./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/invert_string-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/invert_string-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3da85103e65fd13a584e838d8b961878044a0a70e09ad1788e3ca53a404f357 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 10:58:16,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 10:58:16,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 10:58:16,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 10:58:16,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 10:58:16,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 10:58:16,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 10:58:16,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 10:58:16,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 10:58:16,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 10:58:16,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 10:58:16,453 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 10:58:16,453 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 10:58:16,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 10:58:16,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 10:58:16,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 10:58:16,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 10:58:16,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 10:58:16,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 10:58:16,474 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 10:58:16,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 10:58:16,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 10:58:16,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 10:58:16,486 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 10:58:16,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 10:58:16,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 10:58:16,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 10:58:16,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 10:58:16,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 10:58:16,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 10:58:16,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 10:58:16,504 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 10:58:16,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 10:58:16,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 10:58:16,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 10:58:16,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 10:58:16,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 10:58:16,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 10:58:16,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 10:58:16,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 10:58:16,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 10:58:16,519 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 10:58:16,569 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 10:58:16,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 10:58:16,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 10:58:16,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 10:58:16,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 10:58:16,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 10:58:16,573 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 10:58:16,573 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 10:58:16,573 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 10:58:16,573 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 10:58:16,575 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 10:58:16,575 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 10:58:16,575 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 10:58:16,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 10:58:16,576 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 10:58:16,576 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 10:58:16,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 10:58:16,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 10:58:16,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 10:58:16,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 10:58:16,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 10:58:16,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 10:58:16,577 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 10:58:16,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 10:58:16,578 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 10:58:16,578 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 10:58:16,578 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 10:58:16,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 10:58:16,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 10:58:16,579 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 10:58:16,580 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 10:58:16,581 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 10:58:16,581 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_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3da85103e65fd13a584e838d8b961878044a0a70e09ad1788e3ca53a404f357 [2022-11-16 10:58:16,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 10:58:16,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 10:58:16,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 10:58:16,979 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 10:58:16,982 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 10:58:16,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/loops/invert_string-1.c [2022-11-16 10:58:17,067 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/data/2b770baf0/b842da1f40684bbcbf05ddeb9da6a911/FLAG0bc4c2e63 [2022-11-16 10:58:17,554 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 10:58:17,555 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/sv-benchmarks/c/loops/invert_string-1.c [2022-11-16 10:58:17,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/data/2b770baf0/b842da1f40684bbcbf05ddeb9da6a911/FLAG0bc4c2e63 [2022-11-16 10:58:17,941 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/data/2b770baf0/b842da1f40684bbcbf05ddeb9da6a911 [2022-11-16 10:58:17,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 10:58:17,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 10:58:17,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 10:58:17,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 10:58:17,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 10:58:17,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:58:17" (1/1) ... [2022-11-16 10:58:17,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3560d13d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:17, skipping insertion in model container [2022-11-16 10:58:17,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:58:17" (1/1) ... [2022-11-16 10:58:17,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 10:58:17,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 10:58:18,174 WARN L229 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_7a180962-a584-47ed-adac-3a2fd140d194/sv-benchmarks/c/loops/invert_string-1.c[352,365] [2022-11-16 10:58:18,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:58:18,199 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 10:58:18,212 WARN L229 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_7a180962-a584-47ed-adac-3a2fd140d194/sv-benchmarks/c/loops/invert_string-1.c[352,365] [2022-11-16 10:58:18,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 10:58:18,234 INFO L208 MainTranslator]: Completed translation [2022-11-16 10:58:18,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:18 WrapperNode [2022-11-16 10:58:18,235 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 10:58:18,236 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 10:58:18,236 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 10:58:18,237 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 10:58:18,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:18" (1/1) ... [2022-11-16 10:58:18,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:18" (1/1) ... [2022-11-16 10:58:18,272 INFO L138 Inliner]: procedures = 15, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2022-11-16 10:58:18,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 10:58:18,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 10:58:18,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 10:58:18,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 10:58:18,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:18" (1/1) ... [2022-11-16 10:58:18,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:18" (1/1) ... [2022-11-16 10:58:18,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:18" (1/1) ... [2022-11-16 10:58:18,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:18" (1/1) ... [2022-11-16 10:58:18,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:18" (1/1) ... [2022-11-16 10:58:18,296 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:18" (1/1) ... [2022-11-16 10:58:18,297 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:18" (1/1) ... [2022-11-16 10:58:18,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:18" (1/1) ... [2022-11-16 10:58:18,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 10:58:18,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 10:58:18,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 10:58:18,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 10:58:18,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:18" (1/1) ... [2022-11-16 10:58:18,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:18,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:18,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:18,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 10:58:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 10:58:18,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 10:58:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 10:58:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 10:58:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 10:58:18,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 10:58:18,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 10:58:18,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 10:58:18,525 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 10:58:18,527 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 10:58:18,705 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 10:58:18,713 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 10:58:18,714 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 10:58:18,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:58:18 BoogieIcfgContainer [2022-11-16 10:58:18,716 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 10:58:18,717 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 10:58:18,717 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 10:58:18,722 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 10:58:18,723 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:58:18,723 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 10:58:17" (1/3) ... [2022-11-16 10:58:18,725 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3712c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:58:18, skipping insertion in model container [2022-11-16 10:58:18,725 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:58:18,725 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:58:18" (2/3) ... [2022-11-16 10:58:18,725 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3712c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 10:58:18, skipping insertion in model container [2022-11-16 10:58:18,726 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 10:58:18,726 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:58:18" (3/3) ... [2022-11-16 10:58:18,727 INFO L332 chiAutomizerObserver]: Analyzing ICFG invert_string-1.c [2022-11-16 10:58:18,791 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 10:58:18,791 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 10:58:18,792 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 10:58:18,792 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 10:58:18,792 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 10:58:18,792 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 10:58:18,792 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 10:58:18,793 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 10:58:18,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) 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) [2022-11-16 10:58:18,814 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-16 10:58:18,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:58:18,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:58:18,820 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-16 10:58:18,820 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:58:18,820 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 10:58:18,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.4444444444444444) 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) [2022-11-16 10:58:18,823 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 9 [2022-11-16 10:58:18,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:58:18,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:58:18,824 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-16 10:58:18,824 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:58:18,831 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~post9#1, main_#t~post7#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post10#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1; 13#L17true assume !!(main_~MAX~0#1 > 0); 14#L17-2true call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0; 17#L22-3true [2022-11-16 10:58:18,832 INFO L750 eck$LassoCheckResult]: Loop: 17#L22-3true assume !!(main_~i~0#1 < main_~MAX~0#1);call write~int(main_#t~nondet6#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet6#1; 9#L22-2true main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 17#L22-3true [2022-11-16 10:58:18,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:18,838 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-11-16 10:58:18,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:18,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465340808] [2022-11-16 10:58:18,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:18,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:18,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:19,005 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:19,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:19,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-11-16 10:58:19,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:19,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913318372] [2022-11-16 10:58:19,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:19,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:19,023 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:19,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:19,032 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:19,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:19,035 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-11-16 10:58:19,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:19,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532879626] [2022-11-16 10:58:19,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:19,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:19,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:19,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:20,007 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:58:20,008 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:58:20,008 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:58:20,009 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:58:20,009 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:58:20,009 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:20,010 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:58:20,010 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:58:20,010 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-1.c_Iteration1_Lasso [2022-11-16 10:58:20,010 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:58:20,011 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:58:20,044 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,055 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,059 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,063 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,070 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,074 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,077 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,081 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,088 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,091 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,096 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,585 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,589 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,593 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,597 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:20,603 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:21,108 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:58:21,115 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:58:21,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 10:58:21,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:21,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,151 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,151 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:21,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:21,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,182 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 10:58:21,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:21,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:21,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:21,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-16 10:58:21,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,225 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 10:58:21,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:21,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:21,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:21,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,266 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 10:58:21,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,303 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:21,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:21,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,335 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 10:58:21,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,364 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:21,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,365 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:21,365 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:21,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,394 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 10:58:21,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:21,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:21,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:21,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,450 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 10:58:21,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:21,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:21,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:21,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,511 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 10:58:21,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:21,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:21,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,565 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,571 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 10:58:21,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:21,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,587 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,587 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:21,588 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:21,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,609 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 10:58:21,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,641 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:21,641 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:21,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,670 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 10:58:21,674 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:21,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:21,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,724 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 10:58:21,748 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,751 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:21,751 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:21,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,789 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 10:58:21,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,812 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,820 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:21,820 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:21,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,842 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,846 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 10:58:21,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:21,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:21,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,887 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 10:58:21,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,911 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:21,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:21,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:21,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,943 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:21,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 10:58:21,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:21,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:21,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:21,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:21,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:21,968 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:21,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:21,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:21,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:21,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:21,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:21,998 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:22,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 10:58:22,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:22,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:22,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:22,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:22,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:22,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:22,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:22,037 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:22,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:22,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:22,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:22,042 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:22,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:22,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:22,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:22,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:22,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:22,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:22,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:22,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 10:58:22,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:22,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:22,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:22,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:22,085 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:22,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 10:58:22,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:22,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:22,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:22,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:22,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:22,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:22,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:22,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:22,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:22,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-11-16 10:58:22,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:22,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:22,136 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:22,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 10:58:22,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:22,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:22,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:22,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:22,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:22,160 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:22,161 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:22,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:22,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:22,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:22,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:22,187 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:22,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:22,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 10:58:22,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:22,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:22,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:22,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:22,215 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:22,215 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:22,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:22,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:22,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:22,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:22,237 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:22,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:22,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:22,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:22,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:22,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:22,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:22,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:22,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 10:58:22,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:22,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:22,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:22,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:22,284 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:22,291 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:22,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:22,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:22,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:22,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:22,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 10:58:22,314 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:22,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:22,334 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 10:58:22,374 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2022-11-16 10:58:22,374 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-11-16 10:58:22,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:22,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:22,382 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:22,384 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 10:58:22,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 10:58:22,416 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 10:58:22,416 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 10:58:22,417 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~#str1~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1) = -1*ULTIMATE.start_main_~i~0#1 - 1*ULTIMATE.start_main_~#str1~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#str1~0#1.base)_1 Supporting invariants [] [2022-11-16 10:58:22,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:22,504 INFO L156 tatePredicateManager]: 10 out of 10 supporting invariants were superfluous and have been removed [2022-11-16 10:58:22,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:22,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:58:22,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:58:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:22,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 10:58:22,599 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:58:22,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:58:22,676 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 10:58:22,679 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.4444444444444444) 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:22,738 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 18 states have (on average 1.4444444444444444) 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 55 transitions. Complement of second has 8 states. [2022-11-16 10:58:22,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 10:58:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:22,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2022-11-16 10:58:22,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-16 10:58:22,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:22,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 2 letters. [2022-11-16 10:58:22,769 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:22,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 4 letters. Loop has 4 letters. [2022-11-16 10:58:22,770 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:22,772 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 55 transitions. [2022-11-16 10:58:22,776 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-16 10:58:22,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 16 states and 21 transitions. [2022-11-16 10:58:22,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-16 10:58:22,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-16 10:58:22,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2022-11-16 10:58:22,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:58:22,787 INFO L218 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-16 10:58:22,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2022-11-16 10:58:22,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-16 10:58:22,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 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) [2022-11-16 10:58:22,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2022-11-16 10:58:22,820 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-16 10:58:22,820 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-11-16 10:58:22,820 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 10:58:22,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2022-11-16 10:58:22,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2022-11-16 10:58:22,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:58:22,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:58:22,822 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-16 10:58:22,822 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:58:22,823 INFO L748 eck$LassoCheckResult]: Stem: 142#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(18, 2);call #Ultimate.allocInit(12, 3); 143#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~post9#1, main_#t~post7#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post10#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1; 150#L17 assume !!(main_~MAX~0#1 > 0); 154#L17-2 call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0; 155#L22-3 assume !(main_~i~0#1 < main_~MAX~0#1); 146#L22-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (main_~MAX~0#1 - 1), 1);main_~j~0#1 := 0;main_~i~0#1 := main_~MAX~0#1 - 1; 147#L29-3 [2022-11-16 10:58:22,823 INFO L750 eck$LassoCheckResult]: Loop: 147#L29-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem8#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset, 1);call write~int(main_#t~mem8#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 156#L29-2 main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 147#L29-3 [2022-11-16 10:58:22,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:22,825 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-11-16 10:58:22,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:22,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623878012] [2022-11-16 10:58:22,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:22,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:23,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:58:23,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:23,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623878012] [2022-11-16 10:58:23,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623878012] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:23,024 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:23,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:58:23,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989422931] [2022-11-16 10:58:23,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:23,028 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 10:58:23,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:23,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 1 times [2022-11-16 10:58:23,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:23,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279633305] [2022-11-16 10:58:23,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:23,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:23,052 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:23,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:23,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:23,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:23,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 10:58:23,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 10:58:23,159 INFO L87 Difference]: Start difference. First operand 16 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:23,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:23,229 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2022-11-16 10:58:23,230 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 24 transitions. [2022-11-16 10:58:23,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:23,239 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 10:58:23,241 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 20 states and 22 transitions. [2022-11-16 10:58:23,241 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-16 10:58:23,241 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-11-16 10:58:23,242 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 22 transitions. [2022-11-16 10:58:23,242 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:58:23,243 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 22 transitions. [2022-11-16 10:58:23,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 22 transitions. [2022-11-16 10:58:23,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 15. [2022-11-16 10:58:23,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.1333333333333333) internal successors, (17), 14 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) [2022-11-16 10:58:23,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2022-11-16 10:58:23,248 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-16 10:58:23,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 10:58:23,250 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2022-11-16 10:58:23,250 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 10:58:23,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2022-11-16 10:58:23,253 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-16 10:58:23,253 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:58:23,254 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:58:23,255 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:58:23,256 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 10:58:23,256 INFO L748 eck$LassoCheckResult]: Stem: 187#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 188#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~post9#1, main_#t~post7#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post10#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1; 193#L17 assume !!(main_~MAX~0#1 > 0); 198#L17-2 call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0; 199#L22-3 assume !!(main_~i~0#1 < main_~MAX~0#1);call write~int(main_#t~nondet6#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet6#1; 194#L22-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 195#L22-3 assume !(main_~i~0#1 < main_~MAX~0#1); 191#L22-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (main_~MAX~0#1 - 1), 1);main_~j~0#1 := 0;main_~i~0#1 := main_~MAX~0#1 - 1; 192#L29-3 [2022-11-16 10:58:23,256 INFO L750 eck$LassoCheckResult]: Loop: 192#L29-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem8#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset, 1);call write~int(main_#t~mem8#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 200#L29-2 main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 192#L29-3 [2022-11-16 10:58:23,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:23,268 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-11-16 10:58:23,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:23,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090929546] [2022-11-16 10:58:23,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:23,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:23,318 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:23,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:23,365 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:23,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:23,369 INFO L85 PathProgramCache]: Analyzing trace with hash 1955, now seen corresponding path program 2 times [2022-11-16 10:58:23,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:23,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874027501] [2022-11-16 10:58:23,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:23,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:23,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:23,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:23,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:23,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:23,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811567, now seen corresponding path program 1 times [2022-11-16 10:58:23,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:23,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790972042] [2022-11-16 10:58:23,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:23,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:23,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:23,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:23,474 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:24,352 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:58:24,353 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:58:24,353 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:58:24,353 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:58:24,353 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:58:24,353 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:24,353 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:58:24,353 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:58:24,353 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-1.c_Iteration3_Lasso [2022-11-16 10:58:24,353 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:58:24,354 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:58:24,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:24,360 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:24,987 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:24,991 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:24,994 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:24,997 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:25,000 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:25,004 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:25,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:25,010 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:25,013 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:25,019 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:25,022 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:25,025 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:25,029 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:25,603 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:58:25,604 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:58:25,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:25,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:25,605 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:25,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:25,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 10:58:25,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:25,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:25,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:25,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:25,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:25,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:25,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:25,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:25,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:25,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:25,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:25,648 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:25,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:25,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 10:58:25,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:25,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:25,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:25,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:25,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:25,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:25,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:25,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:25,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:25,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:25,697 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:25,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:25,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 10:58:25,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:25,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:25,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:25,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:25,747 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:25,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:25,778 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 10:58:25,821 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-11-16 10:58:25,821 INFO L444 ModelExtractionUtils]: 2 out of 25 variables were initially zero. Simplification set additionally 19 variables to zero. [2022-11-16 10:58:25,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:25,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:25,825 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:25,832 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 10:58:25,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 10:58:25,866 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 10:58:25,866 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 10:58:25,866 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_2, ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~#str2~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~#str2~0#1.base)_2 - 1*ULTIMATE.start_main_~j~0#1 - 1*ULTIMATE.start_main_~#str2~0#1.offset Supporting invariants [] [2022-11-16 10:58:25,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:25,948 INFO L156 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2022-11-16 10:58:25,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:25,994 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:58:25,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:58:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:26,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 10:58:26,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:58:26,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:58:26,049 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 10:58:26,050 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-11-16 10:58:26,070 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 23 transitions. Complement of second has 5 states. [2022-11-16 10:58:26,071 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 [2022-11-16 10:58:26,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2022-11-16 10:58:26,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2022-11-16 10:58:26,074 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 8 letters. Loop has 2 letters. [2022-11-16 10:58:26,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:26,074 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 10 letters. Loop has 2 letters. [2022-11-16 10:58:26,074 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:26,074 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 8 letters. Loop has 4 letters. [2022-11-16 10:58:26,075 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:26,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2022-11-16 10:58:26,083 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 10:58:26,085 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 18 states and 21 transitions. [2022-11-16 10:58:26,085 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-16 10:58:26,085 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-16 10:58:26,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2022-11-16 10:58:26,086 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 10:58:26,086 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 21 transitions. [2022-11-16 10:58:26,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2022-11-16 10:58:26,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2022-11-16 10:58:26,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 16 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:26,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-11-16 10:58:26,091 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-16 10:58:26,092 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-16 10:58:26,092 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-16 10:58:26,092 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2022-11-16 10:58:26,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 10:58:26,094 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:58:26,094 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:58:26,094 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:58:26,095 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 10:58:26,095 INFO L748 eck$LassoCheckResult]: Stem: 331#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(18, 2);call #Ultimate.allocInit(12, 3); 332#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~post9#1, main_#t~post7#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post10#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1; 337#L17 assume !!(main_~MAX~0#1 > 0); 342#L17-2 call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0; 343#L22-3 assume !!(main_~i~0#1 < main_~MAX~0#1);call write~int(main_#t~nondet6#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet6#1; 338#L22-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 339#L22-3 assume !(main_~i~0#1 < main_~MAX~0#1); 335#L22-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (main_~MAX~0#1 - 1), 1);main_~j~0#1 := 0;main_~i~0#1 := main_~MAX~0#1 - 1; 336#L29-3 assume !(main_~i~0#1 >= 0); 333#L29-4 main_~j~0#1 := main_~MAX~0#1 - 1;main_~i~0#1 := 0; 334#L35-3 [2022-11-16 10:58:26,095 INFO L750 eck$LassoCheckResult]: Loop: 334#L35-3 assume !!(main_~i~0#1 < main_~MAX~0#1);call main_#t~mem11#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem11#1 == main_#t~mem12#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 340#L7 assume !(0 == __VERIFIER_assert_~cond#1); 341#L7-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~j~0#1;main_~j~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; 347#L35-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 334#L35-3 [2022-11-16 10:58:26,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:26,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811625, now seen corresponding path program 1 times [2022-11-16 10:58:26,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:26,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110556524] [2022-11-16 10:58:26,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:26,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:26,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-16 10:58:26,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 10:58:26,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110556524] [2022-11-16 10:58:26,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110556524] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 10:58:26,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 10:58:26,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 10:58:26,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144294403] [2022-11-16 10:58:26,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 10:58:26,216 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-16 10:58:26,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:26,217 INFO L85 PathProgramCache]: Analyzing trace with hash 2315850, now seen corresponding path program 1 times [2022-11-16 10:58:26,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:26,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704987080] [2022-11-16 10:58:26,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:26,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:26,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:26,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:26,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:26,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 10:58:26,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 10:58:26,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 10:58:26,375 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:26,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 10:58:26,418 INFO L93 Difference]: Finished difference Result 17 states and 19 transitions. [2022-11-16 10:58:26,419 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 19 transitions. [2022-11-16 10:58:26,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 10:58:26,420 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 19 transitions. [2022-11-16 10:58:26,420 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2022-11-16 10:58:26,420 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-16 10:58:26,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 19 transitions. [2022-11-16 10:58:26,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-16 10:58:26,420 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-16 10:58:26,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 19 transitions. [2022-11-16 10:58:26,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-16 10:58:26,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 16 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) [2022-11-16 10:58:26,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-16 10:58:26,422 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-16 10:58:26,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 10:58:26,425 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-16 10:58:26,426 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-16 10:58:26,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 19 transitions. [2022-11-16 10:58:26,426 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-16 10:58:26,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 10:58:26,428 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 10:58:26,429 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 10:58:26,430 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-16 10:58:26,430 INFO L748 eck$LassoCheckResult]: Stem: 374#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(18, 2);call #Ultimate.allocInit(12, 3); 375#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet6#1, main_#t~post5#1, main_#t~mem8#1, main_#t~post9#1, main_#t~post7#1, main_#t~mem11#1, main_#t~mem12#1, main_#t~post13#1, main_#t~post10#1, main_~MAX~0#1, main_~#str1~0#1.base, main_~#str1~0#1.offset, main_~#str2~0#1.base, main_~#str2~0#1.offset, main_~cont~0#1, main_~i~0#1, main_~j~0#1;main_~MAX~0#1 := (if main_#t~nondet4#1 % 4294967296 % 4294967296 <= 2147483647 then main_#t~nondet4#1 % 4294967296 % 4294967296 else main_#t~nondet4#1 % 4294967296 % 4294967296 - 4294967296);havoc main_#t~nondet4#1; 380#L17 assume !!(main_~MAX~0#1 > 0); 385#L17-2 call main_~#str1~0#1.base, main_~#str1~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);call main_~#str2~0#1.base, main_~#str2~0#1.offset := #Ultimate.allocOnStack(main_~MAX~0#1);havoc main_~cont~0#1;havoc main_~i~0#1;havoc main_~j~0#1;main_~cont~0#1 := 0;main_~i~0#1 := 0; 386#L22-3 assume !!(main_~i~0#1 < main_~MAX~0#1);call write~int(main_#t~nondet6#1, main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet6#1; 381#L22-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 382#L22-3 assume !(main_~i~0#1 < main_~MAX~0#1); 378#L22-4 call write~int(0, main_~#str1~0#1.base, main_~#str1~0#1.offset + (main_~MAX~0#1 - 1), 1);main_~j~0#1 := 0;main_~i~0#1 := main_~MAX~0#1 - 1; 379#L29-3 assume !!(main_~i~0#1 >= 0);call main_#t~mem8#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset, 1);call write~int(main_#t~mem8#1, main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);havoc main_#t~mem8#1;main_#t~post9#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 389#L29-2 main_#t~post7#1 := main_~i~0#1;main_~i~0#1 := main_#t~post7#1 - 1;havoc main_#t~post7#1; 387#L29-3 assume !(main_~i~0#1 >= 0); 376#L29-4 main_~j~0#1 := main_~MAX~0#1 - 1;main_~i~0#1 := 0; 377#L35-3 [2022-11-16 10:58:26,431 INFO L750 eck$LassoCheckResult]: Loop: 377#L35-3 assume !!(main_~i~0#1 < main_~MAX~0#1);call main_#t~mem11#1 := read~int(main_~#str1~0#1.base, main_~#str1~0#1.offset + main_~i~0#1, 1);call main_#t~mem12#1 := read~int(main_~#str2~0#1.base, main_~#str2~0#1.offset + main_~j~0#1, 1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem11#1 == main_#t~mem12#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 383#L7 assume !(0 == __VERIFIER_assert_~cond#1); 384#L7-2 assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem11#1;havoc main_#t~mem12#1;main_#t~post13#1 := main_~j~0#1;main_~j~0#1 := main_#t~post13#1 - 1;havoc main_#t~post13#1; 390#L35-2 main_#t~post10#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 377#L35-3 [2022-11-16 10:58:26,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:26,431 INFO L85 PathProgramCache]: Analyzing trace with hash -357814151, now seen corresponding path program 1 times [2022-11-16 10:58:26,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:26,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779210128] [2022-11-16 10:58:26,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:26,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:26,463 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:26,478 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:26,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:26,479 INFO L85 PathProgramCache]: Analyzing trace with hash 2315850, now seen corresponding path program 2 times [2022-11-16 10:58:26,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:26,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999474533] [2022-11-16 10:58:26,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:26,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:26,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:26,485 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:26,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:26,491 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:26,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:26,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1607633602, now seen corresponding path program 1 times [2022-11-16 10:58:26,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 10:58:26,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663800147] [2022-11-16 10:58:26,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 10:58:26,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 10:58:26,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:26,510 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 10:58:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 10:58:26,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 10:58:26,641 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:28,023 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 10:58:28,023 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 10:58:28,023 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 10:58:28,023 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 10:58:28,024 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 10:58:28,024 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:28,024 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 10:58:28,024 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 10:58:28,024 INFO L133 ssoRankerPreferences]: Filename of dumped script: invert_string-1.c_Iteration5_Lasso [2022-11-16 10:58:28,024 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 10:58:28,024 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 10:58:28,027 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,032 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,036 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,038 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,041 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,043 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,046 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,049 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,055 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,057 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,826 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,829 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,835 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,838 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,841 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:28,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 10:58:29,281 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 10:58:29,282 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 10:58:29,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,287 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:29,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 10:58:29,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:29,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:29,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:29,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,323 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 10:58:29,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:29,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:29,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-11-16 10:58:29,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,358 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 10:58:29,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,373 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:29,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,374 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:29,374 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:29,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:29,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,404 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,415 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 [2022-11-16 10:58:29,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,427 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:29,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,428 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:29,428 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:29,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 10:58:29,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:29,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,456 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 10:58:29,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:29,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:29,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:29,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-11-16 10:58:29,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,491 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-16 10:58:29,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:29,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,506 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:29,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:29,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-11-16 10:58:29,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,511 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-16 10:58:29,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:29,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:29,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-11-16 10:58:29,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,534 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-16 10:58:29,537 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:29,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:29,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:29,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-11-16 10:58:29,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,554 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-16 10:58:29,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 10:58:29,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,568 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 10:58:29,568 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 10:58:29,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-16 10:58:29,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,591 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-16 10:58:29,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:29,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:29,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-11-16 10:58:29,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,624 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-16 10:58:29,630 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,642 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:29,642 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:29,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-16 10:58:29,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,650 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-16 10:58:29,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:29,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:29,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-11-16 10:58:29,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,673 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-16 10:58:29,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,699 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:29,700 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:29,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:29,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,719 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-16 10:58:29,724 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:29,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:29,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-11-16 10:58:29,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,744 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-16 10:58:29,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:29,760 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:29,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-16 10:58:29,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,780 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-16 10:58:29,794 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,795 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,796 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:29,796 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:29,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-16 10:58:29,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,810 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-16 10:58:29,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:29,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:29,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-16 10:58:29,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,832 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-16 10:58:29,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,846 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,852 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:29,853 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:29,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-16 10:58:29,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,874 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-16 10:58:29,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,889 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:29,889 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:29,893 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-16 10:58:29,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,897 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-16 10:58:29,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:29,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:29,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 10:58:29,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2022-11-16 10:58:29,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,920 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:29,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-16 10:58:29,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 10:58:29,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 10:58:29,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 10:58:29,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 10:58:29,935 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 10:58:29,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 10:58:29,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 10:58:29,959 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 10:58:29,993 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-11-16 10:58:29,993 INFO L444 ModelExtractionUtils]: 5 out of 25 variables were initially zero. Simplification set additionally 16 variables to zero. [2022-11-16 10:58:29,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 10:58:29,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 10:58:29,999 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 10:58:30,003 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 10:58:30,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-16 10:58:30,016 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 10:58:30,016 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 10:58:30,016 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~#str2~0#1.offset) = 2*ULTIMATE.start_main_~j~0#1 + 2*ULTIMATE.start_main_~#str2~0#1.offset + 1 Supporting invariants [] [2022-11-16 10:58:30,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:30,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-16 10:58:30,111 INFO L156 tatePredicateManager]: 15 out of 15 supporting invariants were superfluous and have been removed [2022-11-16 10:58:30,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 10:58:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:30,164 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 10:58:30,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:58:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 10:58:30,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 10:58:30,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 10:58:30,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 10:58:30,253 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-16 10:58:30,253 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:30,268 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 19 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 25 transitions. Complement of second has 6 states. [2022-11-16 10:58:30,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 10:58:30,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 10:58:30,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-11-16 10:58:30,270 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 12 letters. Loop has 4 letters. [2022-11-16 10:58:30,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:30,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 4 letters. [2022-11-16 10:58:30,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:30,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 12 letters. Loop has 8 letters. [2022-11-16 10:58:30,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 10:58:30,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 25 transitions. [2022-11-16 10:58:30,273 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 10:58:30,273 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2022-11-16 10:58:30,273 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 10:58:30,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 10:58:30,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 10:58:30,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 10:58:30,274 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:58:30,274 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:58:30,275 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 10:58:30,275 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-16 10:58:30,275 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 10:58:30,275 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 10:58:30,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 10:58:30,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 10:58:30 BoogieIcfgContainer [2022-11-16 10:58:30,285 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 10:58:30,285 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 10:58:30,286 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 10:58:30,286 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 10:58:30,287 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 10:58:18" (3/4) ... [2022-11-16 10:58:30,290 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 10:58:30,290 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 10:58:30,291 INFO L158 Benchmark]: Toolchain (without parser) took 12344.20ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 107.0MB in the beginning and 169.6MB in the end (delta: -62.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 10:58:30,292 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:58:30,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.88ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 118.6MB in the end (delta: -11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 10:58:30,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.20ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 116.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:58:30,293 INFO L158 Benchmark]: Boogie Preprocessor took 28.03ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 115.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 10:58:30,293 INFO L158 Benchmark]: RCFGBuilder took 414.63ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 103.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 10:58:30,294 INFO L158 Benchmark]: BuchiAutomizer took 11567.63ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 103.3MB in the beginning and 169.6MB in the end (delta: -66.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-11-16 10:58:30,294 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 213.9MB. Free memory is still 169.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 10:58:30,296 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.88ms. Allocated memory is still 142.6MB. Free memory was 106.7MB in the beginning and 118.6MB in the end (delta: -11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.20ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 116.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.03ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 115.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.63ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 103.9MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 11567.63ms. Allocated memory was 142.6MB in the beginning and 213.9MB in the end (delta: 71.3MB). Free memory was 103.3MB in the beginning and 169.6MB in the end (delta: -66.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 213.9MB. Free memory is still 169.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * str1 + -1 * i + unknown-#length-unknown[str1] and consists of 5 locations. One deterministic module has affine ranking function -1 * j + unknown-#length-unknown[str2] + -1 * str2 and consists of 3 locations. One deterministic module has affine ranking function 2 * j + 2 * str2 + 1 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 11.5s and 6 iterations. TraceHistogramMax:1. Analysis of lassos took 10.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 44 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital209 mio100 ax100 hnf100 lsp94 ukn80 mio100 lsp44 div128 bol100 ite100 ukn100 eq167 hnf93 smp87 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 58ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 10:58:30,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a180962-a584-47ed-adac-3a2fd140d194/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE