34,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:50:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:34,949 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 [2022-11-18 20:50:34,950 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:50:34,980 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 48 transitions. Complement of second has 7 states. [2022-11-18 20:50:34,981 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 [2022-11-18 20:50:34,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:50:34,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-11-18 20:50:34,982 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-18 20:50:34,982 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:50:34,982 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:50:34,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:35,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:35,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:50:35,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:50:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:35,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:50:35,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:50:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:35,081 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 [2022-11-18 20:50:35,081 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:50:35,102 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 48 transitions. Complement of second has 7 states. [2022-11-18 20:50:35,103 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 [2022-11-18 20:50:35,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:50:35,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-11-18 20:50:35,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-18 20:50:35,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:50:35,104 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-18 20:50:35,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:50:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:35,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:50:35,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:50:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:50:35,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:50:35,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:50:35,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:50:35,206 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 [2022-11-18 20:50:35,206 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:50:35,226 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 39 transitions. Complement of second has 6 states. [2022-11-18 20:50:35,227 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 [2022-11-18 20:50:35,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:50:35,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-11-18 20:50:35,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 15 letters. Loop has 3 letters. [2022-11-18 20:50:35,228 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:50:35,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 18 letters. Loop has 3 letters. [2022-11-18 20:50:35,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:50:35,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 15 letters. Loop has 6 letters. [2022-11-18 20:50:35,230 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:50:35,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 39 transitions. [2022-11-18 20:50:35,231 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:50:35,231 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2022-11-18 20:50:35,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:50:35,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:50:35,232 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:50:35,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:50:35,232 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:50:35,232 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:50:35,232 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:50:35,233 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-18 20:50:35,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:50:35,233 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:50:35,233 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:50:35,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:50:35 BoogieIcfgContainer [2022-11-18 20:50:35,241 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:50:35,241 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:50:35,242 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:50:35,242 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:50:35,242 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:50:26" (3/4) ... [2022-11-18 20:50:35,245 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:50:35,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:50:35,246 INFO L158 Benchmark]: Toolchain (without parser) took 9682.74ms. Allocated memory was 132.1MB in the beginning and 197.1MB in the end (delta: 65.0MB). Free memory was 101.6MB in the beginning and 144.1MB in the end (delta: -42.5MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-11-18 20:50:35,247 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 43.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:50:35,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.50ms. Allocated memory is still 132.1MB. Free memory was 101.3MB in the beginning and 104.0MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:50:35,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.35ms. Allocated memory is still 132.1MB. Free memory was 103.6MB in the beginning and 101.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:50:35,248 INFO L158 Benchmark]: Boogie Preprocessor took 24.84ms. Allocated memory is still 132.1MB. Free memory was 101.9MB in the beginning and 100.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:50:35,248 INFO L158 Benchmark]: RCFGBuilder took 363.75ms. Allocated memory is still 132.1MB. Free memory was 100.6MB in the beginning and 90.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:50:35,249 INFO L158 Benchmark]: BuchiAutomizer took 8801.36ms. Allocated memory was 132.1MB in the beginning and 197.1MB in the end (delta: 65.0MB). Free memory was 90.1MB in the beginning and 145.2MB in the end (delta: -55.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-11-18 20:50:35,249 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 197.1MB. Free memory was 145.2MB in the beginning and 144.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:50:35,251 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 43.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.50ms. Allocated memory is still 132.1MB. Free memory was 101.3MB in the beginning and 104.0MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.35ms. Allocated memory is still 132.1MB. Free memory was 103.6MB in the beginning and 101.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.84ms. Allocated memory is still 132.1MB. Free memory was 101.9MB in the beginning and 100.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 363.75ms. Allocated memory is still 132.1MB. Free memory was 100.6MB in the beginning and 90.1MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 8801.36ms. Allocated memory was 132.1MB in the beginning and 197.1MB in the end (delta: 65.0MB). Free memory was 90.1MB in the beginning and 145.2MB in the end (delta: -55.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 197.1MB. Free memory was 145.2MB in the beginning and 144.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 6 terminating modules (3 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 18446744073709551605 + -4 * i and consists of 4 locations. One deterministic module has affine ranking function -1 * a + unknown-#length-unknown[a] + -4 * j and consists of 4 locations. One nondeterministic module has affine ranking function array_size + -1 * j and consists of 4 locations. 3 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.7s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 7.4s. Construction of modules took 0.1s. Büchi inclusion checks took 1.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 3 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 90 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 83 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital190 mio100 ax109 hnf100 lsp87 ukn80 mio100 lsp67 div137 bol100 ite100 ukn100 eq160 hnf92 smp81 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 77ms VariablesStem: 5 VariablesLoop: 2 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! [2022-11-18 20:50:35,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-11-18 20:50:35,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1af87bf2-da01-4f37-9d3c-f5015d7e1461/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE