./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test24-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test24-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF --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 61e163c7079e2ec105ad677de51f27ac7eccc49ef492909c4fa51ebc02ead9b7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:12:17,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:12:17,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:12:17,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:12:17,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:12:17,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:12:17,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:12:17,089 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:12:17,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:12:17,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:12:17,098 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:12:17,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:12:17,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:12:17,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:12:17,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:12:17,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:12:17,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:12:17,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:12:17,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:12:17,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:12:17,128 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:12:17,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:12:17,132 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:12:17,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:12:17,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:12:17,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:12:17,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:12:17,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:12:17,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:12:17,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:12:17,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:12:17,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:12:17,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:12:17,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:12:17,154 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:12:17,154 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:12:17,155 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:12:17,155 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:12:17,156 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:12:17,157 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:12:17,157 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:12:17,158 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 07:12:17,208 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:12:17,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:12:17,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:12:17,209 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:12:17,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:12:17,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:12:17,211 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:12:17,212 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 07:12:17,212 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 07:12:17,212 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 07:12:17,213 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 07:12:17,214 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 07:12:17,214 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 07:12:17,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:12:17,215 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:12:17,215 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:12:17,215 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:12:17,216 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:12:17,216 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:12:17,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 07:12:17,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 07:12:17,217 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 07:12:17,217 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:12:17,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:12:17,217 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 07:12:17,218 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:12:17,219 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 07:12:17,220 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:12:17,220 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:12:17,220 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:12:17,221 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:12:17,221 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 07:12:17,222 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 07:12:17,222 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_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 61e163c7079e2ec105ad677de51f27ac7eccc49ef492909c4fa51ebc02ead9b7 [2021-11-20 07:12:17,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:12:17,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:12:17,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:12:17,517 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:12:17,519 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:12:17,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-regression/test24-1.c [2021-11-20 07:12:17,627 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/data/8270b5726/912eab2f907545f1aa8ac3a507d42ad1/FLAGeebf1d747 [2021-11-20 07:12:18,059 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:12:18,059 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/sv-benchmarks/c/ldv-regression/test24-1.c [2021-11-20 07:12:18,064 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/data/8270b5726/912eab2f907545f1aa8ac3a507d42ad1/FLAGeebf1d747 [2021-11-20 07:12:18,470 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/data/8270b5726/912eab2f907545f1aa8ac3a507d42ad1 [2021-11-20 07:12:18,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:12:18,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:12:18,475 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:12:18,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:12:18,482 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:12:18,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d789c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18, skipping insertion in model container [2021-11-20 07:12:18,484 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:12:18,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:12:18,673 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_a470123d-5005-48d2-be95-a2b399b7caa2/sv-benchmarks/c/ldv-regression/test24-1.c[704,717] [2021-11-20 07:12:18,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:12:18,682 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:12:18,699 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_a470123d-5005-48d2-be95-a2b399b7caa2/sv-benchmarks/c/ldv-regression/test24-1.c[704,717] [2021-11-20 07:12:18,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:12:18,713 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:12:18,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18 WrapperNode [2021-11-20 07:12:18,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:12:18,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:12:18,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:12:18,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:12:18,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,748 INFO L137 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 57 [2021-11-20 07:12:18,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:12:18,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:12:18,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:12:18,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:12:18,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,760 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,766 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:12:18,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:12:18,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:12:18,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:12:18,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (1/1) ... [2021-11-20 07:12:18,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:12:18,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:12:18,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:12:18,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 07:12:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:12:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:12:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:12:18,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:12:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:12:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:12:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:12:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:12:18,950 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:12:18,952 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:12:19,124 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:12:19,130 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:12:19,146 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 07:12:19,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:12:19 BoogieIcfgContainer [2021-11-20 07:12:19,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:12:19,150 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 07:12:19,150 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 07:12:19,153 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 07:12:19,154 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:12:19,154 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 07:12:18" (1/3) ... [2021-11-20 07:12:19,155 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b16072b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:12:19, skipping insertion in model container [2021-11-20 07:12:19,156 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:12:19,156 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:12:18" (2/3) ... [2021-11-20 07:12:19,156 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3b16072b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 07:12:19, skipping insertion in model container [2021-11-20 07:12:19,157 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 07:12:19,157 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:12:19" (3/3) ... [2021-11-20 07:12:19,158 INFO L388 chiAutomizerObserver]: Analyzing ICFG test24-1.c [2021-11-20 07:12:19,211 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 07:12:19,226 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 07:12:19,227 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 07:12:19,227 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 07:12:19,227 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 07:12:19,227 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 07:12:19,227 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 07:12:19,228 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 07:12:19,247 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:12:19,284 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 07:12:19,284 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:12:19,285 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:12:19,290 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:12:19,291 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:12:19,291 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 07:12:19,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 07:12:19,297 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 07:12:19,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 07:12:19,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 07:12:19,297 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 07:12:19,298 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 07:12:19,304 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~mem6#1, main_#t~pre8#1, main_#t~mem7#1, main_#t~ret9#1, main_~#ad1~0#1.base, main_~#ad1~0#1.offset, main_~ad2~0#1.base, main_~ad2~0#1.offset, main_~i~0#1, main_~pa~0#1.base, main_~pa~0#1.offset;call main_~#ad1~0#1.base, main_~#ad1~0#1.offset := #Ultimate.allocOnStack(80);havoc main_~ad2~0#1.base, main_~ad2~0#1.offset;havoc main_~i~0#1;havoc main_~pa~0#1.base, main_~pa~0#1.offset;main_~i~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 11#L23true assume main_~i~0#1 >= 0 && main_~i~0#1 < 10;main_~ad2~0#1.base, main_~ad2~0#1.offset := main_~#ad1~0#1.base, main_~#ad1~0#1.offset;call write~int(main_~i~0#1, main_~#ad1~0#1.base, main_~#ad1~0#1.offset + 8 * main_~i~0#1, 4);main_~pa~0#1.base, main_~pa~0#1.offset := main_~#ad1~0#1.base, main_~#ad1~0#1.offset + 8 * main_~i~0#1;call main_#t~mem6#1 := read~int(main_~ad2~0#1.base, main_~ad2~0#1.offset + 8 * main_~i~0#1, 4);main_~i~0#1 := main_#t~mem6#1 - 10;havoc main_#t~mem6#1; 12#L28-3true [2021-11-20 07:12:19,305 INFO L793 eck$LassoCheckResult]: Loop: 12#L28-3true call main_#t~mem7#1 := read~int(main_~pa~0#1.base, main_~pa~0#1.offset, 4); 10#L28-1true assume !!(main_~i~0#1 < main_#t~mem7#1);havoc main_#t~mem7#1;main_#t~pre8#1 := 1 + main_~i~0#1;main_~i~0#1 := 1 + main_~i~0#1;havoc main_#t~pre8#1; 12#L28-3true [2021-11-20 07:12:19,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:12:19,316 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-11-20 07:12:19,328 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:12:19,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791382405] [2021-11-20 07:12:19,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:12:19,332 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:12:19,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:12:19,471 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:12:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:12:19,544 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:12:19,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:12:19,547 INFO L85 PathProgramCache]: Analyzing trace with hash 1286, now seen corresponding path program 1 times [2021-11-20 07:12:19,549 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:12:19,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146868221] [2021-11-20 07:12:19,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:12:19,549 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:12:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:12:19,563 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:12:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:12:19,576 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:12:19,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:12:19,580 INFO L85 PathProgramCache]: Analyzing trace with hash 28693863, now seen corresponding path program 1 times [2021-11-20 07:12:19,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:12:19,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794010219] [2021-11-20 07:12:19,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:12:19,591 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:12:19,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:12:19,623 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:12:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:12:19,680 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:12:20,377 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 07:12:20,378 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 07:12:20,378 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 07:12:20,378 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 07:12:20,379 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 07:12:20,379 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:12:20,379 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 07:12:20,379 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 07:12:20,379 INFO L133 ssoRankerPreferences]: Filename of dumped script: test24-1.c_Iteration1_Lasso [2021-11-20 07:12:20,380 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 07:12:20,380 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 07:12:20,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:12:20,877 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:12:20,881 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:12:20,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:12:20,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:12:20,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:12:20,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:12:20,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:12:20,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 07:12:21,483 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 07:12:21,487 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 07:12:21,489 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:12:21,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:12:21,495 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:12:21,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 07:12:21,508 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 [2021-11-20 07:12:21,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:12:21,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:12:21,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:12:21,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:12:21,523 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:12:21,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:12:21,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:12:21,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 07:12:21,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:12:21,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:12:21,577 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:12:21,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 07:12:21,583 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 [2021-11-20 07:12:21,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:12:21,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:12:21,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:12:21,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:12:21,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:12:21,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:12:21,616 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:12:21,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 07:12:21,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:12:21,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:12:21,651 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:12:21,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 07:12:21,659 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 [2021-11-20 07:12:21,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:12:21,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:12:21,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:12:21,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:12:21,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:12:21,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:12:21,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:12:21,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 07:12:21,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:12:21,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:12:21,735 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:12:21,744 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 [2021-11-20 07:12:21,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:12:21,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:12:21,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:12:21,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:12:21,758 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:12:21,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:12:21,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 07:12:21,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 07:12:21,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 07:12:21,809 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:12:21,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:12:21,810 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:12:21,817 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 [2021-11-20 07:12:21,827 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 07:12:21,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 07:12:21,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 07:12:21,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 07:12:21,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 07:12:21,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 07:12:21,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 07:12:21,871 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 07:12:21,951 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2021-11-20 07:12:21,952 INFO L444 ModelExtractionUtils]: 10 out of 31 variables were initially zero. Simplification set additionally 18 variables to zero. [2021-11-20 07:12:21,953 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 07:12:21,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 07:12:21,975 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 07:12:21,977 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 07:12:21,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 07:12:22,010 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 07:12:22,011 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 07:12:22,011 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~#ad1~0#1.base) (+ (* (div (+ (* ULTIMATE.start_main_~pa~0#1.offset (- 1)) ULTIMATE.start_main_~#ad1~0#1.offset) (- 8)) 8) ULTIMATE.start_main_~#ad1~0#1.offset))_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~#ad1~0#1.base) (+ (* (div (+ (* ULTIMATE.start_main_~pa~0#1.offset (- 1)) ULTIMATE.start_main_~#ad1~0#1.offset) (- 8)) 8) ULTIMATE.start_main_~#ad1~0#1.offset))_1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-11-20 07:12:22,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 07:12:22,115 INFO L297 tatePredicateManager]: 16 out of 19 supporting invariants were superfluous and have been removed [2021-11-20 07:12:22,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:12:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:22,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 07:12:22,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:12:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:12:22,209 WARN L261 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 07:12:22,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 07:12:22,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:12:22,294 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 07:12:22,295 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-11-20 07:12:22,372 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 32 states and 36 transitions. Complement of second has 8 states. [2021-11-20 07:12:22,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 07:12:22,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-11-20 07:12:22,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2021-11-20 07:12:22,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 3 letters. Loop has 2 letters. [2021-11-20 07:12:22,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:12:22,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-20 07:12:22,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:12:22,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 3 letters. Loop has 4 letters. [2021-11-20 07:12:22,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 07:12:22,383 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 36 transitions. [2021-11-20 07:12:22,386 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:12:22,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 0 states and 0 transitions. [2021-11-20 07:12:22,389 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 07:12:22,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 07:12:22,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 07:12:22,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 07:12:22,390 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:12:22,391 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:12:22,391 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 07:12:22,391 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 07:12:22,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 07:12:22,391 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 07:12:22,391 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 07:12:22,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 07:12:22 BoogieIcfgContainer [2021-11-20 07:12:22,398 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 07:12:22,399 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:12:22,399 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:12:22,399 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:12:22,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:12:19" (3/4) ... [2021-11-20 07:12:22,402 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:12:22,402 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:12:22,403 INFO L158 Benchmark]: Toolchain (without parser) took 3929.75ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 71.7MB in the beginning and 67.9MB in the end (delta: 3.9MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2021-11-20 07:12:22,404 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory was 78.5MB in the beginning and 78.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:12:22,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.17ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 83.0MB in the end (delta: -11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:12:22,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.85ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 81.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:12:22,406 INFO L158 Benchmark]: Boogie Preprocessor took 22.74ms. Allocated memory is still 109.1MB. Free memory was 81.4MB in the beginning and 80.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:12:22,407 INFO L158 Benchmark]: RCFGBuilder took 375.82ms. Allocated memory is still 109.1MB. Free memory was 80.0MB in the beginning and 70.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 07:12:22,408 INFO L158 Benchmark]: BuchiAutomizer took 3248.36ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 70.4MB in the beginning and 67.9MB in the end (delta: 2.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2021-11-20 07:12:22,408 INFO L158 Benchmark]: Witness Printer took 3.95ms. Allocated memory is still 146.8MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:12:22,412 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 109.1MB. Free memory was 78.5MB in the beginning and 78.5MB in the end (delta: 30.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.17ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 83.0MB in the end (delta: -11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.85ms. Allocated memory is still 109.1MB. Free memory was 82.7MB in the beginning and 81.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.74ms. Allocated memory is still 109.1MB. Free memory was 81.4MB in the beginning and 80.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.82ms. Allocated memory is still 109.1MB. Free memory was 80.0MB in the beginning and 70.4MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3248.36ms. Allocated memory was 109.1MB in the beginning and 146.8MB in the end (delta: 37.7MB). Free memory was 70.4MB in the beginning and 67.9MB in the end (delta: 2.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Witness Printer took 3.95ms. Allocated memory is still 146.8MB. Free memory is still 67.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + unknown-#memory_int-unknown[ad1][(pa * -1 + ad1) / -8 * 8 + ad1] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 10 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital200 mio100 ax100 hnf100 lsp97 ukn107 mio100 lsp60 div188 bol100 ite100 ukn100 eq140 hnf56 smp93 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 07:12:22,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 07:12:22,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a470123d-5005-48d2-be95-a2b399b7caa2/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE