./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.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_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/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_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/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_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/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 c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:44:55,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:44:55,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 07:44:55,575 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:44:55,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:44:55,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:44:55,615 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:44:55,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:44:55,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:44:55,621 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:44:55,622 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:44:55,622 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:44:55,623 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:44:55,624 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:44:55,625 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:44:55,625 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:44:55,625 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:44:55,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:44:55,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:44:55,627 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:44:55,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:44:55,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:44:55,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:44:55,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:44:55,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:44:55,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:44:55,631 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:44:55,631 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:44:55,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:44:55,632 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:44:55,633 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:44:55,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:44:55,634 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:44:55,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:44:55,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:44:55,635 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:44:55,635 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_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 [2023-11-19 07:44:55,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:44:55,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:44:55,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:44:55,962 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:44:55,963 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:44:55,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2023-11-19 07:44:59,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:44:59,563 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:44:59,564 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2023-11-19 07:44:59,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/bin/uautomizer-verify-uCwYo4JHxu/data/5bfb23410/a62e7b379fce4e23ad0e7122ef4b3807/FLAG6dd5ada8d [2023-11-19 07:44:59,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/bin/uautomizer-verify-uCwYo4JHxu/data/5bfb23410/a62e7b379fce4e23ad0e7122ef4b3807 [2023-11-19 07:44:59,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:44:59,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:44:59,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:44:59,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:44:59,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:44:59,636 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:59" (1/1) ... [2023-11-19 07:44:59,637 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a28f997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:44:59, skipping insertion in model container [2023-11-19 07:44:59,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:44:59" (1/1) ... [2023-11-19 07:44:59,775 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:45:00,717 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:00,746 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:45:00,756 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/ctm.ok1.i","-S") [42] [2023-11-19 07:45:01,095 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:01,160 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:45:01,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:01 WrapperNode [2023-11-19 07:45:01,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:45:01,162 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:45:01,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:45:01,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:45:01,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:01" (1/1) ... [2023-11-19 07:45:01,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:01" (1/1) ... [2023-11-19 07:45:13,834 INFO L138 Inliner]: procedures = 99, calls = 2728, calls flagged for inlining = 345, calls inlined = 8161, statements flattened = 400890 [2023-11-19 07:45:13,834 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:45:13,835 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:45:13,835 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:45:13,836 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:45:13,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:01" (1/1) ... [2023-11-19 07:45:13,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:01" (1/1) ... [2023-11-19 07:45:16,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:01" (1/1) ... [2023-11-19 07:45:16,925 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:01" (1/1) ... [2023-11-19 07:45:22,497 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:01" (1/1) ... [2023-11-19 07:45:24,127 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:01" (1/1) ... [2023-11-19 07:45:24,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:01" (1/1) ... [2023-11-19 07:45:25,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:01" (1/1) ... [2023-11-19 07:45:27,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:45:27,869 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:45:27,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:45:27,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:45:27,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:01" (1/1) ... [2023-11-19 07:45:27,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:45:27,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:27,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:45:27,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ef168d9-0ef7-4839-8f15-ee64fe03dbcb/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:45:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:45:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:45:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:45:28,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:45:28,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:45:28,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:45:28,784 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:45:28,787 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation