./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/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_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3c4d1f74b81dbb287c4425592070f3cc0de08845db85b6da85a8a6e68f14746e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:12:15,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:12:15,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:12:15,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:12:15,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:12:15,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:12:15,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:12:15,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:12:15,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:12:15,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:12:15,069 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:12:15,071 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:12:15,071 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:12:15,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:12:15,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:12:15,078 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:12:15,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:12:15,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:12:15,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:12:15,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:12:15,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:12:15,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:12:15,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:12:15,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:12:15,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:12:15,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:12:15,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:12:15,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:12:15,107 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:12:15,108 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:12:15,109 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:12:15,110 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:12:15,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:12:15,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:12:15,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:12:15,116 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:12:15,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:12:15,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:12:15,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:12:15,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:12:15,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:12:15,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 11:12:15,174 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:12:15,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:12:15,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:12:15,178 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:12:15,179 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:12:15,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:12:15,180 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:12:15,180 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:12:15,181 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:12:15,181 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:12:15,182 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:12:15,183 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:12:15,183 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:12:15,183 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:12:15,184 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:12:15,184 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:12:15,184 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:12:15,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:12:15,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:12:15,185 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:12:15,186 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:12:15,186 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:12:15,186 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:12:15,186 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:12:15,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:12:15,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:12:15,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:12:15,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:12:15,191 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:12:15,191 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_e52360a7-7be8-439a-b864-e32cd6d8257b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c4d1f74b81dbb287c4425592070f3cc0de08845db85b6da85a8a6e68f14746e [2022-11-16 11:12:15,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:12:15,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:12:15,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:12:15,558 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:12:15,559 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:12:15,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2022-11-16 11:12:15,637 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/data/1b50bf092/cb8757376e1b477ea56d803b1426b5bc/FLAGaa6ea511b [2022-11-16 11:12:16,231 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:12:16,232 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2022-11-16 11:12:16,254 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/data/1b50bf092/cb8757376e1b477ea56d803b1426b5bc/FLAGaa6ea511b [2022-11-16 11:12:16,500 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/data/1b50bf092/cb8757376e1b477ea56d803b1426b5bc [2022-11-16 11:12:16,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:12:16,507 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:12:16,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:16,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:12:16,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:12:16,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:16" (1/1) ... [2022-11-16 11:12:16,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39383405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:16, skipping insertion in model container [2022-11-16 11:12:16,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:12:16" (1/1) ... [2022-11-16 11:12:16,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:12:16,594 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:12:16,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:16,948 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:12:17,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:12:17,034 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:12:17,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:17 WrapperNode [2022-11-16 11:12:17,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:12:17,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:17,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:12:17,037 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:12:17,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:17" (1/1) ... [2022-11-16 11:12:17,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:17" (1/1) ... [2022-11-16 11:12:17,092 INFO L138 Inliner]: procedures = 152, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2022-11-16 11:12:17,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:12:17,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:12:17,093 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:12:17,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:12:17,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:17" (1/1) ... [2022-11-16 11:12:17,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:17" (1/1) ... [2022-11-16 11:12:17,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:17" (1/1) ... [2022-11-16 11:12:17,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:17" (1/1) ... [2022-11-16 11:12:17,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:17" (1/1) ... [2022-11-16 11:12:17,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:17" (1/1) ... [2022-11-16 11:12:17,111 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:17" (1/1) ... [2022-11-16 11:12:17,112 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:17" (1/1) ... [2022-11-16 11:12:17,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:12:17,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:12:17,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:12:17,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:12:17,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:17" (1/1) ... [2022-11-16 11:12:17,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:17,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:17,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:17,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:12:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:12:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:12:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:12:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:12:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:12:17,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:12:17,287 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:12:17,289 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:12:17,450 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:12:17,455 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:12:17,456 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:12:17,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:17 BoogieIcfgContainer [2022-11-16 11:12:17,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:12:17,459 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:12:17,459 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:12:17,462 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:12:17,463 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:12:17,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:12:16" (1/3) ... [2022-11-16 11:12:17,471 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a9a2c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:12:17, skipping insertion in model container [2022-11-16 11:12:17,472 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:12:17,487 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:12:17" (2/3) ... [2022-11-16 11:12:17,487 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2a9a2c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:12:17, skipping insertion in model container [2022-11-16 11:12:17,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:12:17,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:17" (3/3) ... [2022-11-16 11:12:17,489 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrncpy_reverse_alloca.i [2022-11-16 11:12:17,576 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:12:17,589 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:12:17,589 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:12:17,589 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:12:17,589 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:12:17,589 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:12:17,590 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:12:17,590 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:12:17,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 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 11:12:17,615 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 11:12:17,615 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:12:17,616 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:12:17,628 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 11:12:17,628 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:12:17,628 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:12:17,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 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 11:12:17,635 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-16 11:12:17,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:12:17,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:12:17,636 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-16 11:12:17,636 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:12:17,642 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; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet211#1, main_#t~nondet212#1, main_#t~malloc213#1.base, main_#t~malloc213#1.offset, main_#t~malloc214#1.base, main_#t~malloc214#1.offset, main_#t~ret215#1.base, main_#t~ret215#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet211#1;havoc main_#t~nondet211#1;main_~n~0#1 := main_#t~nondet212#1;havoc main_#t~nondet212#1; 11#L385true assume !(main_~length~0#1 < 1); 6#L385-2true assume !(main_~n~0#1 < 1); 5#L388-1true call main_#t~malloc213#1.base, main_#t~malloc213#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 18446744073709551616);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc213#1.base, main_#t~malloc213#1.offset;call main_#t~malloc214#1.base, main_#t~malloc214#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc214#1.base, main_#t~malloc214#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, 1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + (main_~n~0#1 - 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset, cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post205#1, cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset, cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset, cstrncpy_#t~mem208#1, cstrncpy_#t~post210#1.base, cstrncpy_#t~post210#1.offset, cstrncpy_#t~post209#1, cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset, cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset, cstrncpy_~n#1, cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset, cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset, cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset, cstrncpy_~n2~0#1;cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset := cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset;cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset := cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset;havoc cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;havoc cstrncpy_~n2~0#1; 14#L370-2true [2022-11-16 11:12:17,643 INFO L750 eck$LassoCheckResult]: Loop: 14#L370-2true assume !!(cstrncpy_~n#1 > 0);cstrncpy_#t~post205#1 := cstrncpy_~n#1;cstrncpy_~n#1 := cstrncpy_#t~post205#1 - 1;havoc cstrncpy_#t~post205#1;cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset - 1;cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset := cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset - 1;call cstrncpy_#t~mem208#1 := read~int(cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset, 1);call write~int(cstrncpy_#t~mem208#1, cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset, 1); 13#L372true assume !(0 == cstrncpy_#t~mem208#1);havoc cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset;havoc cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset;havoc cstrncpy_#t~mem208#1; 14#L370-2true [2022-11-16 11:12:17,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:17,649 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-16 11:12:17,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:17,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227055002] [2022-11-16 11:12:17,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:17,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:17,860 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:12:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:17,925 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:12:17,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:17,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1747, now seen corresponding path program 1 times [2022-11-16 11:12:17,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:17,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594847577] [2022-11-16 11:12:17,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:17,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:17,972 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:12:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:18,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:12:18,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:18,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935768, now seen corresponding path program 1 times [2022-11-16 11:12:18,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:18,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878171029] [2022-11-16 11:12:18,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:18,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:18,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:12:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:18,237 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:12:19,393 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:12:19,394 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:12:19,394 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:12:19,395 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:12:19,395 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:12:19,395 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:19,395 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:12:19,395 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:12:19,396 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy_reverse_alloca.i_Iteration1_Lasso [2022-11-16 11:12:19,396 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:12:19,397 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:12:19,426 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:19,437 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:19,440 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:19,444 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:19,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:19,452 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:19,456 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:19,460 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:19,464 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:19,468 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:19,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:19,480 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:19,484 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:20,656 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:20,660 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:20,663 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:20,667 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:20,671 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:20,674 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:20,682 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:20,686 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:20,689 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:21,518 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:12:21,523 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:12:21,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:21,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:21,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:21,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:12:21,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:21,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:21,559 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:21,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:21,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:21,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:21,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:21,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:21,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:21,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:21,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:21,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:21,600 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:21,611 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 11:12:21,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:12:21,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:21,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:21,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:21,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:21,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:21,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:21,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:21,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:21,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:21,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:21,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:21,645 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:21,657 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:21,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:21,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:21,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:21,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:21,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:21,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:21,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:21,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:12:21,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:21,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:21,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:21,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:21,701 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:21,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 11:12:21,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:21,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:21,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:21,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:21,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:21,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:21,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:21,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:21,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:21,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:21,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:21,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:21,737 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:21,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 11:12:21,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:21,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:21,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:21,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:21,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:21,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:21,770 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:21,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:21,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:21,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:21,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:21,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:21,793 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:21,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 11:12:21,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:21,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:21,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:21,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:21,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:21,813 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:12:21,813 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:12:21,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:21,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:21,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:21,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:21,835 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:21,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:21,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 11:12:21,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:21,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:21,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:21,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:21,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:21,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:21,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:21,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:21,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:21,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:21,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:21,880 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:21,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:21,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 11:12:21,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:21,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:21,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:21,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:21,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:21,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:21,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:21,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:21,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:21,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:21,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:21,921 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:21,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 11:12:21,927 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:21,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:21,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:21,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:21,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:21,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:21,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:21,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:21,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:21,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:21,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:21,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:21,973 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:21,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 11:12:21,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:22,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:22,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:22,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:22,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:22,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:22,005 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:22,005 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:22,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:22,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:22,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:22,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:22,033 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:22,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 11:12:22,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:22,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:22,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:22,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:22,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:22,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:22,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:22,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:22,063 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:22,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:22,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:22,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:22,069 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:22,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 11:12:22,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:22,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:22,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:22,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:22,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:22,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:12:22,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:12:22,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:22,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:22,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:22,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:22,105 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:22,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 11:12:22,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:22,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:22,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:22,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:22,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:22,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:12:22,147 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:12:22,165 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:12:22,213 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-11-16 11:12:22,214 INFO L444 ModelExtractionUtils]: 7 out of 31 variables were initially zero. Simplification set additionally 21 variables to zero. [2022-11-16 11:12:22,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:22,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:22,217 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:22,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 11:12:22,272 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:12:22,303 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-16 11:12:22,303 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:12:22,304 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~src~0#1.offset, v_rep(select #length ULTIMATE.start_main_~nondetString~0#1.base)_1) = 2*ULTIMATE.start_cstrncpy_~src~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString~0#1.base)_1 Supporting invariants [] [2022-11-16 11:12:22,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-11-16 11:12:22,406 INFO L156 tatePredicateManager]: 12 out of 14 supporting invariants were superfluous and have been removed [2022-11-16 11:12:22,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:22,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-16 11:12:22,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:12:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:22,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-16 11:12:22,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:12:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:12:22,617 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 11:12:22,619 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:12:22,684 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 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). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 27 states and 37 transitions. Complement of second has 6 states. [2022-11-16 11:12:22,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-16 11:12:22,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:12:22,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2022-11-16 11:12:22,695 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-16 11:12:22,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:12:22,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-16 11:12:22,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:12:22,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-16 11:12:22,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:12:22,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 37 transitions. [2022-11-16 11:12:22,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 11:12:22,708 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 11 states and 14 transitions. [2022-11-16 11:12:22,709 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-11-16 11:12:22,709 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-16 11:12:22,710 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2022-11-16 11:12:22,710 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:22,710 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-16 11:12:22,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2022-11-16 11:12:22,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2022-11-16 11:12:22,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:12:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2022-11-16 11:12:22,737 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-16 11:12:22,738 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-16 11:12:22,738 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:12:22,738 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2022-11-16 11:12:22,739 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 11:12:22,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:12:22,739 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:12:22,740 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:12:22,740 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:12:22,740 INFO L748 eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 150#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet211#1, main_#t~nondet212#1, main_#t~malloc213#1.base, main_#t~malloc213#1.offset, main_#t~malloc214#1.base, main_#t~malloc214#1.offset, main_#t~ret215#1.base, main_#t~ret215#1.offset, main_~length~0#1, main_~n~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;main_~length~0#1 := main_#t~nondet211#1;havoc main_#t~nondet211#1;main_~n~0#1 := main_#t~nondet212#1;havoc main_#t~nondet212#1; 154#L385 assume !(main_~length~0#1 < 1); 153#L385-2 assume !(main_~n~0#1 < 1); 151#L388-1 call main_#t~malloc213#1.base, main_#t~malloc213#1.offset := #Ultimate.allocOnStack(main_~n~0#1 % 18446744073709551616);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc213#1.base, main_#t~malloc213#1.offset;call main_#t~malloc214#1.base, main_#t~malloc214#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc214#1.base, main_#t~malloc214#1.offset;call write~int(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, 1);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length~0#1 - 1);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset + (main_~n~0#1 - 1);assume { :begin_inline_cstrncpy } true;cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset, cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset, cstrncpy_#in~n#1 := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset, main_~n~0#1;havoc cstrncpy_#res#1.base, cstrncpy_#res#1.offset;havoc cstrncpy_#t~post205#1, cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset, cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset, cstrncpy_#t~mem208#1, cstrncpy_#t~post210#1.base, cstrncpy_#t~post210#1.offset, cstrncpy_#t~post209#1, cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset, cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset, cstrncpy_~n#1, cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset, cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset, cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset, cstrncpy_~n2~0#1;cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset := cstrncpy_#in~s1#1.base, cstrncpy_#in~s1#1.offset;cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset := cstrncpy_#in~s2#1.base, cstrncpy_#in~s2#1.offset;cstrncpy_~n#1 := cstrncpy_#in~n#1;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_~s1#1.base, cstrncpy_~s1#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_~s2#1.base, cstrncpy_~s2#1.offset;havoc cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;havoc cstrncpy_~n2~0#1; 152#L370-2 assume !!(cstrncpy_~n#1 > 0);cstrncpy_#t~post205#1 := cstrncpy_~n#1;cstrncpy_~n#1 := cstrncpy_#t~post205#1 - 1;havoc cstrncpy_#t~post205#1;cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset := cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset - 1;cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset := cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset;cstrncpy_~src~0#1.base, cstrncpy_~src~0#1.offset := cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset - 1;call cstrncpy_#t~mem208#1 := read~int(cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset, 1);call write~int(cstrncpy_#t~mem208#1, cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset, 1); 155#L372 assume 0 == cstrncpy_#t~mem208#1;havoc cstrncpy_#t~post206#1.base, cstrncpy_#t~post206#1.offset;havoc cstrncpy_#t~post207#1.base, cstrncpy_#t~post207#1.offset;havoc cstrncpy_#t~mem208#1;cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset := cstrncpy_~dst~0#1.base, cstrncpy_~dst~0#1.offset;cstrncpy_~n2~0#1 := cstrncpy_~n#1; 147#L375-3 [2022-11-16 11:12:22,740 INFO L750 eck$LassoCheckResult]: Loop: 147#L375-3 cstrncpy_#t~post209#1 := cstrncpy_~n2~0#1;cstrncpy_~n2~0#1 := cstrncpy_#t~post209#1 - 1; 148#L375-1 assume !!(0 != cstrncpy_#t~post209#1);havoc cstrncpy_#t~post209#1;cstrncpy_#t~post210#1.base, cstrncpy_#t~post210#1.offset := cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset;cstrncpy_~us~0#1.base, cstrncpy_~us~0#1.offset := cstrncpy_#t~post210#1.base, cstrncpy_#t~post210#1.offset - 1;call write~int(0, cstrncpy_#t~post210#1.base, cstrncpy_#t~post210#1.offset, 1);havoc cstrncpy_#t~post210#1.base, cstrncpy_#t~post210#1.offset; 147#L375-3 [2022-11-16 11:12:22,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:22,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935753, now seen corresponding path program 1 times [2022-11-16 11:12:22,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:22,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028535303] [2022-11-16 11:12:22,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:22,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:22,793 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:12:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:22,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:12:22,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:22,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1990, now seen corresponding path program 1 times [2022-11-16 11:12:22,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:22,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468643820] [2022-11-16 11:12:22,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:22,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:22,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:22,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:12:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:22,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:12:22,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:22,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1298472078, now seen corresponding path program 1 times [2022-11-16 11:12:22,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:12:22,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527331869] [2022-11-16 11:12:22,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:12:22,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:12:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:22,909 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:12:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:12:22,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:12:23,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:24,601 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:12:24,601 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:12:24,601 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:12:24,602 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:12:24,602 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:12:24,602 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:24,602 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:12:24,602 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:12:24,602 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrncpy_reverse_alloca.i_Iteration2_Lasso [2022-11-16 11:12:24,602 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:12:24,602 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:12:24,612 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:24,622 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:24,626 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:24,629 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:24,633 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:24,637 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:24,640 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:25,509 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:25,513 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:25,517 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:25,520 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:25,523 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:25,529 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:25,532 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:25,534 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:25,537 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:25,540 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:25,542 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:25,544 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:25,547 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:12:26,257 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:12:26,257 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:12:26,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,261 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:26,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:26,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:26,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:26,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:26,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 11:12:26,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:26,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:26,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,297 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 11:12:26,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:26,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:26,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:26,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:26,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:26,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:26,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:26,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,333 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 11:12:26,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:26,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:26,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:26,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:26,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:26,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:26,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:26,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,370 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 11:12:26,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:26,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:26,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:26,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,386 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:26,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:26,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:26,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:26,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,392 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 11:12:26,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:26,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:26,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:26,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:26,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:26,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:26,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:26,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,415 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:26,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 11:12:26,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,430 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:26,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:26,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:26,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:26,433 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:26,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:26,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,437 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 11:12:26,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:26,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:26,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:26,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:26,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:26,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:26,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2022-11-16 11:12:26,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,456 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 11:12:26,459 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 11:12:26,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:26,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,471 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:12:26,471 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:12:26,495 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:26,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:26,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,500 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:26,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:26,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 11:12:26,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:12:26,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:12:26,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:26,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:26,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,556 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:26,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:26,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 11:12:26,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:12:26,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:12:26,586 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:26,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:26,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,591 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:26,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 11:12:26,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:12:26,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:26,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:12:26,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:12:26,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:26,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:26,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,634 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:26,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 11:12:26,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:26,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:12:26,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:12:26,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:26,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:26,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,680 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 11:12:26,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:26,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,700 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:26,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,711 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:12:26,711 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:12:26,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:26,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:26,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,740 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:26,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:12:26,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 11:12:26,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:12:26,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:12:26,779 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:12:26,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:26,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:26,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:26,784 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:26,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:12:26,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 11:12:26,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:12:26,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:12:26,805 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-16 11:12:26,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:12:26,840 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-16 11:12:26,840 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-16 11:12:26,934 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:12:27,317 INFO L443 ModelExtractionUtils]: Simplification made 48 calls to the SMT solver. [2022-11-16 11:12:27,318 INFO L444 ModelExtractionUtils]: 19 out of 71 variables were initially zero. Simplification set additionally 49 variables to zero. [2022-11-16 11:12:27,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:12:27,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:12:27,319 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:12:27,323 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:12:27,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 11:12:27,395 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 4. [2022-11-16 11:12:27,395 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:12:27,395 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrncpy_~us~0#1.offset) = 2*ULTIMATE.start_cstrncpy_~us~0#1.offset + 1 Supporting invariants [] [2022-11-16 11:12:27,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:27,488 INFO L156 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2022-11-16 11:12:27,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:12:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:27,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:12:27,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:12:27,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:12:27,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 11:12:27,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:12:27,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:12:27,566 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-16 11:12:27,566 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:12:27,577 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 12 states and 16 transitions. Complement of second has 4 states. [2022-11-16 11:12:27,578 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 11:12:27,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:12:27,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2022-11-16 11:12:27,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-16 11:12:27,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:12:27,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 2 letters. [2022-11-16 11:12:27,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:12:27,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-16 11:12:27,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:12:27,582 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. [2022-11-16 11:12:27,584 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:12:27,585 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2022-11-16 11:12:27,586 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:12:27,586 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:12:27,586 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:12:27,586 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:12:27,586 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:12:27,586 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:12:27,586 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:12:27,587 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 11:12:27,587 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:12:27,587 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:12:27,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:12:27,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:12:27 BoogieIcfgContainer [2022-11-16 11:12:27,597 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:12:27,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:12:27,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:12:27,599 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:12:27,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:12:17" (3/4) ... [2022-11-16 11:12:27,605 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:12:27,605 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:12:27,606 INFO L158 Benchmark]: Toolchain (without parser) took 11098.51ms. Allocated memory was 102.8MB in the beginning and 157.3MB in the end (delta: 54.5MB). Free memory was 57.3MB in the beginning and 112.2MB in the end (delta: -54.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:12:27,607 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:12:27,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.71ms. Allocated memory is still 102.8MB. Free memory was 57.0MB in the beginning and 67.9MB in the end (delta: -10.9MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-11-16 11:12:27,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.38ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 66.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:12:27,617 INFO L158 Benchmark]: Boogie Preprocessor took 21.08ms. Allocated memory is still 102.8MB. Free memory was 65.8MB in the beginning and 64.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:12:27,617 INFO L158 Benchmark]: RCFGBuilder took 342.99ms. Allocated memory is still 102.8MB. Free memory was 64.5MB in the beginning and 51.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:12:27,619 INFO L158 Benchmark]: BuchiAutomizer took 10138.58ms. Allocated memory was 102.8MB in the beginning and 157.3MB in the end (delta: 54.5MB). Free memory was 51.6MB in the beginning and 113.3MB in the end (delta: -61.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:12:27,619 INFO L158 Benchmark]: Witness Printer took 6.95ms. Allocated memory is still 157.3MB. Free memory was 113.3MB in the beginning and 112.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:12:27,621 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 102.8MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.71ms. Allocated memory is still 102.8MB. Free memory was 57.0MB in the beginning and 67.9MB in the end (delta: -10.9MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.38ms. Allocated memory is still 102.8MB. Free memory was 67.9MB in the beginning and 66.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.08ms. Allocated memory is still 102.8MB. Free memory was 65.8MB in the beginning and 64.5MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 342.99ms. Allocated memory is still 102.8MB. Free memory was 64.5MB in the beginning and 51.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 10138.58ms. Allocated memory was 102.8MB in the beginning and 157.3MB in the end (delta: 54.5MB). Free memory was 51.6MB in the beginning and 113.3MB in the end (delta: -61.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.95ms. Allocated memory is still 157.3MB. Free memory was 113.3MB in the beginning and 112.2MB in the end (delta: 1.0MB). 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 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * src + unknown-#length-unknown[nondetString] and consists of 4 locations. One deterministic module has affine ranking function 2 * us + 1 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 9.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 24 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital252 mio100 ax100 hnf100 lsp97 ukn91 mio100 lsp36 div144 bol100 ite100 ukn100 eq175 hnf91 smp75 dnf116 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 612ms VariablesStem: 15 VariablesLoop: 8 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 11:12:27,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-16 11:12:27,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e52360a7-7be8-439a-b864-e32cd6d8257b/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE