./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a --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 cdfe8cdf5ef6acb015ae980f200d66be6855e21e0a93c803bebabec43209e961 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 17:30:16,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:30:16,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:30:16,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:30:16,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:30:16,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:30:16,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:30:16,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:30:16,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:30:16,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:30:16,210 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:30:16,212 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:30:16,213 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:30:16,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:30:16,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:30:16,221 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:30:16,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:30:16,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:30:16,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:30:16,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:30:16,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:30:16,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:30:16,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:30:16,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:30:16,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:30:16,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:30:16,249 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:30:16,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:30:16,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:30:16,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:30:16,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:30:16,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:30:16,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:30:16,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:30:16,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:30:16,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:30:16,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:30:16,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:30:16,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:30:16,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:30:16,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:30:16,262 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 17:30:16,299 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:30:16,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:30:16,300 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:30:16,300 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:30:16,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:30:16,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:30:16,302 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:30:16,302 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 17:30:16,302 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 17:30:16,303 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 17:30:16,304 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 17:30:16,304 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 17:30:16,304 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 17:30:16,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:30:16,304 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 17:30:16,305 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 17:30:16,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:30:16,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 17:30:16,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:30:16,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 17:30:16,306 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 17:30:16,306 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 17:30:16,306 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 17:30:16,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:30:16,306 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 17:30:16,307 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:30:16,307 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 17:30:16,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:30:16,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:30:16,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:30:16,308 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:30:16,310 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 17:30:16,310 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_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdfe8cdf5ef6acb015ae980f200d66be6855e21e0a93c803bebabec43209e961 [2022-11-21 17:30:16,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:30:16,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:30:16,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:30:16,665 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:30:16,665 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:30:16,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2022-11-21 17:30:19,811 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:30:20,287 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:30:20,288 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2022-11-21 17:30:20,318 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/data/cc0acf5e9/e64fe082edaf4a54a62a38386eb5fbbb/FLAG986cf7372 [2022-11-21 17:30:20,336 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/data/cc0acf5e9/e64fe082edaf4a54a62a38386eb5fbbb [2022-11-21 17:30:20,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:30:20,340 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:30:20,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:30:20,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:30:20,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:30:20,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:30:20" (1/1) ... [2022-11-21 17:30:20,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f2901b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:20, skipping insertion in model container [2022-11-21 17:30:20,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:30:20" (1/1) ... [2022-11-21 17:30:20,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:30:20,454 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:30:20,636 WARN L237 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_329259c8-35ac-43ed-b553-b3f9e8070812/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c[1871,1884] [2022-11-21 17:30:21,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:30:21,361 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:30:21,381 WARN L237 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_329259c8-35ac-43ed-b553-b3f9e8070812/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c[1871,1884] [2022-11-21 17:30:21,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:30:21,610 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:30:21,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:21 WrapperNode [2022-11-21 17:30:21,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:30:21,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:30:21,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:30:21,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:30:21,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:21" (1/1) ... [2022-11-21 17:30:21,676 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:21" (1/1) ... [2022-11-21 17:30:28,653 INFO L138 Inliner]: procedures = 99, calls = 2724, calls flagged for inlining = 341, calls inlined = 8021, statements flattened = 384975 [2022-11-21 17:30:28,654 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:30:28,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:30:28,654 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:30:28,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:30:28,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:21" (1/1) ... [2022-11-21 17:30:28,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:21" (1/1) ... [2022-11-21 17:30:30,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:21" (1/1) ... [2022-11-21 17:30:30,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:21" (1/1) ... [2022-11-21 17:30:32,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:21" (1/1) ... [2022-11-21 17:30:34,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:21" (1/1) ... [2022-11-21 17:30:35,364 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:21" (1/1) ... [2022-11-21 17:30:35,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:21" (1/1) ... [2022-11-21 17:30:36,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:30:36,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:30:36,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:30:36,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:30:36,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:21" (1/1) ... [2022-11-21 17:30:36,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 17:30:36,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:30:36,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 17:30:36,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 17:30:36,877 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 17:30:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 17:30:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 17:30:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 17:30:36,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:30:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:30:37,730 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:30:37,732 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:36:26,766 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:36:27,112 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:36:27,112 INFO L300 CfgBuilder]: Removed 28 assume(true) statements. [2022-11-21 17:36:27,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:36:27 BoogieIcfgContainer [2022-11-21 17:36:27,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:36:27,196 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 17:36:27,197 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 17:36:27,201 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 17:36:27,201 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:36:27,202 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 05:30:20" (1/3) ... [2022-11-21 17:36:27,203 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f03597e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 05:36:27, skipping insertion in model container [2022-11-21 17:36:27,203 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:36:27,203 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:30:21" (2/3) ... [2022-11-21 17:36:27,204 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f03597e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 05:36:27, skipping insertion in model container [2022-11-21 17:36:27,204 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 17:36:27,204 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:36:27" (3/3) ... [2022-11-21 17:36:27,205 INFO L332 chiAutomizerObserver]: Analyzing ICFG rekh_ctm.2-1.c [2022-11-21 17:36:29,203 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 17:36:29,203 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 17:36:29,203 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 17:36:29,203 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 17:36:29,203 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 17:36:29,203 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 17:36:29,203 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 17:36:29,204 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 17:36:29,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 110568 states, 110567 states have (on average 1.7038989933705355) internal successors, (188395), 110567 states have internal predecessors, (188395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:36:31,550 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 17:36:31,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 17:36:31,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 05:36:31 BoogieIcfgContainer [2022-11-21 17:36:31,557 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 17:36:31,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:36:31,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:36:31,558 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:36:31,559 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:36:27" (3/4) ... [2022-11-21 17:36:31,562 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:36:31,562 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:36:31,564 INFO L158 Benchmark]: Toolchain (without parser) took 371222.88ms. Allocated memory was 195.0MB in the beginning and 12.0GB in the end (delta: 11.8GB). Free memory was 144.0MB in the beginning and 9.3GB in the end (delta: -9.1GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2022-11-21 17:36:31,565 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:36:31,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1268.20ms. Allocated memory is still 195.0MB. Free memory was 144.0MB in the beginning and 96.2MB in the end (delta: 47.8MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. [2022-11-21 17:36:31,567 INFO L158 Benchmark]: Boogie Procedure Inliner took 7041.67ms. Allocated memory was 195.0MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 96.2MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 775.4MB. Max. memory is 16.1GB. [2022-11-21 17:36:31,568 INFO L158 Benchmark]: Boogie Preprocessor took 8121.90ms. Allocated memory was 4.6GB in the beginning and 9.2GB in the end (delta: 4.6GB). Free memory was 4.0GB in the beginning and 7.9GB in the end (delta: -3.9GB). Peak memory consumption was 946.9MB. Max. memory is 16.1GB. [2022-11-21 17:36:31,570 INFO L158 Benchmark]: RCFGBuilder took 350417.25ms. Allocated memory was 9.2GB in the beginning and 12.0GB in the end (delta: 2.8GB). Free memory was 7.9GB in the beginning and 9.4GB in the end (delta: -1.5GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-11-21 17:36:31,570 INFO L158 Benchmark]: BuchiAutomizer took 4360.30ms. Allocated memory is still 12.0GB. Free memory was 9.4GB in the beginning and 9.3GB in the end (delta: 91.9MB). Peak memory consumption was 494.5MB. Max. memory is 16.1GB. [2022-11-21 17:36:31,571 INFO L158 Benchmark]: Witness Printer took 4.59ms. Allocated memory is still 12.0GB. Free memory is still 9.3GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:36:31,580 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1268.20ms. Allocated memory is still 195.0MB. Free memory was 144.0MB in the beginning and 96.2MB in the end (delta: 47.8MB). Peak memory consumption was 61.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 7041.67ms. Allocated memory was 195.0MB in the beginning and 4.6GB in the end (delta: 4.4GB). Free memory was 96.2MB in the beginning and 4.0GB in the end (delta: -3.9GB). Peak memory consumption was 775.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 8121.90ms. Allocated memory was 4.6GB in the beginning and 9.2GB in the end (delta: 4.6GB). Free memory was 4.0GB in the beginning and 7.9GB in the end (delta: -3.9GB). Peak memory consumption was 946.9MB. Max. memory is 16.1GB. * RCFGBuilder took 350417.25ms. Allocated memory was 9.2GB in the beginning and 12.0GB in the end (delta: 2.8GB). Free memory was 7.9GB in the beginning and 9.4GB in the end (delta: -1.5GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * BuchiAutomizer took 4360.30ms. Allocated memory is still 12.0GB. Free memory was 9.4GB in the beginning and 9.3GB in the end (delta: 91.9MB). Peak memory consumption was 494.5MB. Max. memory is 16.1GB. * Witness Printer took 4.59ms. Allocated memory is still 12.0GB. Free memory is still 9.3GB. 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 Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s 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: 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 InitialAbstractionConstructionTime: 1.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-21 17:36:31,799 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forcibly destroying the process [2022-11-21 17:36:31,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_329259c8-35ac-43ed-b553-b3f9e8070812/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE