./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/alt_test.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/alt_test.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD --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 6bafd9f9c248bc8b929fd553117dceb5cafdbf12cfc108f50311933c849ac186 ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 22:46:38,082 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 22:46:38,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 22:46:38,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 22:46:38,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 22:46:38,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 22:46:38,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 22:46:38,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 22:46:38,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 22:46:38,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 22:46:38,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 22:46:38,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 22:46:38,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 22:46:38,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 22:46:38,171 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 22:46:38,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 22:46:38,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 22:46:38,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 22:46:38,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 22:46:38,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 22:46:38,190 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 22:46:38,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 22:46:38,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 22:46:38,196 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 22:46:38,205 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 22:46:38,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 22:46:38,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 22:46:38,208 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 22:46:38,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 22:46:38,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 22:46:38,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 22:46:38,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 22:46:38,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 22:46:38,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 22:46:38,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 22:46:38,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 22:46:38,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 22:46:38,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 22:46:38,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 22:46:38,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 22:46:38,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 22:46:38,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 22:46:38,269 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 22:46:38,270 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 22:46:38,271 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 22:46:38,271 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 22:46:38,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 22:46:38,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 22:46:38,273 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 22:46:38,274 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 22:46:38,274 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 22:46:38,274 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 22:46:38,275 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 22:46:38,275 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 22:46:38,276 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 22:46:38,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 22:46:38,276 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 22:46:38,276 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 22:46:38,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 22:46:38,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 22:46:38,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 22:46:38,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 22:46:38,277 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 22:46:38,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 22:46:38,278 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 22:46:38,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 22:46:38,278 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 22:46:38,278 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 22:46:38,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 22:46:38,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 22:46:38,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 22:46:38,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 22:46:38,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 22:46:38,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 22:46:38,283 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 22:46:38,283 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_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bafd9f9c248bc8b929fd553117dceb5cafdbf12cfc108f50311933c849ac186 [2021-10-28 22:46:38,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 22:46:38,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 22:46:38,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 22:46:38,566 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 22:46:38,566 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 22:46:38,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-regression/alt_test.i [2021-10-28 22:46:38,632 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/data/1db058560/94178fc028304cd2813f7bf4d4fae7b4/FLAG4036efb54 [2021-10-28 22:46:39,289 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 22:46:39,290 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/sv-benchmarks/c/ldv-regression/alt_test.i [2021-10-28 22:46:39,320 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/data/1db058560/94178fc028304cd2813f7bf4d4fae7b4/FLAG4036efb54 [2021-10-28 22:46:39,600 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/data/1db058560/94178fc028304cd2813f7bf4d4fae7b4 [2021-10-28 22:46:39,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 22:46:39,604 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 22:46:39,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 22:46:39,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 22:46:39,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 22:46:39,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:46:39" (1/1) ... [2021-10-28 22:46:39,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73db2891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:39, skipping insertion in model container [2021-10-28 22:46:39,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:46:39" (1/1) ... [2021-10-28 22:46:39,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 22:46:39,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 22:46:39,967 WARN L228 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_042f880a-c4ee-41b4-8e69-a854f3d8df9c/sv-benchmarks/c/ldv-regression/alt_test.i[22285,22298] [2021-10-28 22:46:39,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:46:39,992 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 22:46:40,025 WARN L228 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_042f880a-c4ee-41b4-8e69-a854f3d8df9c/sv-benchmarks/c/ldv-regression/alt_test.i[22285,22298] [2021-10-28 22:46:40,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 22:46:40,064 INFO L208 MainTranslator]: Completed translation [2021-10-28 22:46:40,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:40 WrapperNode [2021-10-28 22:46:40,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 22:46:40,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 22:46:40,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 22:46:40,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 22:46:40,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:40" (1/1) ... [2021-10-28 22:46:40,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:40" (1/1) ... [2021-10-28 22:46:40,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 22:46:40,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 22:46:40,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 22:46:40,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 22:46:40,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:40" (1/1) ... [2021-10-28 22:46:40,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:40" (1/1) ... [2021-10-28 22:46:40,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:40" (1/1) ... [2021-10-28 22:46:40,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:40" (1/1) ... [2021-10-28 22:46:40,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:40" (1/1) ... [2021-10-28 22:46:40,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:40" (1/1) ... [2021-10-28 22:46:40,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:40" (1/1) ... [2021-10-28 22:46:40,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 22:46:40,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 22:46:40,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 22:46:40,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 22:46:40,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:40" (1/1) ... [2021-10-28 22:46:40,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 22:46:40,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 22:46:40,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 22:46:40,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 22:46:40,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 22:46:40,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 22:46:40,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 22:46:40,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 22:46:40,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 22:46:40,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 22:46:40,435 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 22:46:40,435 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-28 22:46:40,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:40 BoogieIcfgContainer [2021-10-28 22:46:40,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 22:46:40,438 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 22:46:40,438 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 22:46:40,441 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 22:46:40,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:46:40,442 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 10:46:39" (1/3) ... [2021-10-28 22:46:40,443 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f5c8821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:46:40, skipping insertion in model container [2021-10-28 22:46:40,443 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:46:40,443 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:40" (2/3) ... [2021-10-28 22:46:40,443 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f5c8821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 10:46:40, skipping insertion in model container [2021-10-28 22:46:40,444 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 22:46:40,444 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:40" (3/3) ... [2021-10-28 22:46:40,445 INFO L389 chiAutomizerObserver]: Analyzing ICFG alt_test.i [2021-10-28 22:46:40,487 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 22:46:40,487 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 22:46:40,487 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 22:46:40,488 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 22:46:40,488 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 22:46:40,488 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 22:46:40,488 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 22:46:40,488 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 22:46:40,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 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) [2021-10-28 22:46:40,520 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 22:46:40,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 22:46:40,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 10:46:40 BoogieIcfgContainer [2021-10-28 22:46:40,524 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 22:46:40,525 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 22:46:40,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 22:46:40,526 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 22:46:40,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:40" (3/4) ... [2021-10-28 22:46:40,530 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 22:46:40,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 22:46:40,532 INFO L168 Benchmark]: Toolchain (without parser) took 926.99 ms. Allocated memory is still 146.8 MB. Free memory was 115.4 MB in the beginning and 95.6 MB in the end (delta: 19.7 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:40,533 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:46:40,533 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.75 ms. Allocated memory is still 146.8 MB. Free memory was 115.4 MB in the beginning and 114.5 MB in the end (delta: 905.2 kB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:40,534 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.03 ms. Allocated memory is still 146.8 MB. Free memory was 114.5 MB in the beginning and 112.8 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:46:40,535 INFO L168 Benchmark]: Boogie Preprocessor took 22.01 ms. Allocated memory is still 146.8 MB. Free memory was 112.8 MB in the beginning and 111.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:40,536 INFO L168 Benchmark]: RCFGBuilder took 308.05 ms. Allocated memory is still 146.8 MB. Free memory was 111.7 MB in the beginning and 101.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:40,537 INFO L168 Benchmark]: BuchiAutomizer took 86.74 ms. Allocated memory is still 146.8 MB. Free memory was 101.2 MB in the beginning and 96.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 22:46:40,537 INFO L168 Benchmark]: Witness Printer took 4.99 ms. Allocated memory is still 146.8 MB. Free memory was 96.2 MB in the beginning and 96.0 MB in the end (delta: 174.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 22:46:40,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 96.5 MB. Free memory is still 51.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 455.75 ms. Allocated memory is still 146.8 MB. Free memory was 115.4 MB in the beginning and 114.5 MB in the end (delta: 905.2 kB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.03 ms. Allocated memory is still 146.8 MB. Free memory was 114.5 MB in the beginning and 112.8 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 22.01 ms. Allocated memory is still 146.8 MB. Free memory was 112.8 MB in the beginning and 111.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 308.05 ms. Allocated memory is still 146.8 MB. Free memory was 111.7 MB in the beginning and 101.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 86.74 ms. Allocated memory is still 146.8 MB. Free memory was 101.2 MB in the beginning and 96.2 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.99 ms. Allocated memory is still 146.8 MB. Free memory was 96.2 MB in the beginning and 96.0 MB in the end (delta: 174.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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! [2021-10-28 22:46:40,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_042f880a-c4ee-41b4-8e69-a854f3d8df9c/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...