./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/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_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b38f47c3dcd7731e15cfc2cee00261f352bac0ed4fe94aeeb81a5c76defb252d --- 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 20:42:47,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:42:47,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:42:47,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:42:47,082 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:42:47,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:42:47,087 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:42:47,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:42:47,093 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:42:47,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:42:47,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:42:47,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:42:47,100 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:42:47,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:42:47,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:42:47,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:42:47,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:42:47,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:42:47,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:42:47,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:42:47,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:42:47,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:42:47,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:42:47,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:42:47,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:42:47,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:42:47,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:42:47,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:42:47,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:42:47,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:42:47,144 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:42:47,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:42:47,146 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:42:47,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:42:47,149 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:42:47,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:42:47,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:42:47,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:42:47,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:42:47,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:42:47,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:42:47,164 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:42:47,212 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:42:47,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:42:47,213 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:42:47,213 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:42:47,215 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:42:47,215 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:42:47,215 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:42:47,215 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:42:47,215 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:42:47,216 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:42:47,217 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:42:47,217 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:42:47,217 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:42:47,217 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:42:47,218 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:42:47,218 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:42:47,218 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:42:47,218 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:42:47,218 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:42:47,219 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:42:47,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:42:47,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:42:47,219 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:42:47,221 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:42:47,221 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:42:47,221 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:42:47,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:42:47,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:42:47,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:42:47,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:42:47,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:42:47,224 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:42:47,224 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_c127898f-ed37-4476-baac-10b74602b454/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b38f47c3dcd7731e15cfc2cee00261f352bac0ed4fe94aeeb81a5c76defb252d [2022-11-02 20:42:47,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:42:47,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:42:47,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:42:47,574 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:42:47,575 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:42:47,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2022-11-02 20:42:47,655 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/data/670d7ab75/904dc4e72cfa400aaedda8b9d3e83416/FLAG1777b7c59 [2022-11-02 20:42:48,196 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:42:48,196 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/sv-benchmarks/c/loop-invgen/NetBSD_loop.i [2022-11-02 20:42:48,203 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/data/670d7ab75/904dc4e72cfa400aaedda8b9d3e83416/FLAG1777b7c59 [2022-11-02 20:42:48,527 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/data/670d7ab75/904dc4e72cfa400aaedda8b9d3e83416 [2022-11-02 20:42:48,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:42:48,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:42:48,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:42:48,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:42:48,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:42:48,538 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:42:48" (1/1) ... [2022-11-02 20:42:48,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497992b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:48, skipping insertion in model container [2022-11-02 20:42:48,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:42:48" (1/1) ... [2022-11-02 20:42:48,551 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:42:48,568 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:42:48,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/sv-benchmarks/c/loop-invgen/NetBSD_loop.i[893,906] [2022-11-02 20:42:48,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:42:48,764 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:42:48,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/sv-benchmarks/c/loop-invgen/NetBSD_loop.i[893,906] [2022-11-02 20:42:48,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:42:48,803 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:42:48,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:48 WrapperNode [2022-11-02 20:42:48,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:42:48,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:42:48,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:42:48,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:42:48,813 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:48" (1/1) ... [2022-11-02 20:42:48,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:48" (1/1) ... [2022-11-02 20:42:48,841 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2022-11-02 20:42:48,841 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:42:48,842 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:42:48,842 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:42:48,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:42:48,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:48" (1/1) ... [2022-11-02 20:42:48,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:48" (1/1) ... [2022-11-02 20:42:48,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:48" (1/1) ... [2022-11-02 20:42:48,861 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:48" (1/1) ... [2022-11-02 20:42:48,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:48" (1/1) ... [2022-11-02 20:42:48,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:48" (1/1) ... [2022-11-02 20:42:48,876 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:48" (1/1) ... [2022-11-02 20:42:48,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:48" (1/1) ... [2022-11-02 20:42:48,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:42:48,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:42:48,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:42:48,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:42:48,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:48" (1/1) ... [2022-11-02 20:42:48,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:42:48,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:42:48,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:42:48,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:42:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:42:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:42:48,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:42:48,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:42:49,017 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:42:49,019 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:42:49,124 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:42:49,130 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:42:49,130 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:42:49,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:42:49 BoogieIcfgContainer [2022-11-02 20:42:49,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:42:49,133 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:42:49,133 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:42:49,137 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:42:49,138 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:42:49,138 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:42:48" (1/3) ... [2022-11-02 20:42:49,139 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40abfc2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:42:49, skipping insertion in model container [2022-11-02 20:42:49,139 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:42:49,139 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:42:48" (2/3) ... [2022-11-02 20:42:49,139 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40abfc2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:42:49, skipping insertion in model container [2022-11-02 20:42:49,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:42:49,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:42:49" (3/3) ... [2022-11-02 20:42:49,141 INFO L332 chiAutomizerObserver]: Analyzing ICFG NetBSD_loop.i [2022-11-02 20:42:49,193 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:42:49,193 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:42:49,193 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:42:49,193 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:42:49,193 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:42:49,193 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:42:49,194 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:42:49,194 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:42:49,198 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,215 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-02 20:42:49,216 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:42:49,216 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:42:49,221 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:42:49,222 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:42:49,222 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:42:49,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:49,223 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2022-11-02 20:42:49,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:42:49,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:42:49,224 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-02 20:42:49,224 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-11-02 20:42:49,232 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_~MAXPATHLEN~0#1, main_~pathbuf_off~0#1, main_~bound_off~0#1, main_~glob2_p_off~0#1, main_~glob2_pathbuf_off~0#1, main_~glob2_pathlim_off~0#1;havoc main_~MAXPATHLEN~0#1;havoc main_~pathbuf_off~0#1;havoc main_~bound_off~0#1;havoc main_~glob2_p_off~0#1;havoc main_~glob2_pathbuf_off~0#1;havoc main_~glob2_pathlim_off~0#1;main_~MAXPATHLEN~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 9#L33true assume main_~MAXPATHLEN~0#1 > 0 && main_~MAXPATHLEN~0#1 < 2147483647; 7#L33-1true main_~pathbuf_off~0#1 := 0;main_~bound_off~0#1 := main_~pathbuf_off~0#1 + (1 + main_~MAXPATHLEN~0#1) - 1;main_~glob2_pathbuf_off~0#1 := main_~pathbuf_off~0#1;main_~glob2_pathlim_off~0#1 := main_~bound_off~0#1;main_~glob2_p_off~0#1 := main_~glob2_pathbuf_off~0#1; 5#L38-3true [2022-11-02 20:42:49,232 INFO L750 eck$LassoCheckResult]: Loop: 5#L38-3true assume !!(main_~glob2_p_off~0#1 <= main_~glob2_pathlim_off~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~glob2_p_off~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 13#L18true assume !(0 == __VERIFIER_assert_~cond#1); 14#L18-2true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~glob2_p_off~0#1 < 1 + main_~MAXPATHLEN~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 15#L18-3true assume !(0 == __VERIFIER_assert_~cond#1); 6#L18-5true assume { :end_inline___VERIFIER_assert } true; 12#L38-2true main_#t~post2#1 := main_~glob2_p_off~0#1;main_~glob2_p_off~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5#L38-3true [2022-11-02 20:42:49,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:49,238 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2022-11-02 20:42:49,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:49,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169396100] [2022-11-02 20:42:49,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:49,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:42:49,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:42:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:42:49,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:42:49,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:49,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1397201969, now seen corresponding path program 1 times [2022-11-02 20:42:49,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:49,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127419330] [2022-11-02 20:42:49,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:49,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:42:49,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:42:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:42:49,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:42:49,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:49,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1085479081, now seen corresponding path program 1 times [2022-11-02 20:42:49,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:42:49,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261022624] [2022-11-02 20:42:49,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:42:49,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:42:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:42:49,509 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:42:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:42:49,533 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:42:49,757 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:42:49,758 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:42:49,758 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:42:49,758 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:42:49,759 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:42:49,759 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:42:49,759 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:42:49,759 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:42:49,759 INFO L133 ssoRankerPreferences]: Filename of dumped script: NetBSD_loop.i_Iteration1_Loop [2022-11-02 20:42:49,759 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:42:49,760 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:42:49,776 INFO 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 20:42:49,786 INFO 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 20:42:49,802 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:42:49,894 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:42:49,895 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:42:49,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:42:49,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:42:49,904 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:42:49,912 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:42:49,913 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:42:49,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:42:49,950 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:42:49,951 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:42:49,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:42:49,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:42:49,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:42:49,991 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:42:49,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:42:49,994 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:42:49,995 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:42:50,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:42:50,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:42:50,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:42:50,066 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:42:50,071 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:42:50,071 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:42:50,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:42:50,166 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:42:50,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:42:50,179 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:42:50,179 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:42:50,179 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:42:50,179 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:42:50,180 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:42:50,180 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:42:50,180 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:42:50,180 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:42:50,180 INFO L133 ssoRankerPreferences]: Filename of dumped script: NetBSD_loop.i_Iteration1_Loop [2022-11-02 20:42:50,180 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:42:50,181 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:42:50,182 INFO 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 20:42:50,186 INFO 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 20:42:50,197 INFO 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 20:42:50,260 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:42:50,264 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:42:50,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:42:50,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:42:50,267 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:42:50,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:42:50,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:42:50,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:42:50,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:42:50,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:42:50,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:42:50,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:42:50,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:42:50,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:42:50,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:42:50,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:42:50,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:42:50,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:42:50,359 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:42:50,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:42:50,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:42:50,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:42:50,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:42:50,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:42:50,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:42:50,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:42:50,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:42:50,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:42:50,398 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:42:50,403 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-02 20:42:50,403 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-02 20:42:50,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:42:50,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:42:50,411 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:42:50,417 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:42:50,417 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:42:50,417 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:42:50,418 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~MAXPATHLEN~0#1, ULTIMATE.start_main_~glob2_p_off~0#1) = 2*ULTIMATE.start_main_~MAXPATHLEN~0#1 - 2*ULTIMATE.start_main_~glob2_p_off~0#1 + 1 Supporting invariants [] [2022-11-02 20:42:50,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:42:50,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:42:50,460 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-02 20:42:50,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:42:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:50,536 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:42:50,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:42:50,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:42:50,566 WARN L261 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 20:42:50,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:42:50,693 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 20:42:50,748 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-02 20:42:50,750 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:50,858 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 15 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 54 transitions. Complement of second has 9 states. [2022-11-02 20:42:50,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-02 20:42:50,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:42:50,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 38 transitions. [2022-11-02 20:42:50,870 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 4 letters. Loop has 6 letters. [2022-11-02 20:42:50,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:42:50,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 10 letters. Loop has 6 letters. [2022-11-02 20:42:50,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:42:50,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 38 transitions. Stem has 4 letters. Loop has 12 letters. [2022-11-02 20:42:50,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:42:50,875 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 54 transitions. [2022-11-02 20:42:50,883 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:42:50,886 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 0 states and 0 transitions. [2022-11-02 20:42:50,887 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:42:50,887 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:42:50,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:42:50,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:42:50,888 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:42:50,888 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:42:50,889 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:42:50,889 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:42:50,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:42:50,889 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:42:50,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:42:50,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:42:50 BoogieIcfgContainer [2022-11-02 20:42:50,896 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:42:50,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:42:50,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:42:50,898 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:42:50,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:42:49" (3/4) ... [2022-11-02 20:42:50,929 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:42:50,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:42:50,931 INFO L158 Benchmark]: Toolchain (without parser) took 2399.14ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 68.8MB in the beginning and 99.7MB in the end (delta: -30.8MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2022-11-02 20:42:50,931 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:42:50,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.04ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 68.1MB in the end (delta: 439.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:42:50,938 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.69ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 66.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:42:50,939 INFO L158 Benchmark]: Boogie Preprocessor took 35.91ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 65.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:42:50,940 INFO L158 Benchmark]: RCFGBuilder took 253.24ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 56.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:42:50,940 INFO L158 Benchmark]: BuchiAutomizer took 1763.61ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 56.2MB in the beginning and 51.6MB in the end (delta: 4.6MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2022-11-02 20:42:50,941 INFO L158 Benchmark]: Witness Printer took 31.70ms. Allocated memory is still 123.7MB. Free memory was 51.6MB in the beginning and 99.7MB in the end (delta: -48.0MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2022-11-02 20:42:50,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 63.1MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.04ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 68.1MB in the end (delta: 439.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.69ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 66.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.91ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 65.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 253.24ms. Allocated memory is still 92.3MB. Free memory was 65.4MB in the beginning and 56.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1763.61ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 56.2MB in the beginning and 51.6MB in the end (delta: 4.6MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. * Witness Printer took 31.70ms. Allocated memory is still 123.7MB. Free memory was 51.6MB in the beginning and 99.7MB in the end (delta: -48.0MB). Peak memory consumption was 3.5MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * glob2_p_off + 2 * MAXPATHLEN + 1 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. 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, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 14 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp75 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq133 hnf95 smp100 dnf100 smp100 tf108 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 54ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s 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 20:42:50,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-02 20:42:51,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c127898f-ed37-4476-baac-10b74602b454/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