./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8 --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 ff7f98b41a2da3578e790df894a867e943a0857e97661a8032b524a76ca3b438 --- 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-e04fb08 [2022-11-16 11:04:18,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:04:18,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:04:18,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:04:18,290 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:04:18,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:04:18,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:04:18,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:04:18,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:04:18,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:04:18,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:04:18,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:04:18,299 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:04:18,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:04:18,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:04:18,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:04:18,309 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:04:18,314 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:04:18,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:04:18,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:04:18,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:04:18,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:04:18,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:04:18,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:04:18,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:04:18,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:04:18,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:04:18,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:04:18,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:04:18,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:04:18,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:04:18,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:04:18,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:04:18,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:04:18,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:04:18,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:04:18,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:04:18,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:04:18,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:04:18,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:04:18,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:04:18,345 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 11:04:18,366 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:04:18,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:04:18,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:04:18,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:04:18,369 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:04:18,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:04:18,369 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:04:18,369 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:04:18,370 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:04:18,370 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:04:18,370 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:04:18,371 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:04:18,371 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:04:18,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:04:18,372 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:04:18,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:04:18,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:04:18,373 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:04:18,373 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:04:18,373 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:04:18,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:04:18,374 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:04:18,374 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:04:18,374 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:04:18,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:04:18,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:04:18,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:04:18,376 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:04:18,377 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:04:18,377 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_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff7f98b41a2da3578e790df894a867e943a0857e97661a8032b524a76ca3b438 [2022-11-16 11:04:18,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:04:18,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:04:18,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:04:18,763 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:04:18,765 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:04:18,767 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2022-11-16 11:04:18,835 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/data/df6ed7542/32c4b99b250b40cdbcb5aa1ee1d176d9/FLAGaf49f24ea [2022-11-16 11:04:19,314 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:04:19,315 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2022-11-16 11:04:19,322 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/data/df6ed7542/32c4b99b250b40cdbcb5aa1ee1d176d9/FLAGaf49f24ea [2022-11-16 11:04:19,691 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/data/df6ed7542/32c4b99b250b40cdbcb5aa1ee1d176d9 [2022-11-16 11:04:19,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:04:19,698 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:04:19,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:04:19,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:04:19,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:04:19,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:04:19" (1/1) ... [2022-11-16 11:04:19,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40f375b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:19, skipping insertion in model container [2022-11-16 11:04:19,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:04:19" (1/1) ... [2022-11-16 11:04:19,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:04:19,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:04:19,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:04:19,985 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:04:20,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:04:20,023 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:04:20,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:20 WrapperNode [2022-11-16 11:04:20,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:04:20,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:04:20,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:04:20,025 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:04:20,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:20" (1/1) ... [2022-11-16 11:04:20,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:20" (1/1) ... [2022-11-16 11:04:20,061 INFO L138 Inliner]: procedures = 11, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2022-11-16 11:04:20,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:04:20,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:04:20,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:04:20,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:04:20,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:20" (1/1) ... [2022-11-16 11:04:20,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:20" (1/1) ... [2022-11-16 11:04:20,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:20" (1/1) ... [2022-11-16 11:04:20,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:20" (1/1) ... [2022-11-16 11:04:20,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:20" (1/1) ... [2022-11-16 11:04:20,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:20" (1/1) ... [2022-11-16 11:04:20,080 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:20" (1/1) ... [2022-11-16 11:04:20,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:20" (1/1) ... [2022-11-16 11:04:20,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:04:20,084 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:04:20,084 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:04:20,084 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:04:20,085 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:20" (1/1) ... [2022-11-16 11:04:20,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:20,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:20,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:20,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:04:20,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:04:20,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:04:20,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:04:20,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:04:20,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:04:20,159 INFO L130 BoogieDeclarations]: Found specification of procedure selectionSort [2022-11-16 11:04:20,159 INFO L138 BoogieDeclarations]: Found implementation of procedure selectionSort [2022-11-16 11:04:20,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:04:20,228 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:04:20,230 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:04:20,449 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:04:20,454 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:04:20,455 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:04:20,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:04:20 BoogieIcfgContainer [2022-11-16 11:04:20,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:04:20,458 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:04:20,458 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:04:20,469 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:04:20,470 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:04:20,470 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:04:19" (1/3) ... [2022-11-16 11:04:20,472 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33591835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:04:20, skipping insertion in model container [2022-11-16 11:04:20,472 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:04:20,472 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:20" (2/3) ... [2022-11-16 11:04:20,473 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@33591835 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:04:20, skipping insertion in model container [2022-11-16 11:04:20,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:04:20,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:04:20" (3/3) ... [2022-11-16 11:04:20,474 INFO L332 chiAutomizerObserver]: Analyzing ICFG selectionSort_recursive.i [2022-11-16 11:04:20,576 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:04:20,577 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:04:20,577 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:04:20,577 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:04:20,577 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:04:20,577 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:04:20,597 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:04:20,598 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:04:20,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:04:20,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-16 11:04:20,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:04:20,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:04:20,644 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 11:04:20,645 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:04:20,645 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:04:20,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:04:20,647 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-16 11:04:20,649 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:04:20,649 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:04:20,649 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-16 11:04:20,650 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:04:20,657 INFO L748 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 9#L31true assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 12#L36-3true [2022-11-16 11:04:20,658 INFO L750 eck$LassoCheckResult]: Loop: 12#L36-3true assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 13#L36-2true main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 12#L36-3true [2022-11-16 11:04:20,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:20,663 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2022-11-16 11:04:20,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:20,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58450619] [2022-11-16 11:04:20,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:20,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:20,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:20,822 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:20,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:20,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2022-11-16 11:04:20,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:20,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748064947] [2022-11-16 11:04:20,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:20,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:20,854 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:20,875 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:20,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:20,877 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2022-11-16 11:04:20,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:20,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569722072] [2022-11-16 11:04:20,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:20,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:20,921 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:20,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:21,208 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:04:21,209 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:04:21,209 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:04:21,209 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:04:21,210 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:04:21,210 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:21,210 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:04:21,210 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:04:21,210 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration1_Lasso [2022-11-16 11:04:21,211 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:04:21,211 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:04:21,236 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:21,248 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:21,252 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:21,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:21,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:21,371 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:21,373 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:21,377 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:21,607 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:04:21,611 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:04:21,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:21,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:21,617 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:21,619 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 [2022-11-16 11:04:21,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:04:21,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:21,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:21,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:21,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:21,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:04:21,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:04:21,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:21,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-16 11:04:21,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:21,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:21,664 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:21,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:04:21,674 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 [2022-11-16 11:04:21,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:21,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:21,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:21,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:21,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:21,687 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:21,687 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:21,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:21,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:21,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:21,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:21,710 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:21,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:04:21,712 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 [2022-11-16 11:04:21,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:21,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:21,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:21,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:21,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:21,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:21,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:21,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:21,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:21,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:21,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:21,755 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:21,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 11:04:21,764 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 [2022-11-16 11:04:21,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:21,777 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:21,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:21,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:21,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:21,778 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:21,778 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:21,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:21,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:21,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:21,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:21,798 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:21,807 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 [2022-11-16 11:04:21,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:21,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:21,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:21,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:21,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 11:04:21,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:04:21,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:04:21,853 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:04:21,897 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-11-16 11:04:21,897 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-16 11:04:21,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:21,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:21,900 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:21,915 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:04:21,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 11:04:21,955 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-16 11:04:21,956 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:04:21,956 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_~a~0#1.base)_1) = -4*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_~a~0#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~a~0#1.offset >= 0] [2022-11-16 11:04:21,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:21,976 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-11-16 11:04:22,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:22,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:22,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 11:04:22,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:22,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 11:04:22,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:22,181 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 [2022-11-16 11:04:22,182 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-16 11:04:22,255 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 39 states and 53 transitions. Complement of second has 9 states. [2022-11-16 11:04:22,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 11:04:22,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2022-11-16 11:04:22,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2022-11-16 11:04:22,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2022-11-16 11:04:22,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:04:22,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-16 11:04:22,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:04:22,265 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-16 11:04:22,265 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:04:22,265 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 53 transitions. [2022-11-16 11:04:22,269 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-16 11:04:22,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 14 states and 19 transitions. [2022-11-16 11:04:22,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 11:04:22,275 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-16 11:04:22,275 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2022-11-16 11:04:22,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:04:22,276 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-16 11:04:22,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2022-11-16 11:04:22,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-16 11:04:22,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:22,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2022-11-16 11:04:22,301 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-16 11:04:22,301 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2022-11-16 11:04:22,301 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:04:22,302 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2022-11-16 11:04:22,302 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-16 11:04:22,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:04:22,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:04:22,303 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 11:04:22,303 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-16 11:04:22,303 INFO L748 eck$LassoCheckResult]: Stem: 120#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 121#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 124#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 125#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 115#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 118#selectionSortENTRY [2022-11-16 11:04:22,303 INFO L750 eck$LassoCheckResult]: Loop: 118#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 119#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 117#L14-3 assume !(~index~0 < ~size); 122#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 116#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 118#selectionSortENTRY [2022-11-16 11:04:22,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:22,304 INFO L85 PathProgramCache]: Analyzing trace with hash 28695915, now seen corresponding path program 1 times [2022-11-16 11:04:22,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:22,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227528413] [2022-11-16 11:04:22,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:22,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:22,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-16 11:04:22,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:22,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:22,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227528413] [2022-11-16 11:04:22,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227528413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:22,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:04:22,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:04:22,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740216002] [2022-11-16 11:04:22,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:22,446 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:04:22,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:22,447 INFO L85 PathProgramCache]: Analyzing trace with hash 53570596, now seen corresponding path program 1 times [2022-11-16 11:04:22,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:22,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061182005] [2022-11-16 11:04:22,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:22,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:22,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:22,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:22,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:22,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061182005] [2022-11-16 11:04:22,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061182005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:22,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:04:22,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:04:22,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509301654] [2022-11-16 11:04:22,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:22,488 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 11:04:22,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:22,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:04:22,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:04:22,491 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:22,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:22,509 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2022-11-16 11:04:22,509 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2022-11-16 11:04:22,510 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-16 11:04:22,511 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2022-11-16 11:04:22,511 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-16 11:04:22,511 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-16 11:04:22,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2022-11-16 11:04:22,512 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:04:22,512 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-16 11:04:22,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2022-11-16 11:04:22,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-16 11:04:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:22,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2022-11-16 11:04:22,514 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-16 11:04:22,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:04:22,515 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2022-11-16 11:04:22,516 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 11:04:22,516 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2022-11-16 11:04:22,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-16 11:04:22,517 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:04:22,517 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:04:22,517 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 11:04:22,517 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:22,518 INFO L748 eck$LassoCheckResult]: Stem: 156#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 157#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 160#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 161#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 152#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 150#selectionSortENTRY [2022-11-16 11:04:22,518 INFO L750 eck$LassoCheckResult]: Loop: 150#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 153#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 158#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 159#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 154#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 155#L14-3 assume !(~index~0 < ~size); 162#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 151#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 150#selectionSortENTRY [2022-11-16 11:04:22,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:22,518 INFO L85 PathProgramCache]: Analyzing trace with hash 28695915, now seen corresponding path program 2 times [2022-11-16 11:04:22,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:22,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530255606] [2022-11-16 11:04:22,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:22,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:22,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:22,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:22,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530255606] [2022-11-16 11:04:22,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530255606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:04:22,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:04:22,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:04:22,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500114918] [2022-11-16 11:04:22,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:04:22,569 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:04:22,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:22,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 1 times [2022-11-16 11:04:22,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:22,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919610862] [2022-11-16 11:04:22,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:22,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:22,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:22,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:22,599 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:23,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:23,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:04:23,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:04:23,080 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:23,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:23,097 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2022-11-16 11:04:23,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2022-11-16 11:04:23,098 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-16 11:04:23,098 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 19 transitions. [2022-11-16 11:04:23,099 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-16 11:04:23,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-16 11:04:23,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2022-11-16 11:04:23,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:04:23,099 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-16 11:04:23,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2022-11-16 11:04:23,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2022-11-16 11:04:23,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:23,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2022-11-16 11:04:23,102 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2022-11-16 11:04:23,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:04:23,108 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2022-11-16 11:04:23,109 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 11:04:23,109 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2022-11-16 11:04:23,112 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-16 11:04:23,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:04:23,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:04:23,113 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:23,113 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:23,113 INFO L748 eck$LassoCheckResult]: Stem: 193#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 194#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 197#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 198#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 200#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 201#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 188#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 187#selectionSortENTRY [2022-11-16 11:04:23,113 INFO L750 eck$LassoCheckResult]: Loop: 187#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 190#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 195#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 196#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 191#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 192#L14-3 assume !(~index~0 < ~size); 199#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 189#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 187#selectionSortENTRY [2022-11-16 11:04:23,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:23,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996941, now seen corresponding path program 1 times [2022-11-16 11:04:23,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:23,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381972677] [2022-11-16 11:04:23,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:23,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:23,138 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:23,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:23,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:23,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 2 times [2022-11-16 11:04:23,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:23,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206842756] [2022-11-16 11:04:23,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:23,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:23,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:23,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:23,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:23,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:23,241 INFO L85 PathProgramCache]: Analyzing trace with hash 170190416, now seen corresponding path program 1 times [2022-11-16 11:04:23,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:23,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094250839] [2022-11-16 11:04:23,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:23,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:23,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:23,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094250839] [2022-11-16 11:04:23,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094250839] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:04:23,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417311346] [2022-11-16 11:04:23,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:23,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:04:23,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:23,419 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:04:23,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 11:04:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:23,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-16 11:04:23,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:23,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:23,567 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:04:23,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:23,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417311346] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:04:23,620 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:04:23,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2022-11-16 11:04:23,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687144324] [2022-11-16 11:04:23,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:04:24,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:24,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 11:04:24,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-16 11:04:24,116 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 2 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:24,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:24,192 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2022-11-16 11:04:24,193 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2022-11-16 11:04:24,194 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-16 11:04:24,194 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 21 transitions. [2022-11-16 11:04:24,194 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-16 11:04:24,194 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-16 11:04:24,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2022-11-16 11:04:24,195 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:04:24,195 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-11-16 11:04:24,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2022-11-16 11:04:24,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-11-16 11:04:24,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-11-16 11:04:24,197 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-16 11:04:24,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:04:24,198 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-16 11:04:24,199 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 11:04:24,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2022-11-16 11:04:24,199 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-16 11:04:24,199 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:04:24,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:04:24,200 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2022-11-16 11:04:24,200 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:24,201 INFO L748 eck$LassoCheckResult]: Stem: 334#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 335#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 339#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 340#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 341#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 342#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 343#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 344#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 330#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 328#selectionSortENTRY [2022-11-16 11:04:24,201 INFO L750 eck$LassoCheckResult]: Loop: 328#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 331#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 336#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 337#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 332#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 333#L14-3 assume !(~index~0 < ~size); 338#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 329#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 328#selectionSortENTRY [2022-11-16 11:04:24,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:24,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1357299119, now seen corresponding path program 2 times [2022-11-16 11:04:24,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:24,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789533179] [2022-11-16 11:04:24,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:24,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:24,225 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:24,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:24,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:24,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 3 times [2022-11-16 11:04:24,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:24,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261066811] [2022-11-16 11:04:24,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:24,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:24,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:24,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:24,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:24,289 INFO L85 PathProgramCache]: Analyzing trace with hash -290845646, now seen corresponding path program 2 times [2022-11-16 11:04:24,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:24,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403667588] [2022-11-16 11:04:24,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:24,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:24,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:24,330 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:25,234 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:04:25,235 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:04:25,235 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:04:25,235 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:04:25,235 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:04:25,235 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:25,235 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:04:25,235 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:04:25,235 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration5_Lasso [2022-11-16 11:04:25,236 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:04:25,236 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:04:25,239 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,244 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,246 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,250 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,259 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,261 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,264 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,271 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,273 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,276 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,280 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,286 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,289 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,294 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,299 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,302 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,307 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:25,309 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:26,048 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:04:26,049 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:04:26,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,051 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,067 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 [2022-11-16 11:04:26,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 11:04:26,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,080 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,097 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 11:04:26,104 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 [2022-11-16 11:04:26,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,116 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,177 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,184 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 [2022-11-16 11:04:26,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,196 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,196 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 11:04:26,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,217 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:04:26,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:04:26,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:04:26,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 11:04:26,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,268 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 11:04:26,279 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 [2022-11-16 11:04:26,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,316 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:04:26,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 11:04:26,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,358 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 11:04:26,362 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 [2022-11-16 11:04:26,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,384 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 11:04:26,387 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 [2022-11-16 11:04:26,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,449 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,460 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 [2022-11-16 11:04:26,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 11:04:26,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,496 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,508 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 [2022-11-16 11:04:26,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 11:04:26,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,540 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 11:04:26,546 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 [2022-11-16 11:04:26,558 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,558 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,559 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,574 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,585 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,600 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 [2022-11-16 11:04:26,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 11:04:26,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,632 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 11:04:26,635 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:04:26,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,646 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,653 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 11:04:26,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:04:26,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,666 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,672 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 11:04:26,683 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 [2022-11-16 11:04:26,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,718 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,727 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,736 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 [2022-11-16 11:04:26,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:04:26,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:04:26,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 11:04:26,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:26,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,768 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,774 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 [2022-11-16 11:04:26,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 11:04:26,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-16 11:04:26,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,807 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 11:04:26,810 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 [2022-11-16 11:04:26,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,820 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-11-16 11:04:26,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,827 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 11:04:26,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:04:26,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,841 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-11-16 11:04:26,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,844 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 11:04:26,848 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 [2022-11-16 11:04:26,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-16 11:04:26,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,863 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 11:04:26,867 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 [2022-11-16 11:04:26,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,877 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-16 11:04:26,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,884 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 11:04:26,886 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 [2022-11-16 11:04:26,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-16 11:04:26,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,902 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 11:04:26,905 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 [2022-11-16 11:04:26,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-16 11:04:26,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,939 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 11:04:26,942 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 [2022-11-16 11:04:26,952 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,953 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:26,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,953 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,953 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,953 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:26,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:26,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:26,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-16 11:04:26,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:26,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:26,962 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:26,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 11:04:26,964 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 [2022-11-16 11:04:26,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:26,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:26,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:26,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:26,987 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:04:26,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:04:27,006 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:04:27,037 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2022-11-16 11:04:27,037 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-16 11:04:27,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:27,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:27,043 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:27,047 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:04:27,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 11:04:27,076 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:04:27,076 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:04:27,076 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_#in~startIndex, v_rep(select #length selectionSort_#in~array.base)_1, selectionSort_#in~array.offset) = -4*selectionSort_#in~startIndex + 1*v_rep(select #length selectionSort_#in~array.base)_1 - 1*selectionSort_#in~array.offset Supporting invariants [] [2022-11-16 11:04:27,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:27,091 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2022-11-16 11:04:27,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:27,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:04:27,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:27,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 11:04:27,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:27,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:27,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:27,298 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-11-16 11:04:27,299 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:27,421 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 48 transitions. Complement of second has 15 states. [2022-11-16 11:04:27,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-16 11:04:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:27,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2022-11-16 11:04:27,428 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 9 letters. Loop has 8 letters. [2022-11-16 11:04:27,429 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:04:27,429 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 17 letters. Loop has 8 letters. [2022-11-16 11:04:27,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:04:27,430 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 9 letters. Loop has 16 letters. [2022-11-16 11:04:27,430 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:04:27,431 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2022-11-16 11:04:27,434 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 11:04:27,437 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 35 states and 44 transitions. [2022-11-16 11:04:27,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-16 11:04:27,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-16 11:04:27,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. [2022-11-16 11:04:27,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:04:27,441 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 44 transitions. [2022-11-16 11:04:27,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. [2022-11-16 11:04:27,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 22. [2022-11-16 11:04:27,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:27,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2022-11-16 11:04:27,447 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-11-16 11:04:27,447 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2022-11-16 11:04:27,447 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 11:04:27,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2022-11-16 11:04:27,448 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:04:27,450 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:04:27,450 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:04:27,450 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:27,451 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:04:27,451 INFO L748 eck$LassoCheckResult]: Stem: 490#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 491#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 496#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 497#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 498#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 499#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 500#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 501#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 481#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 486#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 488#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 482#L14-3 [2022-11-16 11:04:27,452 INFO L750 eck$LassoCheckResult]: Loop: 482#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 492#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 480#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 482#L14-3 [2022-11-16 11:04:27,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:27,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1305603789, now seen corresponding path program 1 times [2022-11-16 11:04:27,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:27,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035691453] [2022-11-16 11:04:27,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:27,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:27,477 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:27,488 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:27,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:27,489 INFO L85 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 1 times [2022-11-16 11:04:27,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:27,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665217047] [2022-11-16 11:04:27,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:27,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:27,494 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:27,498 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:27,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:27,498 INFO L85 PathProgramCache]: Analyzing trace with hash -18607689, now seen corresponding path program 1 times [2022-11-16 11:04:27,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:27,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796160300] [2022-11-16 11:04:27,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:27,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:27,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:27,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:28,296 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:04:28,296 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:04:28,296 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:04:28,296 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:04:28,296 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:04:28,297 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:28,297 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:04:28,297 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:04:28,297 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration6_Lasso [2022-11-16 11:04:28,297 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:04:28,297 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:04:28,300 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,308 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,311 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,313 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,316 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,319 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,322 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,325 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,327 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,329 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,332 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,334 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,727 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,729 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,732 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,734 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:28,737 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:29,165 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:04:29,165 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:04:29,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,166 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-16 11:04:29,174 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 [2022-11-16 11:04:29,187 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:29,187 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:29,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:29,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:29,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:29,188 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:29,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:29,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:29,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:29,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,215 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,224 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 [2022-11-16 11:04:29,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:29,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:29,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:29,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:29,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:29,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:29,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:29,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-16 11:04:29,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:29,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:29,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,268 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,275 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 [2022-11-16 11:04:29,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-16 11:04:29,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:29,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:29,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:29,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:29,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:29,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:29,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:29,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:29,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:29,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,307 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,310 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 [2022-11-16 11:04:29,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:29,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:29,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:29,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:29,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:29,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:29,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:29,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-16 11:04:29,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:29,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:29,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,352 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,357 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 [2022-11-16 11:04:29,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:29,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:29,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:29,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:29,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-16 11:04:29,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:04:29,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:04:29,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:29,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:29,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,391 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,400 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 [2022-11-16 11:04:29,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:29,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:29,413 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:29,413 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:29,413 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:29,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:29,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:29,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-16 11:04:29,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:29,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:29,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,436 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:04:29,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:29,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:29,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:29,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:29,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:29,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:29,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:29,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-16 11:04:29,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:29,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:29,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,486 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,491 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 [2022-11-16 11:04:29,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:29,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:29,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:29,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:29,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:29,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:29,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:29,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-16 11:04:29,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:29,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:29,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,527 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,531 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 [2022-11-16 11:04:29,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:29,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:29,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:29,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:29,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:29,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:29,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:29,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-16 11:04:29,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:29,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:29,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,561 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,565 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 [2022-11-16 11:04:29,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:29,577 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:29,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:29,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:29,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:29,578 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:29,578 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:29,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-16 11:04:29,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:29,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:29,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,591 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-16 11:04:29,595 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 [2022-11-16 11:04:29,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:29,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:29,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:29,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:29,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:04:29,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:04:29,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:29,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:29,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,614 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-16 11:04:29,617 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 [2022-11-16 11:04:29,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:29,627 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-16 11:04:29,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:29,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:29,633 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-16 11:04:29,633 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:04:29,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:29,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:29,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,659 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,668 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 [2022-11-16 11:04:29,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:29,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:29,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:29,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:29,683 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:04:29,683 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:04:29,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-16 11:04:29,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:29,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-16 11:04:29,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,698 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-16 11:04:29,701 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 [2022-11-16 11:04:29,711 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:29,711 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:29,711 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:29,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:29,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:04:29,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:04:29,741 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:04:29,788 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-16 11:04:29,788 INFO L444 ModelExtractionUtils]: 6 out of 31 variables were initially zero. Simplification set additionally 22 variables to zero. [2022-11-16 11:04:29,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:29,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:29,790 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:29,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-16 11:04:29,793 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:04:29,803 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:04:29,804 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:04:29,804 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~index~0, selectionSort_~size) = -1*selectionSort_~index~0 + 1*selectionSort_~size Supporting invariants [] [2022-11-16 11:04:29,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:29,830 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2022-11-16 11:04:29,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:29,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:04:29,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:29,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:04:29,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:29,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:29,922 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 [2022-11-16 11:04:29,923 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:29,946 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 53 transitions. Complement of second has 8 states. [2022-11-16 11:04:29,947 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 [2022-11-16 11:04:29,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:29,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-16 11:04:29,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2022-11-16 11:04:29,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:04:29,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2022-11-16 11:04:29,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:04:29,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2022-11-16 11:04:29,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:04:29,949 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 53 transitions. [2022-11-16 11:04:29,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:04:29,950 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 29 states and 36 transitions. [2022-11-16 11:04:29,951 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 11:04:29,951 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 11:04:29,951 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 36 transitions. [2022-11-16 11:04:29,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:04:29,951 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 36 transitions. [2022-11-16 11:04:29,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 36 transitions. [2022-11-16 11:04:29,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 22. [2022-11-16 11:04:29,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-16 11:04:29,953 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-16 11:04:29,953 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-16 11:04:29,953 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-16 11:04:29,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2022-11-16 11:04:29,954 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:04:29,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:04:29,954 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:04:29,954 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:29,954 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:04:29,955 INFO L748 eck$LassoCheckResult]: Stem: 638#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 639#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 643#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 644#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 646#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 647#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 648#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 649#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 629#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 628#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 630#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 641#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 642#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 636#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 637#L14-3 assume !(~index~0 < ~size); 645#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 632#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 631#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 633#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 635#L14-3 [2022-11-16 11:04:29,955 INFO L750 eck$LassoCheckResult]: Loop: 635#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 640#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 634#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 635#L14-3 [2022-11-16 11:04:29,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:29,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1445216632, now seen corresponding path program 1 times [2022-11-16 11:04:29,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:29,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7745789] [2022-11-16 11:04:29,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:29,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:29,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:30,165 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:30,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:30,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7745789] [2022-11-16 11:04:30,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7745789] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:04:30,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834025045] [2022-11-16 11:04:30,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:30,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:04:30,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:30,167 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:04:30,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2022-11-16 11:04:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:30,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-16 11:04:30,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:30,365 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:30,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:04:30,477 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 11:04:30,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834025045] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:04:30,478 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:04:30,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2022-11-16 11:04:30,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944341067] [2022-11-16 11:04:30,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:04:30,480 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:04:30,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:30,480 INFO L85 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 2 times [2022-11-16 11:04:30,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:30,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885087113] [2022-11-16 11:04:30,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:30,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:30,501 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:30,507 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:30,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:30,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-16 11:04:30,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:04:30,586 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 17 states, 15 states have (on average 2.4) internal successors, (36), 12 states have internal predecessors, (36), 4 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:30,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:30,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:30,733 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2022-11-16 11:04:30,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 44 transitions. [2022-11-16 11:04:30,734 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:04:30,735 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 25 states and 30 transitions. [2022-11-16 11:04:30,735 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-16 11:04:30,735 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-16 11:04:30,735 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 30 transitions. [2022-11-16 11:04:30,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:04:30,736 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 30 transitions. [2022-11-16 11:04:30,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 30 transitions. [2022-11-16 11:04:30,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2022-11-16 11:04:30,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:30,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2022-11-16 11:04:30,738 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 29 transitions. [2022-11-16 11:04:30,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:04:30,741 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2022-11-16 11:04:30,741 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-16 11:04:30,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2022-11-16 11:04:30,742 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:04:30,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:04:30,742 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:04:30,742 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:30,742 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:04:30,743 INFO L748 eck$LassoCheckResult]: Stem: 831#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 832#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 836#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 837#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 839#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 842#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 844#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 840#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 841#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 843#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 822#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 821#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 823#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 834#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 835#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 829#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 830#L14-3 assume !(~index~0 < ~size); 838#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 825#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 824#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 826#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 828#L14-3 [2022-11-16 11:04:30,743 INFO L750 eck$LassoCheckResult]: Loop: 828#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 833#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 827#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 828#L14-3 [2022-11-16 11:04:30,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:30,743 INFO L85 PathProgramCache]: Analyzing trace with hash -2046843302, now seen corresponding path program 2 times [2022-11-16 11:04:30,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:30,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000238220] [2022-11-16 11:04:30,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:30,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:30,898 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:30,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:04:30,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000238220] [2022-11-16 11:04:30,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000238220] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 11:04:30,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499104480] [2022-11-16 11:04:30,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:04:30,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 11:04:30,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:30,900 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 11:04:30,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2022-11-16 11:04:30,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:04:30,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:04:30,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 11:04:30,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:31,107 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:04:31,228 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:31,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499104480] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:04:31,229 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 11:04:31,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2022-11-16 11:04:31,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084985559] [2022-11-16 11:04:31,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 11:04:31,230 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 11:04:31,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:31,230 INFO L85 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 3 times [2022-11-16 11:04:31,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:31,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915241904] [2022-11-16 11:04:31,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:31,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:31,234 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:31,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:31,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:04:31,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-16 11:04:31,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2022-11-16 11:04:31,319 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 16 states have internal predecessors, (34), 2 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:31,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:04:31,543 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2022-11-16 11:04:31,543 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2022-11-16 11:04:31,544 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:04:31,544 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 46 transitions. [2022-11-16 11:04:31,544 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-16 11:04:31,544 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-16 11:04:31,544 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2022-11-16 11:04:31,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 11:04:31,545 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 46 transitions. [2022-11-16 11:04:31,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2022-11-16 11:04:31,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 28. [2022-11-16 11:04:31,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 25 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:31,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2022-11-16 11:04:31,547 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 34 transitions. [2022-11-16 11:04:31,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-16 11:04:31,549 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2022-11-16 11:04:31,549 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-16 11:04:31,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2022-11-16 11:04:31,550 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-11-16 11:04:31,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:04:31,550 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:04:31,550 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:04:31,550 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-16 11:04:31,551 INFO L748 eck$LassoCheckResult]: Stem: 1045#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1046#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1050#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 1051#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1052#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1053#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1054#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1058#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1057#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1056#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 1038#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 1040#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 1041#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 1061#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1060#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 1037#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 1039#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1048#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 1055#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 1059#L14-3 assume !(~index~0 < ~size); 1049#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1035#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 1042#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 1044#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 1036#L14-3 [2022-11-16 11:04:31,551 INFO L750 eck$LassoCheckResult]: Loop: 1036#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1047#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 1034#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 1036#L14-3 [2022-11-16 11:04:31,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:31,551 INFO L85 PathProgramCache]: Analyzing trace with hash 349648920, now seen corresponding path program 3 times [2022-11-16 11:04:31,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:31,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418343861] [2022-11-16 11:04:31,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:31,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:31,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:31,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:31,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:31,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:31,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:31,595 INFO L85 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 4 times [2022-11-16 11:04:31,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:31,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250840137] [2022-11-16 11:04:31,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:31,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:31,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:31,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:31,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:31,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1095320754, now seen corresponding path program 1 times [2022-11-16 11:04:31,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:04:31,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257970706] [2022-11-16 11:04:31,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:04:31,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:04:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:31,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:04:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:04:31,694 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:04:33,522 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:04:33,523 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:04:33,523 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:04:33,523 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:04:33,523 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:04:33,523 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:33,523 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:04:33,523 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:04:33,523 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration9_Lasso [2022-11-16 11:04:33,523 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:04:33,523 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:04:33,526 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,537 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,539 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,544 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,546 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,549 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,551 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,553 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,555 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,558 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,561 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,568 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,571 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,573 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,575 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,577 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:33,579 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:34,203 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:34,205 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:34,206 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:34,209 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:04:34,791 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:04:34,791 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:04:34,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:34,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:34,806 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:34,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-16 11:04:34,815 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 [2022-11-16 11:04:34,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:34,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:34,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:34,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:34,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:34,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:34,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:34,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:34,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:34,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:34,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:34,831 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:34,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-16 11:04:34,834 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 [2022-11-16 11:04:34,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:34,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:34,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:34,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:34,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:34,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:34,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:34,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:34,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2022-11-16 11:04:34,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:34,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:34,849 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:34,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-16 11:04:34,852 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 [2022-11-16 11:04:34,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:34,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:34,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:34,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:34,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:04:34,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:04:34,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:34,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:34,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:34,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:34,871 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:34,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-16 11:04:34,873 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 [2022-11-16 11:04:34,883 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:34,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:34,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:34,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:34,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:34,884 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:34,884 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:34,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:34,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-16 11:04:34,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:34,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:34,891 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:34,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-16 11:04:34,893 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 [2022-11-16 11:04:34,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:34,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:34,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:34,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:34,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:34,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:34,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:34,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:34,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2022-11-16 11:04:34,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:34,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:34,925 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:34,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-16 11:04:34,926 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 [2022-11-16 11:04:34,939 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:34,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:34,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:34,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:34,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:34,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:34,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:34,941 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:34,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-11-16 11:04:34,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:34,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:34,945 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:34,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-16 11:04:34,947 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 [2022-11-16 11:04:34,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:34,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:34,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:34,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:34,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:34,958 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:34,958 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:34,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:34,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-11-16 11:04:34,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:34,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:34,963 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:34,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-16 11:04:34,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:04:34,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:34,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:34,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:34,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:34,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:34,978 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:34,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:34,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:34,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-11-16 11:04:34,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:34,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:34,983 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:34,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-16 11:04:34,985 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 [2022-11-16 11:04:34,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:34,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:34,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:34,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:34,996 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:34,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:34,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:34,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:35,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-16 11:04:35,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:35,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:35,001 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:35,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-16 11:04:35,004 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 [2022-11-16 11:04:35,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:35,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:35,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:35,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:35,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:35,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:35,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:35,016 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:35,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:35,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:35,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:35,020 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:35,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-16 11:04:35,023 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 [2022-11-16 11:04:35,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:35,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:35,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:35,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:35,035 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:04:35,035 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:04:35,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:35,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:35,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:35,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:35,042 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:35,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-16 11:04:35,045 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 [2022-11-16 11:04:35,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:35,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:35,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:35,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:35,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:35,055 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:35,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:35,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:35,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:35,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:35,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:35,060 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:35,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-16 11:04:35,063 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 [2022-11-16 11:04:35,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:35,073 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:35,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:35,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:35,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:35,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:35,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:35,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:35,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-11-16 11:04:35,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:35,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:35,078 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:35,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-16 11:04:35,081 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 [2022-11-16 11:04:35,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:35,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:04:35,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:35,091 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:35,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:35,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:04:35,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:04:35,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:35,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-11-16 11:04:35,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:35,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:35,096 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:35,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-16 11:04:35,099 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 [2022-11-16 11:04:35,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:35,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:35,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:35,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:35,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:04:35,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:04:35,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:04:35,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:35,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:35,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:35,158 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:35,163 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 [2022-11-16 11:04:35,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:04:35,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:04:35,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:04:35,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:04:35,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-16 11:04:35,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:04:35,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:04:35,211 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:04:35,246 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2022-11-16 11:04:35,246 INFO L444 ModelExtractionUtils]: 11 out of 34 variables were initially zero. Simplification set additionally 20 variables to zero. [2022-11-16 11:04:35,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:04:35,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:35,247 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:35,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-16 11:04:35,257 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:04:35,268 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:04:35,268 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:04:35,268 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~index~0, selectionSort_~size) = -1*selectionSort_~index~0 + 1*selectionSort_~size Supporting invariants [] [2022-11-16 11:04:35,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2022-11-16 11:04:35,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:35,313 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2022-11-16 11:04:35,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:35,378 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 11:04:35,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:35,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:04:35,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:35,450 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 [2022-11-16 11:04:35,451 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:35,474 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 51 transitions. Complement of second has 8 states. [2022-11-16 11:04:35,476 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 [2022-11-16 11:04:35,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:35,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-16 11:04:35,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 24 letters. Loop has 3 letters. [2022-11-16 11:04:35,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:04:35,477 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 11:04:35,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:35,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 11:04:35,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:35,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:04:35,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:35,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:35,594 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 [2022-11-16 11:04:35,594 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:35,628 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 51 transitions. Complement of second has 8 states. [2022-11-16 11:04:35,630 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 [2022-11-16 11:04:35,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:35,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2022-11-16 11:04:35,631 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 24 letters. Loop has 3 letters. [2022-11-16 11:04:35,631 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:04:35,631 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-16 11:04:35,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:04:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:35,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-16 11:04:35,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:04:35,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:04:35,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:04:35,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:04:35,756 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 [2022-11-16 11:04:35,756 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:35,772 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 48 transitions. Complement of second has 7 states. [2022-11-16 11:04:35,777 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 [2022-11-16 11:04:35,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:04:35,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2022-11-16 11:04:35,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 24 letters. Loop has 3 letters. [2022-11-16 11:04:35,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:04:35,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 27 letters. Loop has 3 letters. [2022-11-16 11:04:35,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:04:35,779 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 24 letters. Loop has 6 letters. [2022-11-16 11:04:35,779 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:04:35,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 48 transitions. [2022-11-16 11:04:35,783 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:04:35,783 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2022-11-16 11:04:35,783 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:04:35,783 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:04:35,783 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:04:35,784 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:04:35,784 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:04:35,784 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:04:35,784 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:04:35,784 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-16 11:04:35,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:04:35,784 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:04:35,784 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:04:35,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:04:35 BoogieIcfgContainer [2022-11-16 11:04:35,790 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:04:35,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:04:35,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:04:35,790 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:04:35,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:04:20" (3/4) ... [2022-11-16 11:04:35,793 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:04:35,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:04:35,793 INFO L158 Benchmark]: Toolchain (without parser) took 16095.90ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 71.1MB in the beginning and 85.7MB in the end (delta: -14.6MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2022-11-16 11:04:35,794 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:04:35,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.77ms. Allocated memory is still 107.0MB. Free memory was 70.9MB in the beginning and 83.7MB in the end (delta: -12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:04:35,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.19ms. Allocated memory is still 107.0MB. Free memory was 83.7MB in the beginning and 82.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:04:35,795 INFO L158 Benchmark]: Boogie Preprocessor took 21.41ms. Allocated memory is still 107.0MB. Free memory was 82.2MB in the beginning and 81.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:04:35,795 INFO L158 Benchmark]: RCFGBuilder took 373.14ms. Allocated memory is still 107.0MB. Free memory was 81.2MB in the beginning and 69.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:04:35,795 INFO L158 Benchmark]: BuchiAutomizer took 15332.25ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 69.6MB in the beginning and 86.8MB in the end (delta: -17.2MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. [2022-11-16 11:04:35,796 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 157.3MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:04:35,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 87.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.77ms. Allocated memory is still 107.0MB. Free memory was 70.9MB in the beginning and 83.7MB in the end (delta: -12.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.19ms. Allocated memory is still 107.0MB. Free memory was 83.7MB in the beginning and 82.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.41ms. Allocated memory is still 107.0MB. Free memory was 82.2MB in the beginning and 81.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 373.14ms. Allocated memory is still 107.0MB. Free memory was 81.2MB in the beginning and 69.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 15332.25ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 69.6MB in the beginning and 86.8MB in the end (delta: -17.2MB). Peak memory consumption was 35.2MB. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 157.3MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 9 terminating modules (5 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[a] + -4 * i and consists of 5 locations. One deterministic module has affine ranking function -4 * \old(startIndex) + unknown-#length-unknown[array] + -1 * array and consists of 5 locations. One deterministic module has affine ranking function size + -1 * index and consists of 4 locations. One nondeterministic module has affine ranking function size + -1 * index and consists of 4 locations. 5 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 15.2s and 10 iterations. TraceHistogramMax:3. Analysis of lassos took 13.3s. Construction of modules took 0.3s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 32 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 196 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 191 mSDsluCounter, 315 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 191 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 451 IncrementalHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 124 mSDtfsCounter, 451 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU3 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital192 mio100 ax100 hnf100 lsp96 ukn79 mio100 lsp57 div152 bol100 ite100 ukn100 eq152 hnf94 smp74 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 37ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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! [2022-11-16 11:04:35,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2022-11-16 11:04:36,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2022-11-16 11:04:36,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-16 11:04:36,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10080f93-2d5f-4694-bcae-c3733554b5de/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE