./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/bubble_sort-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/bubble_sort-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 121046493a5b65b32f3b8bf8adee655ff03b45acd38f0a8519ee3c99065fa840 --- 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-5e519f3 [2022-11-02 21:04:59,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:04:59,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:04:59,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:04:59,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:04:59,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:04:59,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:04:59,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:04:59,231 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:04:59,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:04:59,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:04:59,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:04:59,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:04:59,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:04:59,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:04:59,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:04:59,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:04:59,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:04:59,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:04:59,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:04:59,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:04:59,265 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:04:59,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:04:59,268 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:04:59,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:04:59,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:04:59,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:04:59,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:04:59,278 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:04:59,279 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:04:59,280 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:04:59,281 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:04:59,283 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:04:59,284 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:04:59,285 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:04:59,286 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:04:59,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:04:59,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:04:59,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:04:59,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:04:59,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:04:59,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 21:04:59,360 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:04:59,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:04:59,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:04:59,361 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:04:59,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:04:59,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:04:59,363 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:04:59,363 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 21:04:59,363 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 21:04:59,363 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 21:04:59,364 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 21:04:59,365 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 21:04:59,365 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 21:04:59,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:04:59,365 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:04:59,366 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:04:59,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:04:59,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:04:59,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:04:59,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 21:04:59,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 21:04:59,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 21:04:59,367 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:04:59,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:04:59,368 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 21:04:59,368 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:04:59,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 21:04:59,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:04:59,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:04:59,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:04:59,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:04:59,370 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 21:04:59,371 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_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 121046493a5b65b32f3b8bf8adee655ff03b45acd38f0a8519ee3c99065fa840 [2022-11-02 21:04:59,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:04:59,691 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:04:59,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:04:59,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:04:59,696 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:04:59,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/loops/bubble_sort-1.c [2022-11-02 21:04:59,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/data/bcce26fff/30e2500b4e0c4f6e92246b8df551c0d9/FLAG2e9c62429 [2022-11-02 21:05:00,328 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:05:00,333 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/sv-benchmarks/c/loops/bubble_sort-1.c [2022-11-02 21:05:00,342 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/data/bcce26fff/30e2500b4e0c4f6e92246b8df551c0d9/FLAG2e9c62429 [2022-11-02 21:05:00,657 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/data/bcce26fff/30e2500b4e0c4f6e92246b8df551c0d9 [2022-11-02 21:05:00,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:05:00,660 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:05:00,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:05:00,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:05:00,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:05:00,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:05:00" (1/1) ... [2022-11-02 21:05:00,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25eedea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:00, skipping insertion in model container [2022-11-02 21:05:00,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:05:00" (1/1) ... [2022-11-02 21:05:00,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:05:00,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:05:00,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/sv-benchmarks/c/loops/bubble_sort-1.c[325,338] [2022-11-02 21:05:00,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:05:00,967 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:05:00,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/sv-benchmarks/c/loops/bubble_sort-1.c[325,338] [2022-11-02 21:05:01,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:05:01,026 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:05:01,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:01 WrapperNode [2022-11-02 21:05:01,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:05:01,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:05:01,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:05:01,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:05:01,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:01" (1/1) ... [2022-11-02 21:05:01,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:01" (1/1) ... [2022-11-02 21:05:01,094 INFO L138 Inliner]: procedures = 17, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2022-11-02 21:05:01,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:05:01,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:05:01,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:05:01,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:05:01,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:01" (1/1) ... [2022-11-02 21:05:01,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:01" (1/1) ... [2022-11-02 21:05:01,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:01" (1/1) ... [2022-11-02 21:05:01,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:01" (1/1) ... [2022-11-02 21:05:01,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:01" (1/1) ... [2022-11-02 21:05:01,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:01" (1/1) ... [2022-11-02 21:05:01,142 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:01" (1/1) ... [2022-11-02 21:05:01,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:01" (1/1) ... [2022-11-02 21:05:01,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:05:01,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:05:01,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:05:01,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:05:01,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:01" (1/1) ... [2022-11-02 21:05:01,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:01,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:01,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:01,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 21:05:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:05:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:05:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:05:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:05:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:05:01,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:05:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:05:01,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:05:01,354 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:05:01,356 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:05:01,623 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:05:01,628 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:05:01,629 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-02 21:05:01,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:01 BoogieIcfgContainer [2022-11-02 21:05:01,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:05:01,632 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 21:05:01,632 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 21:05:01,660 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 21:05:01,660 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:05:01,661 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 09:05:00" (1/3) ... [2022-11-02 21:05:01,662 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@502da58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:05:01, skipping insertion in model container [2022-11-02 21:05:01,662 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:05:01,662 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:05:01" (2/3) ... [2022-11-02 21:05:01,663 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@502da58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:05:01, skipping insertion in model container [2022-11-02 21:05:01,663 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:05:01,663 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:05:01" (3/3) ... [2022-11-02 21:05:01,664 INFO L332 chiAutomizerObserver]: Analyzing ICFG bubble_sort-1.c [2022-11-02 21:05:01,753 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 21:05:01,753 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 21:05:01,753 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 21:05:01,753 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 21:05:01,754 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 21:05:01,754 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 21:05:01,754 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 21:05:01,754 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 21:05:01,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 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) [2022-11-02 21:05:01,788 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2022-11-02 21:05:01,788 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:01,788 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:01,796 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 21:05:01,796 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:05:01,797 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 21:05:01,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 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) [2022-11-02 21:05:01,803 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 14 [2022-11-02 21:05:01,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:01,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:01,803 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 21:05:01,804 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:05:01,812 INFO L748 eck$LassoCheckResult]: Stem: 18#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 5#L56true assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 26#L65true assume q1_#t~switch17#1;q1_~i~1#1 := 0; 10#L66-3true [2022-11-02 21:05:01,813 INFO L750 eck$LassoCheckResult]: Loop: 10#L66-3true assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 11#L66-2true q1_#t~pre18#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre18#1; 10#L66-3true [2022-11-02 21:05:01,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:01,824 INFO L85 PathProgramCache]: Analyzing trace with hash 925670, now seen corresponding path program 1 times [2022-11-02 21:05:01,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:01,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717492198] [2022-11-02 21:05:01,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:01,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:02,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:02,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:02,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717492198] [2022-11-02 21:05:02,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717492198] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:02,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:02,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:05:02,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412750062] [2022-11-02 21:05:02,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:02,029 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 21:05:02,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:02,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1539, now seen corresponding path program 1 times [2022-11-02 21:05:02,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:02,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892960729] [2022-11-02 21:05:02,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:02,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:02,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:02,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:02,069 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:02,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:02,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:05:02,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:05:02,200 INFO L87 Difference]: Start difference. First operand has 27 states, 26 states have (on average 1.6923076923076923) internal successors, (44), 26 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:02,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:02,230 INFO L93 Difference]: Finished difference Result 24 states and 31 transitions. [2022-11-02 21:05:02,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2022-11-02 21:05:02,235 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-11-02 21:05:02,241 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 19 states and 25 transitions. [2022-11-02 21:05:02,242 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-11-02 21:05:02,242 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-11-02 21:05:02,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 25 transitions. [2022-11-02 21:05:02,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:05:02,244 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-02 21:05:02,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 25 transitions. [2022-11-02 21:05:02,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2022-11-02 21:05:02,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:02,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2022-11-02 21:05:02,276 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-02 21:05:02,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:05:02,285 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-02 21:05:02,285 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 21:05:02,285 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2022-11-02 21:05:02,288 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2022-11-02 21:05:02,288 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:02,288 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:02,289 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-02 21:05:02,289 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:05:02,289 INFO L748 eck$LassoCheckResult]: Stem: 60#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 61#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 64#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 65#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 77#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 76#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 71#L74-3 [2022-11-02 21:05:02,290 INFO L750 eck$LassoCheckResult]: Loop: 71#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 70#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 71#L74-3 [2022-11-02 21:05:02,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:02,293 INFO L85 PathProgramCache]: Analyzing trace with hash 889584664, now seen corresponding path program 1 times [2022-11-02 21:05:02,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:02,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622455207] [2022-11-02 21:05:02,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:02,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:02,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:02,371 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:02,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:02,372 INFO L85 PathProgramCache]: Analyzing trace with hash 2691, now seen corresponding path program 1 times [2022-11-02 21:05:02,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:02,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021134950] [2022-11-02 21:05:02,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:02,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:02,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:02,397 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:02,403 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:02,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:02,404 INFO L85 PathProgramCache]: Analyzing trace with hash 192371930, now seen corresponding path program 1 times [2022-11-02 21:05:02,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:02,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684277432] [2022-11-02 21:05:02,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:02,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:02,449 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:02,467 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:03,238 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:05:03,238 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:05:03,239 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:05:03,239 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:05:03,239 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:05:03,239 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:03,239 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:05:03,239 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:05:03,240 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration2_Lasso [2022-11-02 21:05:03,240 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:05:03,240 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:05:03,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,289 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,611 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,617 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,621 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,633 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,642 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,646 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,651 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,663 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,666 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,676 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,679 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,694 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,697 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:03,701 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:04,129 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:05:04,137 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:05:04,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:04,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:04,142 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:04,150 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 [2022-11-02 21:05:04,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:04,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:04,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:04,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:04,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:04,166 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:04,167 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:04,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 21:05:04,177 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:04,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:04,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:04,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:04,218 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:04,226 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 [2022-11-02 21:05:04,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 21:05:04,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:04,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:04,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:04,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:04,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:04,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:04,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:04,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:04,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:04,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:04,303 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:04,312 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 [2022-11-02 21:05:04,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:04,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:04,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:04,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:04,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 21:05:04,329 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:04,331 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:04,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:04,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:04,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:04,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:04,384 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:04,392 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:05:04,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 21:05:04,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:04,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:04,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:04,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:04,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:04,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:04,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:04,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:04,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:04,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:04,464 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:04,472 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 [2022-11-02 21:05:04,484 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:04,485 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:04,485 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:04,485 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:04,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 21:05:04,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:04,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:04,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:04,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:04,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:04,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:04,549 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:04,556 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 [2022-11-02 21:05:04,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:04,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:04,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:04,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:04,572 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:04,572 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:04,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 21:05:04,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:04,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:04,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:04,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:04,626 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:04,634 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 [2022-11-02 21:05:04,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:04,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:04,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:04,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:04,655 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:04,655 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:04,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 21:05:04,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:04,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:04,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:04,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:04,719 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:04,723 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 [2022-11-02 21:05:04,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:04,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:04,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:04,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:04,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 21:05:04,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:04,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:04,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:04,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:04,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:04,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:04,792 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:04,800 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:05:04,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:04,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:04,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:04,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:04,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:04,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:04,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 21:05:04,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:04,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:04,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:04,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:04,874 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:04,878 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 [2022-11-02 21:05:04,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 21:05:04,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:04,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:04,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:04,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:04,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:04,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:04,918 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:05:04,944 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-02 21:05:04,944 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-02 21:05:04,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:04,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:04,964 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:04,977 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:05:04,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 21:05:05,000 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 21:05:05,001 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:05:05,001 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_q1_~i~1#1, ULTIMATE.start_q1_~N~0#1) = -1*ULTIMATE.start_q1_~i~1#1 + 1*ULTIMATE.start_q1_~N~0#1 Supporting invariants [] [2022-11-02 21:05:05,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:05,070 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2022-11-02 21:05:05,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:05:05,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:05:05,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:05,177 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 [2022-11-02 21:05:05,179 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:05,224 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 28 states and 40 transitions. Complement of second has 7 states. [2022-11-02 21:05:05,225 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 [2022-11-02 21:05:05,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:05,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2022-11-02 21:05:05,228 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-02 21:05:05,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:05:05,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-02 21:05:05,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:05:05,229 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 6 letters. Loop has 4 letters. [2022-11-02 21:05:05,229 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:05:05,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 40 transitions. [2022-11-02 21:05:05,231 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2022-11-02 21:05:05,232 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 26 states and 36 transitions. [2022-11-02 21:05:05,232 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2022-11-02 21:05:05,232 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2022-11-02 21:05:05,233 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 36 transitions. [2022-11-02 21:05:05,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:05:05,233 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 36 transitions. [2022-11-02 21:05:05,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 36 transitions. [2022-11-02 21:05:05,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 19. [2022-11-02 21:05:05,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.368421052631579) internal successors, (26), 18 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:05,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 26 transitions. [2022-11-02 21:05:05,235 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 26 transitions. [2022-11-02 21:05:05,235 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 26 transitions. [2022-11-02 21:05:05,235 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 21:05:05,236 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 26 transitions. [2022-11-02 21:05:05,236 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-02 21:05:05,236 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:05,236 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:05,237 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:05,237 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 21:05:05,237 INFO L748 eck$LassoCheckResult]: Stem: 177#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 178#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 181#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 182#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 195#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 193#L73 assume !q1_#t~switch17#1; 179#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 180#L18-3 [2022-11-02 21:05:05,237 INFO L750 eck$LassoCheckResult]: Loop: 180#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 191#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 190#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 180#L18-3 [2022-11-02 21:05:05,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:05,238 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 1 times [2022-11-02 21:05:05,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:05,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441504143] [2022-11-02 21:05:05,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:05,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:05,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:05,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441504143] [2022-11-02 21:05:05,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441504143] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:05,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:05,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:05:05,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205901080] [2022-11-02 21:05:05,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:05,269 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 21:05:05,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:05,269 INFO L85 PathProgramCache]: Analyzing trace with hash 114407, now seen corresponding path program 1 times [2022-11-02 21:05:05,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:05,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834680393] [2022-11-02 21:05:05,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:05,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:05,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:05,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834680393] [2022-11-02 21:05:05,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834680393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:05,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:05,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:05:05,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190166487] [2022-11-02 21:05:05,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:05,304 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 21:05:05,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:05,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:05:05,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:05:05,305 INFO L87 Difference]: Start difference. First operand 19 states and 26 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:05,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:05,331 INFO L93 Difference]: Finished difference Result 20 states and 27 transitions. [2022-11-02 21:05:05,332 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 27 transitions. [2022-11-02 21:05:05,332 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-02 21:05:05,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 27 transitions. [2022-11-02 21:05:05,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-11-02 21:05:05,333 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-02 21:05:05,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 27 transitions. [2022-11-02 21:05:05,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:05:05,334 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-11-02 21:05:05,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 27 transitions. [2022-11-02 21:05:05,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-02 21:05:05,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.35) internal successors, (27), 19 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:05,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 27 transitions. [2022-11-02 21:05:05,336 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-11-02 21:05:05,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:05:05,337 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 27 transitions. [2022-11-02 21:05:05,337 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-02 21:05:05,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 27 transitions. [2022-11-02 21:05:05,338 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-02 21:05:05,338 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:05,338 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:05,338 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:05,339 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-02 21:05:05,339 INFO L748 eck$LassoCheckResult]: Stem: 223#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 224#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 227#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 228#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 242#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 240#L73 assume !q1_#t~switch17#1; 225#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 226#L18-3 [2022-11-02 21:05:05,339 INFO L750 eck$LassoCheckResult]: Loop: 226#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 237#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 238#L23 assume !(bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1); 232#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 239#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 236#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 226#L18-3 [2022-11-02 21:05:05,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:05,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 2 times [2022-11-02 21:05:05,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:05,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422738103] [2022-11-02 21:05:05,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:05,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:05,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:05,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422738103] [2022-11-02 21:05:05,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422738103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:05,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:05,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:05:05,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299518106] [2022-11-02 21:05:05,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:05,369 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 21:05:05,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:05,369 INFO L85 PathProgramCache]: Analyzing trace with hash -884895266, now seen corresponding path program 1 times [2022-11-02 21:05:05,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:05,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689440590] [2022-11-02 21:05:05,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:05,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:05,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:05,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689440590] [2022-11-02 21:05:05,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689440590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:05,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:05,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:05:05,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441627032] [2022-11-02 21:05:05,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:05,394 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-02 21:05:05,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:05,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:05:05,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:05:05,395 INFO L87 Difference]: Start difference. First operand 20 states and 27 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:05,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:05,407 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2022-11-02 21:05:05,407 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2022-11-02 21:05:05,408 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-02 21:05:05,408 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 27 transitions. [2022-11-02 21:05:05,409 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-11-02 21:05:05,409 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-11-02 21:05:05,409 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 27 transitions. [2022-11-02 21:05:05,409 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:05:05,409 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 27 transitions. [2022-11-02 21:05:05,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 27 transitions. [2022-11-02 21:05:05,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2022-11-02 21:05:05,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:05,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2022-11-02 21:05:05,411 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-02 21:05:05,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:05:05,412 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-02 21:05:05,413 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-02 21:05:05,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2022-11-02 21:05:05,413 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-02 21:05:05,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:05,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:05,414 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:05,414 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:05,414 INFO L748 eck$LassoCheckResult]: Stem: 271#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 272#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 275#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 276#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 290#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 288#L73 assume !q1_#t~switch17#1; 273#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 274#L18-3 [2022-11-02 21:05:05,415 INFO L750 eck$LassoCheckResult]: Loop: 274#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 285#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 286#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 279#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 280#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 287#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 284#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 274#L18-3 [2022-11-02 21:05:05,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:05,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1807321784, now seen corresponding path program 3 times [2022-11-02 21:05:05,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:05,415 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292592528] [2022-11-02 21:05:05,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:05,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:05,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:05,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292592528] [2022-11-02 21:05:05,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292592528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:05,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:05,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 21:05:05,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886948294] [2022-11-02 21:05:05,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:05,491 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 21:05:05,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:05,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 1 times [2022-11-02 21:05:05,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:05,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386841764] [2022-11-02 21:05:05,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:05,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:05,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:05,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:05,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:05,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:05,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:05,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:05:05,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:05:05,722 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:05,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:05,738 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2022-11-02 21:05:05,738 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 25 transitions. [2022-11-02 21:05:05,739 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-02 21:05:05,739 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 25 transitions. [2022-11-02 21:05:05,739 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-11-02 21:05:05,740 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-02 21:05:05,740 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2022-11-02 21:05:05,740 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:05:05,740 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-02 21:05:05,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2022-11-02 21:05:05,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2022-11-02 21:05:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:05,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-11-02 21:05:05,742 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-02 21:05:05,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:05:05,748 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-02 21:05:05,748 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-02 21:05:05,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2022-11-02 21:05:05,748 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-02 21:05:05,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:05,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:05,749 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:05,749 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:05:05,749 INFO L748 eck$LassoCheckResult]: Stem: 317#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 318#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 321#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 322#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 336#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 334#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 335#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 329#L74-4 q1_~i~1#1 := 0; 324#L76-3 [2022-11-02 21:05:05,750 INFO L750 eck$LassoCheckResult]: Loop: 324#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 323#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 324#L76-3 [2022-11-02 21:05:05,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:05,750 INFO L85 PathProgramCache]: Analyzing trace with hash 192371872, now seen corresponding path program 1 times [2022-11-02 21:05:05,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:05,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426813138] [2022-11-02 21:05:05,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:05,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:05,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:05,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:05,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:05,770 INFO L85 PathProgramCache]: Analyzing trace with hash 3139, now seen corresponding path program 1 times [2022-11-02 21:05:05,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:05,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370727842] [2022-11-02 21:05:05,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:05,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:05,775 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:05,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975412662] [2022-11-02 21:05:05,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:05,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:05,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:05,777 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:05,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-02 21:05:05,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:05,834 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:05,844 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:05,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:05,845 INFO L85 PathProgramCache]: Analyzing trace with hash 185777442, now seen corresponding path program 1 times [2022-11-02 21:05:05,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:05,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692023513] [2022-11-02 21:05:05,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:05,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:05,862 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:05,862 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [921429935] [2022-11-02 21:05:05,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:05,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:05,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:05,865 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:05,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-02 21:05:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:05,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:05:05,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:05,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:05:05,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:05,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692023513] [2022-11-02 21:05:05,993 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:05:05,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [921429935] [2022-11-02 21:05:05,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [921429935] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:05,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:05,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:05:05,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724090596] [2022-11-02 21:05:05,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:06,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:06,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:05:06,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:05:06,196 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:06,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:06,274 INFO L93 Difference]: Finished difference Result 41 states and 51 transitions. [2022-11-02 21:05:06,274 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 41 states and 51 transitions. [2022-11-02 21:05:06,275 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 23 [2022-11-02 21:05:06,275 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 41 states to 41 states and 51 transitions. [2022-11-02 21:05:06,276 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2022-11-02 21:05:06,276 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2022-11-02 21:05:06,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 51 transitions. [2022-11-02 21:05:06,276 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:05:06,276 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 51 transitions. [2022-11-02 21:05:06,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 51 transitions. [2022-11-02 21:05:06,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 22. [2022-11-02 21:05:06,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:06,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2022-11-02 21:05:06,279 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-02 21:05:06,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:05:06,286 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2022-11-02 21:05:06,286 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-02 21:05:06,286 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2022-11-02 21:05:06,287 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-02 21:05:06,287 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:06,287 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:06,288 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:06,288 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:06,288 INFO L748 eck$LassoCheckResult]: Stem: 419#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 420#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 423#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 424#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 439#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 437#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 438#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 432#L74-4 q1_~i~1#1 := 0; 431#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 421#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 422#L18-3 [2022-11-02 21:05:06,288 INFO L750 eck$LassoCheckResult]: Loop: 422#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 434#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 435#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 427#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 428#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 436#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 433#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 422#L18-3 [2022-11-02 21:05:06,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:06,290 INFO L85 PathProgramCache]: Analyzing trace with hash 185777387, now seen corresponding path program 1 times [2022-11-02 21:05:06,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:06,291 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917580204] [2022-11-02 21:05:06,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:06,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:06,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:06,313 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:06,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:06,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 2 times [2022-11-02 21:05:06,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:06,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268721211] [2022-11-02 21:05:06,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:06,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:06,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:06,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:06,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:06,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:06,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1443775097, now seen corresponding path program 1 times [2022-11-02 21:05:06,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:06,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487799516] [2022-11-02 21:05:06,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:06,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:05:06,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:06,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487799516] [2022-11-02 21:05:06,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487799516] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:05:06,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:05:06,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:05:06,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911884885] [2022-11-02 21:05:06,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:05:06,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:06,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:05:06,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:05:06,662 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:06,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:06,769 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2022-11-02 21:05:06,770 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2022-11-02 21:05:06,770 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-02 21:05:06,771 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 23 states and 27 transitions. [2022-11-02 21:05:06,771 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2022-11-02 21:05:06,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-02 21:05:06,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 27 transitions. [2022-11-02 21:05:06,772 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:05:06,772 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-11-02 21:05:06,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 27 transitions. [2022-11-02 21:05:06,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-11-02 21:05:06,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:06,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2022-11-02 21:05:06,774 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-11-02 21:05:06,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:05:06,775 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2022-11-02 21:05:06,775 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-02 21:05:06,776 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 25 transitions. [2022-11-02 21:05:06,776 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-02 21:05:06,776 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:06,776 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:06,777 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:06,777 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:05:06,777 INFO L748 eck$LassoCheckResult]: Stem: 482#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 483#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 486#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 487#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 502#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 500#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 501#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 492#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 493#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 494#L74-4 q1_~i~1#1 := 0; 495#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 488#L76-2 [2022-11-02 21:05:06,778 INFO L750 eck$LassoCheckResult]: Loop: 488#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 489#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 488#L76-2 [2022-11-02 21:05:06,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:06,778 INFO L85 PathProgramCache]: Analyzing trace with hash 1465845666, now seen corresponding path program 1 times [2022-11-02 21:05:06,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:06,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515604135] [2022-11-02 21:05:06,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:06,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:06,802 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:06,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1436473857] [2022-11-02 21:05:06,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:06,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:06,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:06,830 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:06,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-02 21:05:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:06,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:06,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:06,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:06,979 INFO L85 PathProgramCache]: Analyzing trace with hash 3199, now seen corresponding path program 2 times [2022-11-02 21:05:06,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:06,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138606073] [2022-11-02 21:05:06,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:06,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:06,986 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:06,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [989046425] [2022-11-02 21:05:06,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:05:06,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:06,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:06,994 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:06,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-02 21:05:07,043 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-02 21:05:07,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:05:07,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:07,053 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:07,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:07,053 INFO L85 PathProgramCache]: Analyzing trace with hash -71585824, now seen corresponding path program 1 times [2022-11-02 21:05:07,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:07,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970912282] [2022-11-02 21:05:07,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:07,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:07,071 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:07,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1534139322] [2022-11-02 21:05:07,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:07,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:07,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:07,078 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:07,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-02 21:05:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:07,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 21:05:07,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:07,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:07,218 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:05:07,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:07,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:07,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970912282] [2022-11-02 21:05:07,264 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:05:07,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534139322] [2022-11-02 21:05:07,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534139322] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:05:07,264 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 21:05:07,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2022-11-02 21:05:07,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444509544] [2022-11-02 21:05:07,267 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 21:05:07,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:07,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-02 21:05:07,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:05:07,473 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. cyclomatic complexity: 7 Second operand has 9 states, 8 states have (on average 2.125) internal successors, (17), 9 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:07,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:07,609 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2022-11-02 21:05:07,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 57 transitions. [2022-11-02 21:05:07,609 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 23 [2022-11-02 21:05:07,610 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 47 states and 57 transitions. [2022-11-02 21:05:07,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 42 [2022-11-02 21:05:07,610 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2022-11-02 21:05:07,611 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 57 transitions. [2022-11-02 21:05:07,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:05:07,611 INFO L218 hiAutomatonCegarLoop]: Abstraction has 47 states and 57 transitions. [2022-11-02 21:05:07,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 57 transitions. [2022-11-02 21:05:07,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 27. [2022-11-02 21:05:07,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 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) [2022-11-02 21:05:07,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2022-11-02 21:05:07,613 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 32 transitions. [2022-11-02 21:05:07,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 21:05:07,620 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2022-11-02 21:05:07,621 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-02 21:05:07,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2022-11-02 21:05:07,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2022-11-02 21:05:07,625 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:07,626 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:07,626 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:07,626 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:05:07,627 INFO L748 eck$LassoCheckResult]: Stem: 642#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 643#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 646#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 647#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 663#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 661#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 662#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 652#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 653#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 664#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 668#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 667#L74-4 q1_~i~1#1 := 0; 656#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 648#L76-2 [2022-11-02 21:05:07,627 INFO L750 eck$LassoCheckResult]: Loop: 648#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 649#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 648#L76-2 [2022-11-02 21:05:07,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:07,627 INFO L85 PathProgramCache]: Analyzing trace with hash -69873632, now seen corresponding path program 2 times [2022-11-02 21:05:07,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:07,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554259268] [2022-11-02 21:05:07,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:07,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:07,640 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:07,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1955781208] [2022-11-02 21:05:07,646 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:05:07,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:07,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:07,658 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:07,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-02 21:05:07,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:05:07,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:05:07,729 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:07,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:07,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:07,754 INFO L85 PathProgramCache]: Analyzing trace with hash 3199, now seen corresponding path program 3 times [2022-11-02 21:05:07,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:07,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289536090] [2022-11-02 21:05:07,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:07,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:07,758 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:07,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1928506548] [2022-11-02 21:05:07,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 21:05:07,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:07,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:07,761 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:07,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-02 21:05:07,822 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-02 21:05:07,822 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:05:07,822 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:07,841 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:07,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:07,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1570918622, now seen corresponding path program 2 times [2022-11-02 21:05:07,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:07,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142834984] [2022-11-02 21:05:07,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:07,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:07,853 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:07,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [151784244] [2022-11-02 21:05:07,861 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:05:07,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:07,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:07,868 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:07,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-02 21:05:07,960 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:05:07,961 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:05:07,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:07,998 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:10,120 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:05:10,120 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:05:10,120 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:05:10,120 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:05:10,121 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:05:10,121 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:10,121 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:05:10,121 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:05:10,121 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration9_Lasso [2022-11-02 21:05:10,121 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:05:10,121 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:05:10,126 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:10,137 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:10,140 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:10,143 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:10,146 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:10,150 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:10,152 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:10,156 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:10,167 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:10,170 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:10,174 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:10,178 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:10,188 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:10,958 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:10,963 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:13,277 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:05:13,277 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:05:13,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:13,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:13,282 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:13,298 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 [2022-11-02 21:05:13,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-02 21:05:13,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:13,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:13,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:13,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:13,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:13,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:13,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:13,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:13,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:13,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:13,348 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:13,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-02 21:05:13,351 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 [2022-11-02 21:05:13,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:13,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:13,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:13,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:13,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:13,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:13,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:13,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:13,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:13,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:13,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:13,394 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:13,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-02 21:05:13,397 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 [2022-11-02 21:05:13,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:13,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:13,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:13,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:13,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:13,408 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:13,408 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:13,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:13,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2022-11-02 21:05:13,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:13,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:13,442 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:13,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-02 21:05:13,449 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 [2022-11-02 21:05:13,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:13,459 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:13,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:13,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:13,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:13,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:13,460 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:13,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:13,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:13,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:13,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:13,483 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:13,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-02 21:05:13,485 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 [2022-11-02 21:05:13,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:13,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:13,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:13,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:13,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:13,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:13,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:13,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:13,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:13,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:13,543 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:13,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-02 21:05:13,546 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 [2022-11-02 21:05:13,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:13,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:13,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:13,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:13,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:13,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:13,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:13,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:13,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:13,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:13,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:13,584 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:13,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-02 21:05:13,587 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 [2022-11-02 21:05:13,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:13,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:13,597 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:13,597 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:13,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:13,599 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:13,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:13,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:13,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:13,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:13,626 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:13,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-02 21:05:13,628 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 [2022-11-02 21:05:13,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:13,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:13,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:13,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:13,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:13,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:13,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:13,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:13,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:13,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:13,671 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:13,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-02 21:05:13,674 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 [2022-11-02 21:05:13,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:13,684 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:13,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:13,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:13,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:13,685 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:13,685 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:13,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:13,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:13,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:13,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:13,711 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:13,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-02 21:05:13,713 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 [2022-11-02 21:05:13,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:13,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:13,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:13,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:13,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:13,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:13,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:13,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-11-02 21:05:13,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:13,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:13,763 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:13,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-02 21:05:13,765 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 [2022-11-02 21:05:13,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:13,775 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:13,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:13,775 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:13,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:13,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:13,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:13,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:13,798 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:13,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:13,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:13,799 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:13,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-02 21:05:13,802 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 [2022-11-02 21:05:13,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:13,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:13,812 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:13,812 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:13,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:13,815 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:13,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:13,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-11-02 21:05:13,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:13,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:13,845 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:13,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-02 21:05:13,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:05:13,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:13,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:13,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:13,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:13,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:13,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:13,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:13,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-02 21:05:13,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:13,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:13,933 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:13,939 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 [2022-11-02 21:05:13,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:13,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:13,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:13,952 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:13,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:13,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:13,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-02 21:05:13,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:14,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-02 21:05:14,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:14,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:14,006 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:14,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-02 21:05:14,011 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 [2022-11-02 21:05:14,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:14,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:14,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:14,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:14,024 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:14,024 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:14,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:14,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-02 21:05:14,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:14,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:14,050 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:14,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-02 21:05:14,052 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 [2022-11-02 21:05:14,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:14,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:14,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:14,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:14,065 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:14,065 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:14,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:14,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-02 21:05:14,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:14,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:14,129 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:14,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-02 21:05:14,131 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:05:14,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:14,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:14,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:14,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:14,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:14,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:14,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:14,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:14,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:14,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:14,173 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:14,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-02 21:05:14,175 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 [2022-11-02 21:05:14,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:14,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:14,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:14,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:14,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:14,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:14,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:14,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:14,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:14,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:14,222 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:14,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-02 21:05:14,225 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 [2022-11-02 21:05:14,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:14,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:14,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:14,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:14,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:14,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:14,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:14,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-02 21:05:14,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:14,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:14,264 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:14,279 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 [2022-11-02 21:05:14,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-02 21:05:14,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:14,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:14,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:14,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:14,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:14,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:14,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:14,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-02 21:05:14,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:14,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:14,318 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:14,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-02 21:05:14,320 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 [2022-11-02 21:05:14,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:14,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:14,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:14,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:14,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:14,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:14,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:14,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-02 21:05:14,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:14,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:14,359 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:14,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-02 21:05:14,373 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 [2022-11-02 21:05:14,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:14,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:14,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:14,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:14,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:14,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:14,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:14,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:14,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:14,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:14,414 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:14,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-02 21:05:14,415 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 [2022-11-02 21:05:14,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:14,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:14,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:14,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:14,427 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:14,427 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:14,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:14,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-02 21:05:14,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:14,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:14,475 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:14,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-02 21:05:14,477 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 [2022-11-02 21:05:14,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:14,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:14,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:14,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:14,488 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:14,488 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:14,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:14,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-02 21:05:14,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:14,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:14,515 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:14,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-02 21:05:14,518 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 [2022-11-02 21:05:14,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:14,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:14,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:14,528 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:14,528 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:14,529 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:14,529 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:14,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:14,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-02 21:05:14,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:14,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:14,566 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:14,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-02 21:05:14,568 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 [2022-11-02 21:05:14,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:14,578 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-02 21:05:14,578 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-02 21:05:14,578 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:14,622 INFO L401 nArgumentSynthesizer]: We have 36 Motzkin's Theorem applications. [2022-11-02 21:05:14,622 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-02 21:05:14,719 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:05:14,908 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2022-11-02 21:05:14,909 INFO L444 ModelExtractionUtils]: 24 out of 50 variables were initially zero. Simplification set additionally 23 variables to zero. [2022-11-02 21:05:14,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:14,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:14,912 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:14,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-02 21:05:14,914 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:05:14,929 INFO L438 nArgumentSynthesizer]: Removed 6 redundant supporting invariants from a total of 6. [2022-11-02 21:05:14,929 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:05:14,929 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_q1_~N~0#1, ULTIMATE.start_q1_~i~1#1) = 1*ULTIMATE.start_q1_~N~0#1 - 1*ULTIMATE.start_q1_~i~1#1 Supporting invariants [] [2022-11-02 21:05:14,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-02 21:05:14,993 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2022-11-02 21:05:15,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:05:15,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:05:15,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:15,087 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 [2022-11-02 21:05:15,087 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:15,127 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 48 transitions. Complement of second has 4 states. [2022-11-02 21:05:15,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 21:05:15,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:15,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2022-11-02 21:05:15,129 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 13 letters. Loop has 2 letters. [2022-11-02 21:05:15,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:05:15,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 15 letters. Loop has 2 letters. [2022-11-02 21:05:15,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:05:15,130 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 13 letters. Loop has 4 letters. [2022-11-02 21:05:15,130 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:05:15,131 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2022-11-02 21:05:15,132 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-02 21:05:15,132 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 29 states and 35 transitions. [2022-11-02 21:05:15,132 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-11-02 21:05:15,133 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2022-11-02 21:05:15,133 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 35 transitions. [2022-11-02 21:05:15,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:05:15,134 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-11-02 21:05:15,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 35 transitions. [2022-11-02 21:05:15,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2022-11-02 21:05:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 27 states have internal predecessors, (34), 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) [2022-11-02 21:05:15,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2022-11-02 21:05:15,147 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 34 transitions. [2022-11-02 21:05:15,147 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2022-11-02 21:05:15,147 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-02 21:05:15,147 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2022-11-02 21:05:15,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-02 21:05:15,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:15,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:15,152 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:15,153 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:15,153 INFO L748 eck$LassoCheckResult]: Stem: 807#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 808#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 811#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 812#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 829#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 827#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 828#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 830#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 831#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 821#L74-4 q1_~i~1#1 := 0; 822#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 813#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 814#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 809#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 810#L18-3 [2022-11-02 21:05:15,155 INFO L750 eck$LassoCheckResult]: Loop: 810#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 824#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 825#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 817#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 818#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 826#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 823#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 810#L18-3 [2022-11-02 21:05:15,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:15,156 INFO L85 PathProgramCache]: Analyzing trace with hash 2075806767, now seen corresponding path program 1 times [2022-11-02 21:05:15,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:15,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71212363] [2022-11-02 21:05:15,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:15,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:15,167 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:15,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [57754852] [2022-11-02 21:05:15,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:15,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:15,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:15,169 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:15,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2022-11-02 21:05:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:15,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:15,270 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:15,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:15,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 3 times [2022-11-02 21:05:15,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:15,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674214763] [2022-11-02 21:05:15,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:15,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:15,277 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:15,288 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:15,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:15,293 INFO L85 PathProgramCache]: Analyzing trace with hash -548718141, now seen corresponding path program 1 times [2022-11-02 21:05:15,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:15,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691594637] [2022-11-02 21:05:15,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:15,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:15,302 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:15,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1734986890] [2022-11-02 21:05:15,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:15,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:15,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:15,305 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:15,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2022-11-02 21:05:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:15,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-02 21:05:15,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:15,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 21:05:15,431 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:05:15,470 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-02 21:05:15,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:15,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691594637] [2022-11-02 21:05:15,471 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:05:15,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734986890] [2022-11-02 21:05:15,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734986890] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:05:15,472 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 21:05:15,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2022-11-02 21:05:15,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335580752] [2022-11-02 21:05:15,472 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 21:05:15,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:15,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-02 21:05:15,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-02 21:05:15,628 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:15,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-02 21:05:15,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:15,822 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2022-11-02 21:05:15,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2022-11-02 21:05:15,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-02 21:05:15,823 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 28 states and 33 transitions. [2022-11-02 21:05:15,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-11-02 21:05:15,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-11-02 21:05:15,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2022-11-02 21:05:15,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:05:15,824 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2022-11-02 21:05:15,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2022-11-02 21:05:15,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2022-11-02 21:05:15,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 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) [2022-11-02 21:05:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-11-02 21:05:15,826 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-02 21:05:15,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:05:15,827 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-02 21:05:15,827 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-02 21:05:15,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2022-11-02 21:05:15,828 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-11-02 21:05:15,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:15,828 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:15,829 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:15,829 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:15,830 INFO L748 eck$LassoCheckResult]: Stem: 1008#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 1009#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 1012#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 1013#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 1030#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 1028#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 1029#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1020#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1021#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1031#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1032#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1022#L74-4 q1_~i~1#1 := 0; 1023#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1014#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1015#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1016#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1017#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1010#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 1011#L18-3 [2022-11-02 21:05:15,830 INFO L750 eck$LassoCheckResult]: Loop: 1011#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 1025#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1026#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1018#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1019#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 1027#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1024#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 1011#L18-3 [2022-11-02 21:05:15,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:15,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1273080179, now seen corresponding path program 2 times [2022-11-02 21:05:15,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:15,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445208405] [2022-11-02 21:05:15,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:15,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:15,840 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:15,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [552465616] [2022-11-02 21:05:15,841 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:05:15,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:15,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:15,843 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:15,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2022-11-02 21:05:15,958 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:05:15,958 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:05:15,959 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:15,993 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:15,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:15,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1669532239, now seen corresponding path program 4 times [2022-11-02 21:05:15,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:15,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445838509] [2022-11-02 21:05:15,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:15,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:16,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:16,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:16,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:16,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:16,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1247881215, now seen corresponding path program 2 times [2022-11-02 21:05:16,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:16,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374680458] [2022-11-02 21:05:16,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:16,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:16,017 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:16,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [491674797] [2022-11-02 21:05:16,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:05:16,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:16,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:16,022 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:16,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2022-11-02 21:05:16,119 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:05:16,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:05:16,119 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:16,162 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:21,328 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:05:21,328 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:05:21,329 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:05:21,329 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:05:21,329 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:05:21,329 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:21,329 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:05:21,329 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:05:21,329 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration11_Lasso [2022-11-02 21:05:21,330 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:05:21,330 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:05:21,340 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:21,343 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:21,346 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:21,348 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:21,351 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:21,353 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:21,355 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:21,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:21,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:21,370 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:21,372 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:22,742 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:22,745 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:22,747 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:22,751 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:22,759 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:22,762 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:22,765 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:22,767 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:22,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:22,779 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:22,781 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:22,784 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:24,022 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:05:24,023 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:05:24,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,032 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-02 21:05:24,035 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 [2022-11-02 21:05:24,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,046 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:24,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:24,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:24,049 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:24,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,075 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-02 21:05:24,076 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 [2022-11-02 21:05:24,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:24,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:24,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:24,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,116 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-02 21:05:24,118 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 [2022-11-02 21:05:24,128 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,128 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:24,128 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,129 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:24,129 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:24,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:24,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,155 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-02 21:05:24,157 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 [2022-11-02 21:05:24,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,167 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:24,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,168 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:24,168 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:24,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2022-11-02 21:05:24,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,196 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-02 21:05:24,198 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 [2022-11-02 21:05:24,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:24,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:24,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:24,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:24,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,235 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-02 21:05:24,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:05:24,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:24,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,247 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:24,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:24,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-11-02 21:05:24,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,271 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,277 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 [2022-11-02 21:05:24,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,290 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:24,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,291 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:24,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:24,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-02 21:05:24,310 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:24,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,345 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,351 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 [2022-11-02 21:05:24,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-02 21:05:24,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:24,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:24,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2022-11-02 21:05:24,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,424 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-02 21:05:24,426 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 [2022-11-02 21:05:24,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:24,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:24,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:24,438 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:24,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,464 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-02 21:05:24,466 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 [2022-11-02 21:05:24,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,476 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:24,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:24,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:24,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2022-11-02 21:05:24,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,499 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-02 21:05:24,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:05:24,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:24,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:24,516 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:24,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,537 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-02 21:05:24,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:05:24,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,550 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:24,550 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:24,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-02 21:05:24,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,578 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-02 21:05:24,580 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 [2022-11-02 21:05:24,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:24,591 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:24,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-11-02 21:05:24,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,623 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-02 21:05:24,624 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 [2022-11-02 21:05:24,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:24,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:24,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:24,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,663 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-02 21:05:24,665 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 [2022-11-02 21:05:24,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,677 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:24,677 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:24,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-11-02 21:05:24,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,703 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-02 21:05:24,704 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 [2022-11-02 21:05:24,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,717 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:24,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:24,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:24,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,748 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-02 21:05:24,751 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 [2022-11-02 21:05:24,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,761 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:24,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:24,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:24,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-11-02 21:05:24,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,786 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-02 21:05:24,787 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 [2022-11-02 21:05:24,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,798 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,798 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,798 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,799 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:24,799 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:24,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-11-02 21:05:24,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,825 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-02 21:05:24,829 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 [2022-11-02 21:05:24,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:24,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:24,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-11-02 21:05:24,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,868 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-02 21:05:24,870 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 [2022-11-02 21:05:24,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:24,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:24,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2022-11-02 21:05:24,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,911 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-02 21:05:24,921 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 [2022-11-02 21:05:24,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:24,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:24,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:24,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:24,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:24,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2022-11-02 21:05:24,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:24,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:24,985 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:24,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-02 21:05:24,987 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 [2022-11-02 21:05:24,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:24,997 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-02 21:05:24,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:24,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:25,009 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-02 21:05:25,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:25,034 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:05:25,076 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-02 21:05:25,076 INFO L444 ModelExtractionUtils]: 15 out of 37 variables were initially zero. Simplification set additionally 19 variables to zero. [2022-11-02 21:05:25,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:25,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:25,078 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:25,080 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:05:25,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-02 21:05:25,104 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 21:05:25,104 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:05:25,105 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubblesort_~a~0#1, ULTIMATE.start_bubblesort_~size#1) = -1*ULTIMATE.start_bubblesort_~a~0#1 + 1*ULTIMATE.start_bubblesort_~size#1 Supporting invariants [] [2022-11-02 21:05:25,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2022-11-02 21:05:25,227 INFO L156 tatePredicateManager]: 19 out of 19 supporting invariants were superfluous and have been removed [2022-11-02 21:05:25,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:25,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 21:05:25,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:25,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:25,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:05:25,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:05:25,371 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 [2022-11-02 21:05:25,371 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:25,387 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 29 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 39 transitions. Complement of second has 4 states. [2022-11-02 21:05:25,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 21:05:25,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:25,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2022-11-02 21:05:25,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 18 letters. Loop has 7 letters. [2022-11-02 21:05:25,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:05:25,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 25 letters. Loop has 7 letters. [2022-11-02 21:05:25,389 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:05:25,389 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 18 letters. Loop has 14 letters. [2022-11-02 21:05:25,390 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:05:25,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 39 transitions. [2022-11-02 21:05:25,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 21:05:25,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 31 states and 38 transitions. [2022-11-02 21:05:25,391 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-02 21:05:25,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-02 21:05:25,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 38 transitions. [2022-11-02 21:05:25,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:05:25,392 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-11-02 21:05:25,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 38 transitions. [2022-11-02 21:05:25,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2022-11-02 21:05:25,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 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) [2022-11-02 21:05:25,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2022-11-02 21:05:25,394 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-02 21:05:25,395 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-02 21:05:25,395 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2022-11-02 21:05:25,395 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2022-11-02 21:05:25,395 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 21:05:25,395 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:25,396 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:25,396 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:25,396 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 21:05:25,397 INFO L748 eck$LassoCheckResult]: Stem: 1235#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 1236#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 1239#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 1240#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 1262#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 1260#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 1261#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1249#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1250#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1263#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1264#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1251#L74-4 q1_~i~1#1 := 0; 1252#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1241#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1242#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1243#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1244#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1237#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 1238#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 1256#L20-3 [2022-11-02 21:05:25,397 INFO L750 eck$LassoCheckResult]: Loop: 1256#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1257#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1245#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1246#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 1256#L20-3 [2022-11-02 21:05:25,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:25,397 INFO L85 PathProgramCache]: Analyzing trace with hash 810779970, now seen corresponding path program 1 times [2022-11-02 21:05:25,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:25,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994674915] [2022-11-02 21:05:25,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:25,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:25,407 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:25,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1551475540] [2022-11-02 21:05:25,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:25,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:25,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:25,409 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:25,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2022-11-02 21:05:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:25,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:25,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:25,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:25,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:25,529 INFO L85 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 1 times [2022-11-02 21:05:25,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:25,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901425619] [2022-11-02 21:05:25,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:25,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:25,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:25,539 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:25,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:25,540 INFO L85 PathProgramCache]: Analyzing trace with hash 618057612, now seen corresponding path program 1 times [2022-11-02 21:05:25,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:25,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082532385] [2022-11-02 21:05:25,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:25,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:25,558 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:25,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [138369974] [2022-11-02 21:05:25,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:25,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:25,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:25,564 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:25,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2022-11-02 21:05:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:25,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:25,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:27,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:32,304 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:05:32,304 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:05:32,304 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:05:32,304 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:05:32,304 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:05:32,304 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:32,304 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:05:32,304 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:05:32,304 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration12_Lasso [2022-11-02 21:05:32,305 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:05:32,305 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:05:32,309 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:32,315 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:32,317 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:32,319 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:32,322 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:32,324 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:32,326 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:32,328 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:32,331 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:32,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:32,341 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:32,344 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:34,793 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:34,795 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:34,798 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:34,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:34,802 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:34,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:34,810 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:34,817 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:34,819 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:34,832 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:05:36,110 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:05:36,110 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:05:36,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,116 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-02 21:05:36,117 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 [2022-11-02 21:05:36,127 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:36,127 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:36,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:36,128 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:36,128 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:36,128 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:36,128 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:36,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:36,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2022-11-02 21:05:36,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,154 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-02 21:05:36,156 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 [2022-11-02 21:05:36,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:36,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:36,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:36,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:36,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:36,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:36,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:36,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2022-11-02 21:05:36,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,194 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-02 21:05:36,196 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 [2022-11-02 21:05:36,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:36,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:36,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:36,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:36,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:36,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:36,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:36,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:36,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2022-11-02 21:05:36,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,231 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,232 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 [2022-11-02 21:05:36,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-02 21:05:36,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:36,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:36,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:36,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:36,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:36,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:36,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:36,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:36,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2022-11-02 21:05:36,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,267 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-02 21:05:36,271 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 [2022-11-02 21:05:36,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:36,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:36,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:36,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:36,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:36,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:36,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:36,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:36,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:36,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,327 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-02 21:05:36,329 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 [2022-11-02 21:05:36,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:36,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:36,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:36,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:36,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:36,339 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:36,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:36,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:36,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:36,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,364 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,366 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 [2022-11-02 21:05:36,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-02 21:05:36,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:36,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:36,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:36,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:36,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:36,376 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:36,376 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:36,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:36,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:36,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,402 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-02 21:05:36,403 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 [2022-11-02 21:05:36,413 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:36,413 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:36,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:36,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:36,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:36,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:36,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:36,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:36,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2022-11-02 21:05:36,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,438 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-02 21:05:36,440 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 [2022-11-02 21:05:36,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:36,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:36,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:36,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:36,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:36,451 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:36,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:36,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2022-11-02 21:05:36,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,475 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-02 21:05:36,477 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 [2022-11-02 21:05:36,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:36,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:36,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:36,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:36,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:36,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:36,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:36,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:36,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2022-11-02 21:05:36,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,512 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-02 21:05:36,514 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 [2022-11-02 21:05:36,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:36,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:05:36,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:36,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:36,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:36,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:05:36,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:05:36,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:36,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:36,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,548 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-02 21:05:36,549 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 [2022-11-02 21:05:36,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:36,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:36,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:36,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:36,568 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:36,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:36,583 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:36,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:36,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,606 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-02 21:05:36,607 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 [2022-11-02 21:05:36,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:36,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:05:36,618 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:36,618 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:36,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:05:36,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:36,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:05:36,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:36,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,680 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,683 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 [2022-11-02 21:05:36,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:05:36,696 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-02 21:05:36,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:05:36,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:05:36,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-02 21:05:36,712 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-02 21:05:36,712 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:05:36,734 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:05:36,825 INFO L443 ModelExtractionUtils]: Simplification made 29 calls to the SMT solver. [2022-11-02 21:05:36,825 INFO L444 ModelExtractionUtils]: 3 out of 40 variables were initially zero. Simplification set additionally 34 variables to zero. [2022-11-02 21:05:36,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:05:36,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:36,829 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:05:36,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-11-02 21:05:36,830 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:05:36,841 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-02 21:05:36,842 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:05:36,842 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_bubblesort_~b~0#1) = 1*ULTIMATE.start_bubblesort_~b~0#1 Supporting invariants [-1*ULTIMATE.start_bubblesort_~item#1.offset >= 0] [2022-11-02 21:05:36,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2022-11-02 21:05:37,052 INFO L156 tatePredicateManager]: 27 out of 28 supporting invariants were superfluous and have been removed [2022-11-02 21:05:37,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:37,107 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 21:05:37,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:37,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-02 21:05:37,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:05:37,296 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2022-11-02 21:05:37,297 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 11 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:37,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-11-02 21:05:37,374 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 11. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 65 transitions. Complement of second has 9 states. [2022-11-02 21:05:37,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 3 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-02 21:05:37,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:37,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 22 transitions. [2022-11-02 21:05:37,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 19 letters. Loop has 4 letters. [2022-11-02 21:05:37,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:05:37,377 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 23 letters. Loop has 4 letters. [2022-11-02 21:05:37,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:05:37,378 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 22 transitions. Stem has 19 letters. Loop has 8 letters. [2022-11-02 21:05:37,378 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:05:37,378 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 65 transitions. [2022-11-02 21:05:37,379 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 21:05:37,380 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 37 states and 46 transitions. [2022-11-02 21:05:37,380 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-02 21:05:37,380 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-02 21:05:37,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2022-11-02 21:05:37,381 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:05:37,381 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 46 transitions. [2022-11-02 21:05:37,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2022-11-02 21:05:37,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2022-11-02 21:05:37,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2) internal successors, (36), 29 states have internal predecessors, (36), 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) [2022-11-02 21:05:37,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 36 transitions. [2022-11-02 21:05:37,383 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-11-02 21:05:37,384 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 36 transitions. [2022-11-02 21:05:37,384 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2022-11-02 21:05:37,384 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 36 transitions. [2022-11-02 21:05:37,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 21:05:37,385 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:37,385 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:37,386 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:37,386 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 21:05:37,386 INFO L748 eck$LassoCheckResult]: Stem: 1530#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 1531#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 1534#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 1535#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 1557#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 1555#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 1556#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1544#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1545#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1558#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1559#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1546#L74-4 q1_~i~1#1 := 0; 1547#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1536#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1537#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1538#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1539#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1532#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 1533#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 1550#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1553#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1542#L25 assume !(bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1);havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1; 1543#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 1554#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1548#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 1549#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 1551#L20-3 [2022-11-02 21:05:37,387 INFO L750 eck$LassoCheckResult]: Loop: 1551#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1552#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1540#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1541#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 1551#L20-3 [2022-11-02 21:05:37,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:37,387 INFO L85 PathProgramCache]: Analyzing trace with hash 31459128, now seen corresponding path program 1 times [2022-11-02 21:05:37,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:37,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113847407] [2022-11-02 21:05:37,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:37,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:37,399 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:37,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [210081118] [2022-11-02 21:05:37,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:37,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:37,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:37,407 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:37,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Waiting until timeout for monitored process [2022-11-02 21:05:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:37,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 21:05:37,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-02 21:05:37,594 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:05:37,670 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-02 21:05:37,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:37,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113847407] [2022-11-02 21:05:37,671 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:05:37,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210081118] [2022-11-02 21:05:37,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210081118] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:05:37,671 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 21:05:37,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2022-11-02 21:05:37,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015692422] [2022-11-02 21:05:37,672 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 21:05:37,672 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 21:05:37,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:37,673 INFO L85 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 2 times [2022-11-02 21:05:37,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:37,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418937343] [2022-11-02 21:05:37,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:37,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:37,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:37,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:37,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:37,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-02 21:05:37,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:05:37,826 INFO L87 Difference]: Start difference. First operand 30 states and 36 transitions. cyclomatic complexity: 10 Second operand has 10 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 10 states have internal predecessors, (33), 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) [2022-11-02 21:05:38,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:38,025 INFO L93 Difference]: Finished difference Result 54 states and 65 transitions. [2022-11-02 21:05:38,025 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 65 transitions. [2022-11-02 21:05:38,028 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 21:05:38,028 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 37 states and 44 transitions. [2022-11-02 21:05:38,028 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-02 21:05:38,029 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-02 21:05:38,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 44 transitions. [2022-11-02 21:05:38,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:05:38,029 INFO L218 hiAutomatonCegarLoop]: Abstraction has 37 states and 44 transitions. [2022-11-02 21:05:38,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 44 transitions. [2022-11-02 21:05:38,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 34. [2022-11-02 21:05:38,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 33 states have internal predecessors, (40), 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) [2022-11-02 21:05:38,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2022-11-02 21:05:38,032 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 40 transitions. [2022-11-02 21:05:38,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 21:05:38,035 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 40 transitions. [2022-11-02 21:05:38,035 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2022-11-02 21:05:38,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 40 transitions. [2022-11-02 21:05:38,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 21:05:38,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:38,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:38,037 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:38,037 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 21:05:38,037 INFO L748 eck$LassoCheckResult]: Stem: 1787#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 1788#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 1791#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 1792#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 1815#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 1813#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 1814#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1816#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1817#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1801#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1802#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 1820#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 1819#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1803#L74-4 q1_~i~1#1 := 0; 1804#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1793#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1794#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1795#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1796#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 1805#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 1818#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 1789#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 1790#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 1808#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1811#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1799#L25 assume !(bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1);havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1; 1800#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 1812#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1806#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 1807#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 1809#L20-3 [2022-11-02 21:05:38,038 INFO L750 eck$LassoCheckResult]: Loop: 1809#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 1810#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1797#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 1798#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 1809#L20-3 [2022-11-02 21:05:38,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:38,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1103015548, now seen corresponding path program 2 times [2022-11-02 21:05:38,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:38,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971825447] [2022-11-02 21:05:38,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:38,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:38,050 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:38,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1528084347] [2022-11-02 21:05:38,050 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:05:38,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:38,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:38,052 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:38,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (93)] Waiting until timeout for monitored process [2022-11-02 21:05:38,159 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:05:38,159 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:05:38,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 21:05:38,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:38,255 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-02 21:05:38,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:05:38,354 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-02 21:05:38,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:38,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971825447] [2022-11-02 21:05:38,354 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:05:38,354 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528084347] [2022-11-02 21:05:38,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528084347] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:05:38,355 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 21:05:38,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2022-11-02 21:05:38,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623163752] [2022-11-02 21:05:38,355 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 21:05:38,355 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 21:05:38,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:38,356 INFO L85 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 3 times [2022-11-02 21:05:38,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:38,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067659158] [2022-11-02 21:05:38,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:38,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:38,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:38,367 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:38,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:38,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 21:05:38,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2022-11-02 21:05:38,513 INFO L87 Difference]: Start difference. First operand 34 states and 40 transitions. cyclomatic complexity: 10 Second operand has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 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) [2022-11-02 21:05:38,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:38,797 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2022-11-02 21:05:38,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 58 transitions. [2022-11-02 21:05:38,797 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 21:05:38,798 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 58 transitions. [2022-11-02 21:05:38,798 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-11-02 21:05:38,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-02 21:05:38,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 58 transitions. [2022-11-02 21:05:38,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:05:38,799 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 58 transitions. [2022-11-02 21:05:38,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 58 transitions. [2022-11-02 21:05:38,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 38. [2022-11-02 21:05:38,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 37 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:05:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2022-11-02 21:05:38,804 INFO L240 hiAutomatonCegarLoop]: Abstraction has 38 states and 45 transitions. [2022-11-02 21:05:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 21:05:38,805 INFO L428 stractBuchiCegarLoop]: Abstraction has 38 states and 45 transitions. [2022-11-02 21:05:38,805 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2022-11-02 21:05:38,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 45 transitions. [2022-11-02 21:05:38,806 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 21:05:38,806 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:38,806 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:38,807 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:38,807 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 21:05:38,807 INFO L748 eck$LassoCheckResult]: Stem: 2074#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 2075#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 2078#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 2079#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 2102#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 2100#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 2101#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 2088#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 2089#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 2103#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 2108#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 2107#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 2106#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 2090#L74-4 q1_~i~1#1 := 0; 2091#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 2080#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 2081#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 2082#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 2083#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 2105#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 2104#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 2076#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 2077#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 2099#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 2111#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 2110#L25 assume !(bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1);havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1; 2098#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 2096#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 2097#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 2086#L25 assume !(bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1);havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1; 2087#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 2109#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 2092#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 2093#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 2094#L20-3 [2022-11-02 21:05:38,808 INFO L750 eck$LassoCheckResult]: Loop: 2094#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 2095#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 2084#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 2085#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 2094#L20-3 [2022-11-02 21:05:38,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:38,808 INFO L85 PathProgramCache]: Analyzing trace with hash 545700084, now seen corresponding path program 3 times [2022-11-02 21:05:38,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:38,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51769126] [2022-11-02 21:05:38,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:38,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:38,844 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:38,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [238530514] [2022-11-02 21:05:38,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 21:05:38,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:38,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:38,846 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:38,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Waiting until timeout for monitored process [2022-11-02 21:05:38,973 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-02 21:05:38,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:05:38,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:39,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:39,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:39,047 INFO L85 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 4 times [2022-11-02 21:05:39,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:39,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065703581] [2022-11-02 21:05:39,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:39,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:39,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:39,054 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:39,059 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:39,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:39,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1677403586, now seen corresponding path program 1 times [2022-11-02 21:05:39,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:39,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036181135] [2022-11-02 21:05:39,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:39,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:39,072 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:39,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970477097] [2022-11-02 21:05:39,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:39,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:39,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:39,078 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:39,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Waiting until timeout for monitored process [2022-11-02 21:05:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:05:39,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-02 21:05:39,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:39,696 INFO L356 Elim1Store]: treesize reduction 48, result has 12.7 percent of original size [2022-11-02 21:05:39,697 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 16 [2022-11-02 21:05:39,721 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-02 21:05:39,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:05:40,119 INFO L356 Elim1Store]: treesize reduction 31, result has 41.5 percent of original size [2022-11-02 21:05:40,120 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 30 [2022-11-02 21:05:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-02 21:05:40,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:40,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036181135] [2022-11-02 21:05:40,153 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:05:40,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970477097] [2022-11-02 21:05:40,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970477097] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:05:40,153 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 21:05:40,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 7] total 19 [2022-11-02 21:05:40,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590880846] [2022-11-02 21:05:40,153 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 21:05:40,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:40,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-02 21:05:40,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2022-11-02 21:05:40,302 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. cyclomatic complexity: 11 Second operand has 19 states, 19 states have (on average 2.8947368421052633) internal successors, (55), 19 states have internal predecessors, (55), 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) [2022-11-02 21:05:40,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:40,951 INFO L93 Difference]: Finished difference Result 129 states and 158 transitions. [2022-11-02 21:05:40,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 158 transitions. [2022-11-02 21:05:40,952 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2022-11-02 21:05:40,953 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 129 states and 158 transitions. [2022-11-02 21:05:40,954 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2022-11-02 21:05:40,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2022-11-02 21:05:40,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 129 states and 158 transitions. [2022-11-02 21:05:40,954 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:05:40,955 INFO L218 hiAutomatonCegarLoop]: Abstraction has 129 states and 158 transitions. [2022-11-02 21:05:40,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states and 158 transitions. [2022-11-02 21:05:40,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 52. [2022-11-02 21:05:40,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.1923076923076923) internal successors, (62), 51 states have internal predecessors, (62), 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) [2022-11-02 21:05:40,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2022-11-02 21:05:40,958 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 62 transitions. [2022-11-02 21:05:40,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-02 21:05:40,967 INFO L428 stractBuchiCegarLoop]: Abstraction has 52 states and 62 transitions. [2022-11-02 21:05:40,967 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2022-11-02 21:05:40,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 62 transitions. [2022-11-02 21:05:40,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 21:05:40,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:40,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:40,971 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:40,972 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 21:05:40,972 INFO L748 eck$LassoCheckResult]: Stem: 2511#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 2512#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 2515#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 2516#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 2543#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 2541#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 2542#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 2525#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 2526#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 2548#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 2544#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 2545#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 2547#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 2527#L74-4 q1_~i~1#1 := 0; 2528#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 2517#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 2518#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 2519#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 2520#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 2529#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 2546#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 2513#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 2514#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 2532#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 2559#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 2557#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 2558#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 2562#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 2551#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 2561#L25 assume !(bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1);havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1; 2556#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 2549#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 2550#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 2533#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 2535#L20-3 [2022-11-02 21:05:40,972 INFO L750 eck$LassoCheckResult]: Loop: 2535#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 2536#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 2553#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 2522#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 2535#L20-3 [2022-11-02 21:05:40,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:40,973 INFO L85 PathProgramCache]: Analyzing trace with hash -134358286, now seen corresponding path program 2 times [2022-11-02 21:05:40,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:40,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264876378] [2022-11-02 21:05:40,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:40,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:40,996 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:40,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870445767] [2022-11-02 21:05:40,997 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:05:40,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:40,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:41,002 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:41,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Waiting until timeout for monitored process [2022-11-02 21:05:41,132 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:05:41,132 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:05:41,132 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:41,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:41,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:41,188 INFO L85 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 5 times [2022-11-02 21:05:41,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:41,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430469818] [2022-11-02 21:05:41,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:41,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:41,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:41,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:41,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:41,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1090597572, now seen corresponding path program 3 times [2022-11-02 21:05:41,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:41,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026511596] [2022-11-02 21:05:41,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:41,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:41,220 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:41,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1405396838] [2022-11-02 21:05:41,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 21:05:41,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:41,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:41,223 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:41,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (97)] Waiting until timeout for monitored process [2022-11-02 21:05:41,378 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-02 21:05:41,378 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:05:41,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-02 21:05:41,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:05:41,458 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-02 21:05:41,458 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 35 [2022-11-02 21:05:41,655 INFO L356 Elim1Store]: treesize reduction 46, result has 13.2 percent of original size [2022-11-02 21:05:41,655 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 46 treesize of output 18 [2022-11-02 21:05:41,675 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-02 21:05:41,676 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:05:41,851 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 100 treesize of output 88 [2022-11-02 21:05:41,887 INFO L356 Elim1Store]: treesize reduction 41, result has 25.5 percent of original size [2022-11-02 21:05:41,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1748 treesize of output 1512 [2022-11-02 21:05:42,263 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-02 21:05:42,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:05:42,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026511596] [2022-11-02 21:05:42,264 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-02 21:05:42,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405396838] [2022-11-02 21:05:42,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405396838] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:05:42,265 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-02 21:05:42,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2022-11-02 21:05:42,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682466040] [2022-11-02 21:05:42,265 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-02 21:05:42,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:05:42,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-02 21:05:42,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-02 21:05:42,410 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. cyclomatic complexity: 14 Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 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) [2022-11-02 21:05:42,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:05:42,524 INFO L93 Difference]: Finished difference Result 78 states and 94 transitions. [2022-11-02 21:05:42,525 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 94 transitions. [2022-11-02 21:05:42,525 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-02 21:05:42,527 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 78 states and 94 transitions. [2022-11-02 21:05:42,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 32 [2022-11-02 21:05:42,528 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2022-11-02 21:05:42,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 94 transitions. [2022-11-02 21:05:42,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-02 21:05:42,528 INFO L218 hiAutomatonCegarLoop]: Abstraction has 78 states and 94 transitions. [2022-11-02 21:05:42,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 94 transitions. [2022-11-02 21:05:42,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 53. [2022-11-02 21:05:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.2075471698113207) internal successors, (64), 52 states have internal predecessors, (64), 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) [2022-11-02 21:05:42,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2022-11-02 21:05:42,531 INFO L240 hiAutomatonCegarLoop]: Abstraction has 53 states and 64 transitions. [2022-11-02 21:05:42,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 21:05:42,533 INFO L428 stractBuchiCegarLoop]: Abstraction has 53 states and 64 transitions. [2022-11-02 21:05:42,533 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2022-11-02 21:05:42,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 64 transitions. [2022-11-02 21:05:42,534 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-02 21:05:42,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:05:42,534 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:05:42,535 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:05:42,535 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-02 21:05:42,535 INFO L748 eck$LassoCheckResult]: Stem: 2885#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(16, 2);call #Ultimate.allocInit(12, 3); 2886#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;main_~argc#1 := main_#in~argc#1;main_~#argv#1.base, main_~#argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;assume { :begin_inline_q1 } true;q1_#in~argc#1, q1_#in~argv#1.base, q1_#in~argv#1.offset := main_~argc#1, main_~#argv#1.base, main_~#argv#1.offset;havoc q1_#t~nondet16#1, q1_#t~switch17#1, q1_#t~pre18#1, q1_#t~pre19#1, q1_#t~pre20#1, q1_#t~nondet22#1, q1_#t~mem23#1, q1_#t~mem24#1, q1_#t~post21#1, q1_~r~0#1, q1_~temp~0#1, q1_~argc#1, q1_~argv#1.base, q1_~argv#1.offset, q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset, q1_~i~1#1;q1_~argc#1 := q1_#in~argc#1;q1_~argv#1.base, q1_~argv#1.offset := q1_#in~argv#1.base, q1_#in~argv#1.offset; 2889#L56 assume !(q1_~argc#1 < 2);q1_~N~0#1 := q1_#t~nondet16#1;havoc q1_#t~nondet16#1;call q1_~#a~1#1.base, q1_~#a~1#1.offset := #Ultimate.allocOnStack(4 * q1_~N~0#1);havoc q1_~i~1#1;q1_#t~switch17#1 := false; 2890#L65 assume !q1_#t~switch17#1;q1_#t~switch17#1 := q1_#t~switch17#1; 2917#L69 assume !q1_#t~switch17#1;q1_#t~switch17#1 := true; 2915#L73 assume q1_#t~switch17#1;q1_~i~1#1 := 0; 2916#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 2918#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 2919#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 2899#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 2900#L74-3 assume !!(q1_~i~1#1 < q1_~N~0#1);call write~int(q1_~i~1#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4); 2923#L74-2 q1_#t~pre20#1 := 1 + q1_~i~1#1;q1_~i~1#1 := 1 + q1_~i~1#1;havoc q1_#t~pre20#1; 2922#L74-3 assume !(q1_~i~1#1 < q1_~N~0#1); 2902#L74-4 q1_~i~1#1 := 0; 2901#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 2891#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 2892#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 2893#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 2894#L76-3 assume !!(q1_~i~1#1 < q1_~N~0#1);q1_~r~0#1 := q1_~i~1#1 + (if q1_#t~nondet22#1 < 0 && 0 != q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) then (if q1_~N~0#1 - q1_~i~1#1 < 0 then q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) + (q1_~N~0#1 - q1_~i~1#1) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1) - (q1_~N~0#1 - q1_~i~1#1)) else q1_#t~nondet22#1 % (q1_~N~0#1 - q1_~i~1#1));havoc q1_#t~nondet22#1;call q1_#t~mem23#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);q1_~temp~0#1 := q1_#t~mem23#1;havoc q1_#t~mem23#1;call q1_#t~mem24#1 := read~int(q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4);call write~int(q1_#t~mem24#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~i~1#1, 4);havoc q1_#t~mem24#1;call write~int(q1_~temp~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset + 4 * q1_~r~0#1, 4); 2921#L76-2 q1_#t~post21#1 := q1_~i~1#1;q1_~i~1#1 := 1 + q1_#t~post21#1;havoc q1_#t~post21#1; 2920#L76-3 assume !(q1_~i~1#1 < q1_~N~0#1); 2887#L63 havoc q1_#t~switch17#1;assume { :begin_inline_bubblesort } true;bubblesort_#in~size#1, bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset := q1_~N~0#1, q1_~#a~1#1.base, q1_~#a~1#1.offset;havoc bubblesort_#t~mem6#1, bubblesort_#t~mem7#1, bubblesort_#t~mem8#1, bubblesort_#t~mem9#1, bubblesort_#t~pre5#1, bubblesort_#t~pre4#1, bubblesort_~size#1, bubblesort_~item#1.base, bubblesort_~item#1.offset, bubblesort_~a~0#1, bubblesort_~b~0#1, bubblesort_~t~0#1;bubblesort_~size#1 := bubblesort_#in~size#1;bubblesort_~item#1.base, bubblesort_~item#1.offset := bubblesort_#in~item#1.base, bubblesort_#in~item#1.offset;havoc bubblesort_~a~0#1;havoc bubblesort_~b~0#1;havoc bubblesort_~t~0#1;bubblesort_~a~0#1 := 1; 2888#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 2905#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 2927#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 2926#L25 assume !(bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1);havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1; 2912#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 2913#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 2925#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 2934#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 2933#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 2931#L20-3 assume !(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 2930#L18-2 bubblesort_#t~pre4#1 := 1 + bubblesort_~a~0#1;bubblesort_~a~0#1 := 1 + bubblesort_~a~0#1;havoc bubblesort_#t~pre4#1; 2906#L18-3 assume !!(bubblesort_~a~0#1 < bubblesort_~size#1);bubblesort_~b~0#1 := bubblesort_~size#1 - 1; 2908#L20-3 [2022-11-02 21:05:42,536 INFO L750 eck$LassoCheckResult]: Loop: 2908#L20-3 assume !!(bubblesort_~b~0#1 >= bubblesort_~a~0#1); 2909#L23 assume bubblesort_~b~0#1 - 1 < bubblesort_~size#1 && bubblesort_~b~0#1 < bubblesort_~size#1;call bubblesort_#t~mem6#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);call bubblesort_#t~mem7#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 2914#L25 assume bubblesort_#t~mem6#1 > bubblesort_#t~mem7#1;havoc bubblesort_#t~mem6#1;havoc bubblesort_#t~mem7#1;call bubblesort_#t~mem8#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);bubblesort_~t~0#1 := bubblesort_#t~mem8#1;havoc bubblesort_#t~mem8#1;call bubblesort_#t~mem9#1 := read~int(bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4);call write~int(bubblesort_#t~mem9#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * (bubblesort_~b~0#1 - 1), 4);havoc bubblesort_#t~mem9#1;call write~int(bubblesort_~t~0#1, bubblesort_~item#1.base, bubblesort_~item#1.offset + 4 * bubblesort_~b~0#1, 4); 2896#L20-2 bubblesort_#t~pre5#1 := bubblesort_~b~0#1 - 1;bubblesort_~b~0#1 := bubblesort_~b~0#1 - 1;havoc bubblesort_#t~pre5#1; 2908#L20-3 [2022-11-02 21:05:42,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:42,536 INFO L85 PathProgramCache]: Analyzing trace with hash 543853042, now seen corresponding path program 4 times [2022-11-02 21:05:42,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:42,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055346922] [2022-11-02 21:05:42,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:42,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:42,549 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:42,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [101167052] [2022-11-02 21:05:42,550 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-02 21:05:42,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:42,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:42,552 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:42,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (98)] Waiting until timeout for monitored process [2022-11-02 21:05:42,719 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-02 21:05:42,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:05:42,719 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:42,775 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:42,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:42,776 INFO L85 PathProgramCache]: Analyzing trace with hash 3789515, now seen corresponding path program 6 times [2022-11-02 21:05:42,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:42,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846588329] [2022-11-02 21:05:42,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:42,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:42,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:42,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:05:42,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:05:42,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1937505340, now seen corresponding path program 5 times [2022-11-02 21:05:42,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:05:42,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680622221] [2022-11-02 21:05:42,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:05:42,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:05:42,811 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-02 21:05:42,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1715042045] [2022-11-02 21:05:42,813 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-02 21:05:42,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:05:42,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:05:42,815 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:05:42,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30115906-b149-447c-a6e2-dbc7a1f1ae26/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (99)] Waiting until timeout for monitored process [2022-11-02 21:05:43,148 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2022-11-02 21:05:43,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is sat [2022-11-02 21:05:43,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:05:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:05:43,212 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:06:04,820 WARN L234 SmtUtils]: Spent 21.47s on a formula simplification. DAG size of input: 350 DAG size of output: 292 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-02 21:06:53,109 WARN L234 SmtUtils]: Spent 42.59s on a formula simplification that was a NOOP. DAG size: 275 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-02 21:06:53,114 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:06:53,114 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:06:53,114 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:06:53,114 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:06:53,114 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:06:53,114 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:06:53,115 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:06:53,115 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:06:53,115 INFO L133 ssoRankerPreferences]: Filename of dumped script: bubble_sort-1.c_Iteration17_Lasso [2022-11-02 21:06:53,115 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:06:53,115 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:06:53,316 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:06:53,318 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:06:53,320 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:06:53,329 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:06:53,331 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:06:53,333 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:06:53,335 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:06:53,337 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:06:53,341 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:06:53,343 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:06:53,345 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:06:53,347 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:06:53,349 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true