./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 9bd2c7ff 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_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu/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_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:50:08,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:50:08,197 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:50:08,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:50:08,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:50:08,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:50:08,234 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:50:08,234 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:50:08,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:50:08,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:50:08,237 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:50:08,238 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:50:08,238 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:50:08,239 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:50:08,239 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:50:08,240 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:50:08,241 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:50:08,241 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:50:08,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:50:08,242 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:50:08,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:50:08,246 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:50:08,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:50:08,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:50:08,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:50:08,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:50:08,248 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:50:08,248 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:50:08,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:50:08,249 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:50:08,250 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:50:08,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:50:08,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:50:08,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:50:08,252 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:50:08,252 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:50:08,253 INFO L153 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_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdfe8cdf5ef6acb015ae980f200d66be6855e21e0a93c803bebabec43209e961 [2023-11-19 07:50:08,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:50:08,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:50:08,621 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:50:08,622 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:50:08,623 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:50:08,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2023-11-19 07:50:11,796 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:50:12,270 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:50:12,271 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efca065-7803-4cd0-8c4d-645ac8a716b0/sv-benchmarks/c/seq-mthreaded/rekh_ctm.2-1.c [2023-11-19 07:50:12,299 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu/data/7bea1a05c/94f8b81f49fb4dc7bdc08c399490cd9b/FLAG081edaf68 [2023-11-19 07:50:12,316 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu/data/7bea1a05c/94f8b81f49fb4dc7bdc08c399490cd9b [2023-11-19 07:50:12,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:50:12,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:50:12,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:12,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:50:12,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:50:12,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:12" (1/1) ... [2023-11-19 07:50:12,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560dbc72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:12, skipping insertion in model container [2023-11-19 07:50:12,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:12" (1/1) ... [2023-11-19 07:50:12,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:13,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:13,734 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:50:13,747 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.bug2.i","-S") [42] [2023-11-19 07:50:14,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:14,200 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:50:14,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:14 WrapperNode [2023-11-19 07:50:14,201 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:14,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:14,203 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:50:14,203 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:50:14,214 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:14" (1/1) ... [2023-11-19 07:50:14,342 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:14" (1/1) ... [2023-11-19 07:50:28,472 INFO L138 Inliner]: procedures = 99, calls = 2725, calls flagged for inlining = 342, calls inlined = 8049, statements flattened = 395138 [2023-11-19 07:50:28,472 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:28,473 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:50:28,473 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:50:28,473 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:50:28,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:14" (1/1) ... [2023-11-19 07:50:28,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:14" (1/1) ... [2023-11-19 07:50:32,948 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:14" (1/1) ... [2023-11-19 07:50:32,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:14" (1/1) ... [2023-11-19 07:50:38,800 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:14" (1/1) ... [2023-11-19 07:50:41,774 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:14" (1/1) ... [2023-11-19 07:50:42,399 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:14" (1/1) ... [2023-11-19 07:50:42,823 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:14" (1/1) ... [2023-11-19 07:50:45,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:50:45,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:50:45,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:50:45,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:50:45,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:14" (1/1) ... [2023-11-19 07:50:45,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:45,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:45,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:45,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2efca065-7803-4cd0-8c4d-645ac8a716b0/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:50:45,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:50:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:50:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:50:45,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:50:45,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:50:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:50:46,663 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:50:46,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation