./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/id_trans.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/id_trans.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G --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 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:31:12,016 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:31:12,018 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:31:12,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:31:12,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:31:12,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:31:12,082 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:31:12,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:31:12,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:31:12,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:31:12,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:31:12,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:31:12,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:31:12,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:31:12,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:31:12,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:31:12,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:31:12,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:31:12,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:31:12,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:31:12,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:31:12,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:31:12,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:31:12,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:31:12,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:31:12,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:31:12,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:31:12,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:31:12,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:31:12,140 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:31:12,140 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:31:12,141 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:31:12,143 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:31:12,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:31:12,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:31:12,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:31:12,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:31:12,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:31:12,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:31:12,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:31:12,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:31:12,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-23 13:31:12,193 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:31:12,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:31:12,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:31:12,194 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:31:12,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:31:12,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:31:12,196 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:31:12,196 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 13:31:12,196 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 13:31:12,196 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 13:31:12,197 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 13:31:12,197 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 13:31:12,198 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 13:31:12,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:31:12,198 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 13:31:12,198 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:31:12,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:31:12,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 13:31:12,199 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:31:12,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 13:31:12,199 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 13:31:12,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 13:31:12,199 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 13:31:12,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:31:12,200 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 13:31:12,200 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:31:12,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 13:31:12,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:31:12,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:31:12,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:31:12,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:31:12,203 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:31:12,204 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 13:31:12,204 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_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aaead44d7f76ddac498383f5d9663622bc4506781697c14d3a4988231066e32 [2021-11-23 13:31:12,524 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:31:12,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:31:12,566 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:31:12,567 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:31:12,568 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:31:12,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/loop-invgen/id_trans.i [2021-11-23 13:31:12,670 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/data/9bad92a90/4323a727c9ae4a8896819b3bffba3fc5/FLAGd67c8d4c1 [2021-11-23 13:31:13,156 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:31:13,157 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/sv-benchmarks/c/loop-invgen/id_trans.i [2021-11-23 13:31:13,164 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/data/9bad92a90/4323a727c9ae4a8896819b3bffba3fc5/FLAGd67c8d4c1 [2021-11-23 13:31:13,526 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/data/9bad92a90/4323a727c9ae4a8896819b3bffba3fc5 [2021-11-23 13:31:13,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:31:13,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:31:13,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:31:13,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:31:13,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:31:13,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:13" (1/1) ... [2021-11-23 13:31:13,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d8f2595 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:13, skipping insertion in model container [2021-11-23 13:31:13,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:13" (1/1) ... [2021-11-23 13:31:13,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:31:13,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:31:13,744 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_96b52c68-136f-4e43-a167-1adc0e1012ef/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2021-11-23 13:31:13,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:31:13,766 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:31:13,779 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_96b52c68-136f-4e43-a167-1adc0e1012ef/sv-benchmarks/c/loop-invgen/id_trans.i[893,906] [2021-11-23 13:31:13,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:31:13,795 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:31:13,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:13 WrapperNode [2021-11-23 13:31:13,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:31:13,797 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:31:13,797 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:31:13,797 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:31:13,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:13" (1/1) ... [2021-11-23 13:31:13,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:13" (1/1) ... [2021-11-23 13:31:13,829 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 61 [2021-11-23 13:31:13,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:31:13,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:31:13,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:31:13,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:31:13,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:13" (1/1) ... [2021-11-23 13:31:13,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:13" (1/1) ... [2021-11-23 13:31:13,840 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:13" (1/1) ... [2021-11-23 13:31:13,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:13" (1/1) ... [2021-11-23 13:31:13,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:13" (1/1) ... [2021-11-23 13:31:13,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:13" (1/1) ... [2021-11-23 13:31:13,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:13" (1/1) ... [2021-11-23 13:31:13,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:31:13,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:31:13,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:31:13,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:31:13,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:13" (1/1) ... [2021-11-23 13:31:13,862 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:31:13,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:31:13,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:31:13,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 13:31:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 13:31:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 13:31:13,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:31:13,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:31:14,030 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:31:14,033 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:31:14,218 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:31:14,224 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:31:14,225 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 13:31:14,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:31:14 BoogieIcfgContainer [2021-11-23 13:31:14,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:31:14,228 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 13:31:14,228 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 13:31:14,246 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 13:31:14,247 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:31:14,247 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:31:13" (1/3) ... [2021-11-23 13:31:14,249 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f8408fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:31:14, skipping insertion in model container [2021-11-23 13:31:14,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:31:14,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:13" (2/3) ... [2021-11-23 13:31:14,250 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f8408fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:31:14, skipping insertion in model container [2021-11-23 13:31:14,250 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:31:14,250 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:31:14" (3/3) ... [2021-11-23 13:31:14,251 INFO L388 chiAutomizerObserver]: Analyzing ICFG id_trans.i [2021-11-23 13:31:14,338 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 13:31:14,338 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 13:31:14,338 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 13:31:14,338 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 13:31:14,339 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 13:31:14,339 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 13:31:14,339 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 13:31:14,339 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 13:31:14,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 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) [2021-11-23 13:31:14,374 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2021-11-23 13:31:14,374 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:31:14,374 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:31:14,381 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 13:31:14,382 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:31:14,382 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 13:31:14,383 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 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) [2021-11-23 13:31:14,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2021-11-23 13:31:14,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:31:14,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:31:14,387 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-23 13:31:14,387 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 13:31:14,394 INFO L791 eck$LassoCheckResult]: Stem: 5#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); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_#t~nondet3#1, main_#t~post4#1, main_~idBitLength~0#1, main_~material_length~0#1, main_~nlen~0#1, main_~j~0#1, main_~k~0#1;havoc main_~idBitLength~0#1;havoc main_~material_length~0#1;havoc main_~nlen~0#1;havoc main_~j~0#1;havoc main_~k~0#1;main_~nlen~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~idBitLength~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~material_length~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 6#L30true assume !!(main_~nlen~0#1 == (if main_~idBitLength~0#1 < 0 && 0 != main_~idBitLength~0#1 % 32 then 1 + main_~idBitLength~0#1 / 32 else main_~idBitLength~0#1 / 32));main_~j~0#1 := 0; 12#L31-3true [2021-11-23 13:31:14,395 INFO L793 eck$LassoCheckResult]: Loop: 12#L31-3true assume !!(main_~j~0#1 < (if main_~idBitLength~0#1 < 0 && 0 != main_~idBitLength~0#1 % 8 then 1 + main_~idBitLength~0#1 / 8 else main_~idBitLength~0#1 / 8) && main_~j~0#1 < main_~material_length~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= main_~j~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 14#L18true assume !(0 == __VERIFIER_assert_~cond#1); 16#L18-2true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~j~0#1 < main_~material_length~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 18#L18-3true assume !(0 == __VERIFIER_assert_~cond#1); 7#L18-5true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 0 <= (if main_~j~0#1 < 0 && 0 != main_~j~0#1 % 4 then 1 + main_~j~0#1 / 4 else main_~j~0#1 / 4) then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 17#L18-6true assume !(0 == __VERIFIER_assert_~cond#1); 10#L18-8true assume { :end_inline___VERIFIER_assert } true;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if (if main_~j~0#1 < 0 && 0 != main_~j~0#1 % 4 then 1 + main_~j~0#1 / 4 else main_~j~0#1 / 4) < main_~nlen~0#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 13#L18-9true assume !(0 == __VERIFIER_assert_~cond#1); 15#L18-11true assume { :end_inline___VERIFIER_assert } true; 21#L31-2true main_#t~post4#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 12#L31-3true [2021-11-23 13:31:14,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:31:14,402 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-23 13:31:14,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:31:14,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604118676] [2021-11-23 13:31:14,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:31:14,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:31:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:31:14,559 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:31:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:31:14,612 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:31:14,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:31:14,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1560846529, now seen corresponding path program 1 times [2021-11-23 13:31:14,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:31:14,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109960430] [2021-11-23 13:31:14,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:31:14,620 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:31:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:31:14,705 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:31:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:31:14,762 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:31:14,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:31:14,764 INFO L85 PathProgramCache]: Analyzing trace with hash 294954018, now seen corresponding path program 1 times [2021-11-23 13:31:14,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:31:14,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802070894] [2021-11-23 13:31:14,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:31:14,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:31:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:31:14,824 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:31:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:31:14,878 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:31:15,580 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:31:15,580 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:31:15,581 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:31:15,581 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:31:15,581 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 13:31:15,582 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:31:15,582 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:31:15,582 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:31:15,583 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2021-11-23 13:31:15,583 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:31:15,583 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:31:15,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:31:15,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:31:15,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:31:15,711 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:31:15,711 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 13:31:15,714 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:31:15,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:31:15,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:31:15,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 13:31:15,731 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:31:15,731 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:31:15,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 13:31:15,796 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:31:15,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:31:15,797 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:31:15,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 13:31:15,804 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 13:31:15,804 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:31:15,961 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 13:31:15,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 13:31:15,972 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:31:15,972 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:31:15,973 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:31:15,973 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:31:15,973 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 13:31:15,973 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:31:15,973 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:31:15,973 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:31:15,973 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_trans.i_Iteration1_Loop [2021-11-23 13:31:15,973 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:31:15,973 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:31:15,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:31:15,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:31:15,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:31:16,105 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:31:16,110 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 13:31:16,111 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:31:16,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:31:16,113 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:31:16,119 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 [2021-11-23 13:31:16,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 13:31:16,130 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:31:16,130 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:31:16,131 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:31:16,131 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:31:16,131 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:31:16,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:31:16,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:31:16,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:31:16,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 13:31:16,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:31:16,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:31:16,195 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:31:16,201 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 [2021-11-23 13:31:16,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:31:16,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:31:16,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:31:16,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:31:16,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:31:16,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:31:16,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:31:16,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 13:31:16,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-23 13:31:16,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 13:31:16,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:31:16,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:31:16,267 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:31:16,273 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 [2021-11-23 13:31:16,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:31:16,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:31:16,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:31:16,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:31:16,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:31:16,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:31:16,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:31:16,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 13:31:16,302 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 13:31:16,312 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-23 13:31:16,312 INFO L444 ModelExtractionUtils]: 3 out of 6 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-23 13:31:16,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:31:16,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:31:16,316 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:31:16,323 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 13:31:16,323 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-23 13:31:16,323 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 13:31:16,324 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nlen~0#1, ULTIMATE.start_main_~j~0#1) = 4*ULTIMATE.start_main_~nlen~0#1 - 1*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2021-11-23 13:31:16,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 13:31:16,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 13:31:16,365 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-23 13:31:16,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:31:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:31:16,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:31:16,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:31:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:31:16,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-23 13:31:16,451 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:31:16,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 13:31:16,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:31:16,918 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-23 13:31:16,919 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 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 2.6) internal successors, (13), 5 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) [2021-11-23 13:31:17,107 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 21 states, 20 states have (on average 1.35) internal successors, (27), 20 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 2.6) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 74 transitions. Complement of second has 9 states. [2021-11-23 13:31:17,108 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 [2021-11-23 13:31:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2021-11-23 13:31:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 52 transitions. [2021-11-23 13:31:17,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 3 letters. Loop has 10 letters. [2021-11-23 13:31:17,141 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:31:17,141 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 13 letters. Loop has 10 letters. [2021-11-23 13:31:17,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:31:17,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 52 transitions. Stem has 3 letters. Loop has 20 letters. [2021-11-23 13:31:17,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:31:17,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 74 transitions. [2021-11-23 13:31:17,148 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 13:31:17,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 0 states and 0 transitions. [2021-11-23 13:31:17,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-23 13:31:17,152 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-23 13:31:17,152 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-23 13:31:17,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:31:17,153 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:31:17,153 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:31:17,153 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:31:17,153 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 13:31:17,153 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-23 13:31:17,154 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 13:31:17,154 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-23 13:31:17,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:31:17 BoogieIcfgContainer [2021-11-23 13:31:17,161 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 13:31:17,161 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:31:17,161 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:31:17,162 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:31:17,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:31:14" (3/4) ... [2021-11-23 13:31:17,165 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 13:31:17,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:31:17,166 INFO L158 Benchmark]: Toolchain (without parser) took 3635.76ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 58.0MB in the beginning and 64.6MB in the end (delta: -6.6MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2021-11-23 13:31:17,167 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory was 43.3MB in the beginning and 43.3MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:31:17,168 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.50ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 57.8MB in the beginning and 106.0MB in the end (delta: -48.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:31:17,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.86ms. Allocated memory is still 130.0MB. Free memory was 106.0MB in the beginning and 104.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:31:17,169 INFO L158 Benchmark]: Boogie Preprocessor took 21.03ms. Allocated memory is still 130.0MB. Free memory was 104.1MB in the beginning and 103.5MB in the end (delta: 613.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 13:31:17,170 INFO L158 Benchmark]: RCFGBuilder took 375.12ms. Allocated memory is still 130.0MB. Free memory was 103.0MB in the beginning and 94.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:31:17,171 INFO L158 Benchmark]: BuchiAutomizer took 2932.75ms. Allocated memory is still 130.0MB. Free memory was 93.7MB in the beginning and 64.6MB in the end (delta: 29.1MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2021-11-23 13:31:17,171 INFO L158 Benchmark]: Witness Printer took 4.11ms. Allocated memory is still 130.0MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:31:17,175 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory was 43.3MB in the beginning and 43.3MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.50ms. Allocated memory was 90.2MB in the beginning and 130.0MB in the end (delta: 39.8MB). Free memory was 57.8MB in the beginning and 106.0MB in the end (delta: -48.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.86ms. Allocated memory is still 130.0MB. Free memory was 106.0MB in the beginning and 104.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.03ms. Allocated memory is still 130.0MB. Free memory was 104.1MB in the beginning and 103.5MB in the end (delta: 613.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.12ms. Allocated memory is still 130.0MB. Free memory was 103.0MB in the beginning and 94.2MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2932.75ms. Allocated memory is still 130.0MB. Free memory was 93.7MB in the beginning and 64.6MB in the end (delta: 29.1MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 4.11ms. Allocated memory is still 130.0MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * j + 4 * nlen and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 16 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp79 ukn100 mio100 lsp100 div404 bol100 ite100 ukn100 eq106 hnf48 smp100 dnf100 smp100 tf104 neg100 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-23 13:31:17,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96b52c68-136f-4e43-a167-1adc0e1012ef/bin/uautomizer-wIGwrQj20G/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