./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a 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_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f1ad2d5826e88851ec05294e79547a11a54665f4a2cf6f0e66f9eabed656148f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 21:01:38,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:01:38,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:01:38,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:01:38,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:01:38,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:01:39,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:01:39,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:01:39,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:01:39,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:01:39,019 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:01:39,022 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:01:39,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:01:39,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:01:39,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:01:39,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:01:39,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:01:39,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:01:39,038 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:01:39,039 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:01:39,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:01:39,041 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:01:39,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:01:39,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:01:39,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:01:39,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:01:39,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:01:39,050 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:01:39,051 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:01:39,052 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:01:39,052 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:01:39,053 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:01:39,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:01:39,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:01:39,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:01:39,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:01:39,057 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:01:39,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:01:39,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:01:39,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:01:39,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:01:39,061 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 21:01:39,088 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:01:39,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:01:39,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:01:39,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:01:39,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:01:39,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:01:39,091 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:01:39,092 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 21:01:39,092 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 21:01:39,092 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 21:01:39,093 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 21:01:39,093 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 21:01:39,094 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 21:01:39,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:01:39,094 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:01:39,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:01:39,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:01:39,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 21:01:39,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 21:01:39,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 21:01:39,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:01:39,096 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 21:01:39,096 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:01:39,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 21:01:39,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:01:39,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:01:39,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:01:39,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:01:39,099 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 21:01:39,099 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_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1ad2d5826e88851ec05294e79547a11a54665f4a2cf6f0e66f9eabed656148f [2022-11-02 21:01:39,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:01:39,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:01:39,487 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:01:39,489 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:01:39,490 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:01:39,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i [2022-11-02 21:01:39,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/data/3165620c9/b9c0a8ffbb5c40598b9346db7dec5f86/FLAG52cc378ef [2022-11-02 21:01:40,238 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:01:40,247 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i [2022-11-02 21:01:40,271 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/data/3165620c9/b9c0a8ffbb5c40598b9346db7dec5f86/FLAG52cc378ef [2022-11-02 21:01:40,461 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/data/3165620c9/b9c0a8ffbb5c40598b9346db7dec5f86 [2022-11-02 21:01:40,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:01:40,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:01:40,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:01:40,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:01:40,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:01:40,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:01:40" (1/1) ... [2022-11-02 21:01:40,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488d4b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:40, skipping insertion in model container [2022-11-02 21:01:40,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:01:40" (1/1) ... [2022-11-02 21:01:40,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:01:40,533 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:01:40,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:01:40,911 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:01:40,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:01:40,985 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:01:40,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:40 WrapperNode [2022-11-02 21:01:40,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:01:40,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:01:40,988 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:01:40,988 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:01:40,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:40" (1/1) ... [2022-11-02 21:01:41,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:40" (1/1) ... [2022-11-02 21:01:41,037 INFO L138 Inliner]: procedures = 111, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2022-11-02 21:01:41,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:01:41,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:01:41,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:01:41,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:01:41,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:40" (1/1) ... [2022-11-02 21:01:41,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:40" (1/1) ... [2022-11-02 21:01:41,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:40" (1/1) ... [2022-11-02 21:01:41,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:40" (1/1) ... [2022-11-02 21:01:41,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:40" (1/1) ... [2022-11-02 21:01:41,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:40" (1/1) ... [2022-11-02 21:01:41,067 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:40" (1/1) ... [2022-11-02 21:01:41,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:40" (1/1) ... [2022-11-02 21:01:41,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:01:41,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:01:41,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:01:41,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:01:41,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:40" (1/1) ... [2022-11-02 21:01:41,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:41,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:41,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:41,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 21:01:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:01:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:01:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:01:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:01:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:01:41,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:01:41,298 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:01:41,300 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:01:41,483 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:01:41,490 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:01:41,490 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 21:01:41,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:01:41 BoogieIcfgContainer [2022-11-02 21:01:41,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:01:41,494 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 21:01:41,495 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 21:01:41,499 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 21:01:41,500 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:01:41,501 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 09:01:40" (1/3) ... [2022-11-02 21:01:41,502 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d46b52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:01:41, skipping insertion in model container [2022-11-02 21:01:41,502 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:01:41,502 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:01:40" (2/3) ... [2022-11-02 21:01:41,503 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@d46b52a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 09:01:41, skipping insertion in model container [2022-11-02 21:01:41,503 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 21:01:41,503 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:01:41" (3/3) ... [2022-11-02 21:01:41,505 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca-2.i [2022-11-02 21:01:41,574 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 21:01:41,575 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 21:01:41,575 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 21:01:41,575 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 21:01:41,575 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 21:01:41,576 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 21:01:41,576 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 21:01:41,576 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 21:01:41,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:01:41,606 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-02 21:01:41,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:01:41,607 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:01:41,614 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-02 21:01:41,614 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 21:01:41,615 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 21:01:41,615 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:01:41,617 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-02 21:01:41,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:01:41,618 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:01:41,619 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-11-02 21:01:41,619 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-02 21:01:41,629 INFO L748 eck$LassoCheckResult]: Stem: 4#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~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 7#L570true assume !(main_~length~0#1 < 1); 17#L570-2true assume !(main_~n~1#1 < 1); 6#L573-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 11#L553true assume 0 != cstrlcpy_~n~0#1 % 18446744073709551616; 14#L554-3true [2022-11-02 21:01:41,630 INFO L750 eck$LassoCheckResult]: Loop: 14#L554-3true cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1; 8#L554-1true assume !!(0 != cstrlcpy_#t~pre2#1 % 18446744073709551616);havoc cstrlcpy_#t~pre2#1;cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset := cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_#t~post3#1.base, 1 + cstrlcpy_#t~post3#1.offset;cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post4#1.base, 1 + cstrlcpy_#t~post4#1.offset;call cstrlcpy_#t~mem5#1 := read~int(cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, 1);call write~int(cstrlcpy_#t~mem5#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, 1); 12#L555true assume !(0 == cstrlcpy_#t~mem5#1);havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset;havoc cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset;havoc cstrlcpy_#t~mem5#1; 14#L554-3true [2022-11-02 21:01:41,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:41,638 INFO L85 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2022-11-02 21:01:41,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:01:41,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463458703] [2022-11-02 21:01:41,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:41,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:01:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:01:41,918 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:01:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:01:42,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:01:42,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:42,054 INFO L85 PathProgramCache]: Analyzing trace with hash 52795, now seen corresponding path program 1 times [2022-11-02 21:01:42,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:01:42,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790625397] [2022-11-02 21:01:42,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:42,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:01:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:01:42,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:01:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:01:42,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:01:42,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:42,221 INFO L85 PathProgramCache]: Analyzing trace with hash 1298289360, now seen corresponding path program 1 times [2022-11-02 21:01:42,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:01:42,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104624186] [2022-11-02 21:01:42,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:42,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:01:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:01:42,326 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:01:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:01:42,374 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:01:44,088 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 21:01:44,089 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 21:01:44,089 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 21:01:44,089 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 21:01:44,089 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 21:01:44,090 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:44,090 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 21:01:44,090 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 21:01:44,090 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-2.i_Iteration1_Lasso [2022-11-02 21:01:44,091 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 21:01:44,091 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 21:01:44,118 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:44,130 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:44,133 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:44,138 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:44,141 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:44,146 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:44,149 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:44,152 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:44,155 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:44,159 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:45,423 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:45,427 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:45,431 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:45,434 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:45,437 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:45,440 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:45,445 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:45,448 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:45,451 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:45,456 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 21:01:46,987 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 21:01:46,993 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 21:01:46,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:46,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:47,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:47,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:47,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 21:01:47,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:47,039 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:01:47,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:47,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:47,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:47,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:01:47,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:01:47,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:47,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:47,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:47,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:47,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:47,115 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:47,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 21:01:47,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:47,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:01:47,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:47,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:47,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:47,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:01:47,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:01:47,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:47,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-11-02 21:01:47,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:47,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:47,198 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:47,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 21:01:47,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:47,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:47,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:47,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:47,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:47,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:01:47,235 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:01:47,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:47,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:47,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:47,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:47,296 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:47,305 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:47,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 21:01:47,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:47,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:01:47,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:47,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:47,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:47,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:01:47,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:01:47,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:47,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:47,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:47,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:47,375 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:47,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:47,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 21:01:47,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:47,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:47,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:47,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:47,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:01:47,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:01:47,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:47,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:47,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:47,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:47,465 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:47,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 21:01:47,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:47,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:47,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:01:47,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:47,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:47,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:47,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:01:47,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:01:47,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:47,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:47,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:47,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:47,557 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:47,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 21:01:47,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:47,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:47,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:01:47,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:47,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:47,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:47,587 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:01:47,587 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:01:47,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:47,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:47,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:47,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:47,647 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:47,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:47,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 21:01:47,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:47,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:01:47,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:47,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:47,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:47,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:01:47,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:01:47,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:47,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:47,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:47,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:47,744 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:47,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:47,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 21:01:47,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:47,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:47,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:47,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:47,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:01:47,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:01:47,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:47,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:47,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:47,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:47,820 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:47,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 21:01:47,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:47,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:47,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:47,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:47,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:47,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:01:47,841 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:01:47,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:47,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:47,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:47,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:47,919 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:47,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 21:01:47,931 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:47,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:47,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:47,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:47,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:47,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:01:47,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:01:47,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:48,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:48,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:48,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:48,015 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:48,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 21:01:48,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:48,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:48,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:01:48,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:48,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:48,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:48,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 21:01:48,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:01:48,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:48,075 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:48,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:48,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:48,077 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:48,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 21:01:48,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:48,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:48,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:48,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:48,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:48,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:01:48,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:01:48,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:48,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:48,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:48,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:48,184 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:48,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:48,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-02 21:01:48,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:48,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 21:01:48,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:48,209 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-02 21:01:48,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:48,210 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-02 21:01:48,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 21:01:48,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:48,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-11-02 21:01:48,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:48,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:48,253 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:48,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-02 21:01:48,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:48,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:48,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:48,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:48,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:48,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:01:48,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:01:48,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:48,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:48,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:48,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:48,366 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:48,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:48,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-02 21:01:48,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:48,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:48,393 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:48,393 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:48,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:01:48,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:01:48,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 21:01:48,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:48,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:48,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:48,449 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:48,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-02 21:01:48,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 21:01:48,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 21:01:48,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 21:01:48,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 21:01:48,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 21:01:48,510 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 21:01:48,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 21:01:48,568 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 21:01:48,747 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2022-11-02 21:01:48,747 INFO L444 ModelExtractionUtils]: 50 out of 64 variables were initially zero. Simplification set additionally 11 variables to zero. [2022-11-02 21:01:48,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 21:01:48,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:01:48,752 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 21:01:48,760 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 21:01:48,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-02 21:01:48,790 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-02 21:01:48,791 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 21:01:48,791 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1, ULTIMATE.start_cstrlcpy_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc11#1.base)_1 - 1*ULTIMATE.start_cstrlcpy_~s~0#1.offset Supporting invariants [] [2022-11-02 21:01:48,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:48,967 INFO L156 tatePredicateManager]: 19 out of 20 supporting invariants were superfluous and have been removed [2022-11-02 21:01:49,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:49,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 21:01:49,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:01:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:49,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-02 21:01:49,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:01:49,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:01:49,283 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-02 21:01:49,292 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2022-11-02 21:01:49,418 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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 49 states and 70 transitions. Complement of second has 7 states. [2022-11-02 21:01:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 21:01:49,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 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) [2022-11-02 21:01:49,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2022-11-02 21:01:49,438 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 6 letters. Loop has 3 letters. [2022-11-02 21:01:49,439 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:01:49,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 9 letters. Loop has 3 letters. [2022-11-02 21:01:49,440 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:01:49,440 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 6 letters. Loop has 6 letters. [2022-11-02 21:01:49,441 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 21:01:49,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 70 transitions. [2022-11-02 21:01:49,453 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:01:49,459 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 10 states and 13 transitions. [2022-11-02 21:01:49,460 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-02 21:01:49,460 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-02 21:01:49,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2022-11-02 21:01:49,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:01:49,463 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-02 21:01:49,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2022-11-02 21:01:49,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-11-02 21:01:49,493 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) [2022-11-02 21:01:49,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2022-11-02 21:01:49,495 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-02 21:01:49,495 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-11-02 21:01:49,495 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 21:01:49,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2022-11-02 21:01:49,501 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 21:01:49,501 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 21:01:49,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 21:01:49,502 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:01:49,502 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 21:01:49,504 INFO L748 eck$LassoCheckResult]: Stem: 207#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 208#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 212#L570 assume !(main_~length~0#1 < 1); 213#L570-2 assume !(main_~n~1#1 < 1); 211#L573-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 205#L553 assume !(0 != cstrlcpy_~n~0#1 % 18446744073709551616); 206#L553-1 assume 0 == cstrlcpy_~n~0#1 % 18446744073709551616; 209#L560 assume !(0 != cstrlcpy_~siz#1 % 18446744073709551616); 210#L562-2 [2022-11-02 21:01:49,504 INFO L750 eck$LassoCheckResult]: Loop: 210#L562-2 cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post6#1.base, 1 + cstrlcpy_#t~post6#1.offset;call cstrlcpy_#t~mem7#1 := read~int(cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, 1); 214#L562 assume !!(0 != cstrlcpy_#t~mem7#1);havoc cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset;havoc cstrlcpy_#t~mem7#1; 210#L562-2 [2022-11-02 21:01:49,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:49,512 INFO L85 PathProgramCache]: Analyzing trace with hash 180447461, now seen corresponding path program 1 times [2022-11-02 21:01:49,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:01:49,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893592040] [2022-11-02 21:01:49,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:49,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:01:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:01:49,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:01:49,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:01:49,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893592040] [2022-11-02 21:01:49,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893592040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:01:50,000 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:01:50,000 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:01:50,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139485170] [2022-11-02 21:01:50,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:01:50,007 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-02 21:01:50,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:01:50,008 INFO L85 PathProgramCache]: Analyzing trace with hash 2630, now seen corresponding path program 1 times [2022-11-02 21:01:50,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:01:50,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173517540] [2022-11-02 21:01:50,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:01:50,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:01:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:01:50,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 21:01:50,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-02 21:01:50,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 21:01:50,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 21:01:50,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:01:50,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-02 21:01:50,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-02 21:01:50,103 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:01:50,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:01:50,132 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2022-11-02 21:01:50,132 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2022-11-02 21:01:50,134 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 21:01:50,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2022-11-02 21:01:50,135 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 21:01:50,135 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 21:01:50,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 21:01:50,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 21:01:50,135 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:01:50,135 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:01:50,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-02 21:01:50,137 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:01:50,137 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-02 21:01:50,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 21:01:50,138 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 21:01:50,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 21:01:50,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 09:01:50 BoogieIcfgContainer [2022-11-02 21:01:50,149 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 21:01:50,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 21:01:50,150 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 21:01:50,150 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 21:01:50,151 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:01:41" (3/4) ... [2022-11-02 21:01:50,154 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 21:01:50,155 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 21:01:50,156 INFO L158 Benchmark]: Toolchain (without parser) took 9684.79ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 63.7MB in the beginning and 100.9MB in the end (delta: -37.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:01:50,156 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:01:50,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.85ms. Allocated memory is still 100.7MB. Free memory was 63.5MB in the beginning and 72.0MB in the end (delta: -8.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 21:01:50,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.96ms. Allocated memory is still 100.7MB. Free memory was 72.0MB in the beginning and 70.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:01:50,165 INFO L158 Benchmark]: Boogie Preprocessor took 33.07ms. Allocated memory is still 100.7MB. Free memory was 70.3MB in the beginning and 68.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:01:50,165 INFO L158 Benchmark]: RCFGBuilder took 421.30ms. Allocated memory is still 100.7MB. Free memory was 68.6MB in the beginning and 56.5MB in the end (delta: 12.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-02 21:01:50,166 INFO L158 Benchmark]: BuchiAutomizer took 8654.52ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 56.1MB in the beginning and 100.9MB in the end (delta: -44.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:01:50,166 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 136.3MB. Free memory is still 100.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 21:01:50,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 508.85ms. Allocated memory is still 100.7MB. Free memory was 63.5MB in the beginning and 72.0MB in the end (delta: -8.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.96ms. Allocated memory is still 100.7MB. Free memory was 72.0MB in the beginning and 70.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.07ms. Allocated memory is still 100.7MB. Free memory was 70.3MB in the beginning and 68.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 421.30ms. Allocated memory is still 100.7MB. Free memory was 68.6MB in the beginning and 56.5MB in the end (delta: 12.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 8654.52ms. Allocated memory was 100.7MB in the beginning and 136.3MB in the end (delta: 35.7MB). Free memory was 56.1MB in the beginning and 100.9MB in the end (delta: -44.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 136.3MB. Free memory is still 100.9MB. 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 (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length * sizeof(char))] + -1 * s and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 7.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 29 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 32 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital261 mio100 ax106 hnf100 lsp91 ukn94 mio100 lsp57 div178 bol100 ite100 ukn100 eq169 hnf91 smp66 dnf100 smp100 tf100 neg99 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 21:01:50,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3af8b4a9-7c31-4bb5-820a-4ef18ae29919/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE