./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 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_a3fffa65-fbc3-4b45-b589-8b4abc683232/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fffa65-fbc3-4b45-b589-8b4abc683232/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_a3fffa65-fbc3-4b45-b589-8b4abc683232/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fffa65-fbc3-4b45-b589-8b4abc683232/bin/uautomizer-vX5HgA9Q3a/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fffa65-fbc3-4b45-b589-8b4abc683232/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_a3fffa65-fbc3-4b45-b589-8b4abc683232/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 c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 --- 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 16:09:50,994 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 16:09:50,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 16:09:51,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 16:09:51,025 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 16:09:51,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 16:09:51,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 16:09:51,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 16:09:51,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 16:09:51,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 16:09:51,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 16:09:51,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 16:09:51,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 16:09:51,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 16:09:51,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 16:09:51,054 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 16:09:51,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 16:09:51,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 16:09:51,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 16:09:51,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 16:09:51,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 16:09:51,064 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 16:09:51,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 16:09:51,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 16:09:51,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 16:09:51,079 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 16:09:51,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 16:09:51,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 16:09:51,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 16:09:51,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 16:09:51,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 16:09:51,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 16:09:51,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 16:09:51,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 16:09:51,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 16:09:51,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 16:09:51,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 16:09:51,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 16:09:51,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 16:09:51,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 16:09:51,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 16:09:51,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fffa65-fbc3-4b45-b589-8b4abc683232/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-21 16:09:51,128 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 16:09:51,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 16:09:51,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 16:09:51,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 16:09:51,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 16:09:51,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 16:09:51,135 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 16:09:51,135 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-21 16:09:51,135 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-21 16:09:51,136 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-21 16:09:51,137 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-21 16:09:51,137 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-21 16:09:51,137 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-21 16:09:51,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 16:09:51,137 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 16:09:51,138 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 16:09:51,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 16:09:51,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 16:09:51,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 16:09:51,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-21 16:09:51,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-21 16:09:51,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-21 16:09:51,139 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 16:09:51,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 16:09:51,140 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-21 16:09:51,140 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 16:09:51,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-21 16:09:51,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 16:09:51,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 16:09:51,141 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 16:09:51,141 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 16:09:51,143 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-21 16:09:51,143 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_a3fffa65-fbc3-4b45-b589-8b4abc683232/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fffa65-fbc3-4b45-b589-8b4abc683232/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3ec7c03a28dc415c6db5fadbfd8dcd491b1a493cd1bf88ef12d02131cd13437 [2022-11-21 16:09:51,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 16:09:51,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 16:09:51,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 16:09:51,432 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 16:09:51,432 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 16:09:51,434 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fffa65-fbc3-4b45-b589-8b4abc683232/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2022-11-21 16:09:54,496 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 16:09:54,921 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 16:09:54,922 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fffa65-fbc3-4b45-b589-8b4abc683232/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c [2022-11-21 16:09:54,953 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fffa65-fbc3-4b45-b589-8b4abc683232/bin/uautomizer-vX5HgA9Q3a/data/c5817db27/44635e4a197e466eaf63ba69510e47d8/FLAG965adb3b0 [2022-11-21 16:09:54,971 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fffa65-fbc3-4b45-b589-8b4abc683232/bin/uautomizer-vX5HgA9Q3a/data/c5817db27/44635e4a197e466eaf63ba69510e47d8 [2022-11-21 16:09:54,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 16:09:54,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 16:09:54,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 16:09:54,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 16:09:54,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 16:09:54,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:09:54" (1/1) ... [2022-11-21 16:09:54,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16cd4cc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:54, skipping insertion in model container [2022-11-21 16:09:54,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:09:54" (1/1) ... [2022-11-21 16:09:55,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 16:09:55,098 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 16:09:55,303 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_a3fffa65-fbc3-4b45-b589-8b4abc683232/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c[1868,1881] [2022-11-21 16:09:56,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:09:56,070 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 16:09:56,083 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_a3fffa65-fbc3-4b45-b589-8b4abc683232/sv-benchmarks/c/seq-mthreaded/rekh_ctm.1.c[1868,1881] [2022-11-21 16:09:56,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 16:09:56,359 INFO L208 MainTranslator]: Completed translation [2022-11-21 16:09:56,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:56 WrapperNode [2022-11-21 16:09:56,360 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 16:09:56,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 16:09:56,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 16:09:56,362 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 16:09:56,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:56" (1/1) ... [2022-11-21 16:09:56,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:56" (1/1) ... [2022-11-21 16:10:03,337 INFO L138 Inliner]: procedures = 99, calls = 2727, calls flagged for inlining = 344, calls inlined = 8133, statements flattened = 390583 [2022-11-21 16:10:03,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 16:10:03,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 16:10:03,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 16:10:03,340 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 16:10:03,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:56" (1/1) ... [2022-11-21 16:10:03,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:56" (1/1) ... [2022-11-21 16:10:04,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:56" (1/1) ... [2022-11-21 16:10:04,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:56" (1/1) ... [2022-11-21 16:10:08,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:56" (1/1) ... [2022-11-21 16:10:09,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:56" (1/1) ... [2022-11-21 16:10:10,253 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:56" (1/1) ... [2022-11-21 16:10:11,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:56" (1/1) ... [2022-11-21 16:10:12,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 16:10:12,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 16:10:12,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 16:10:12,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 16:10:12,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:56" (1/1) ... [2022-11-21 16:10:12,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-21 16:10:12,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fffa65-fbc3-4b45-b589-8b4abc683232/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 16:10:12,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fffa65-fbc3-4b45-b589-8b4abc683232/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-21 16:10:12,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fffa65-fbc3-4b45-b589-8b4abc683232/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-21 16:10:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 16:10:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 16:10:12,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 16:10:12,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 16:10:12,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 16:10:12,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 16:10:13,313 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 16:10:13,315 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 16:16:35,728 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 16:16:36,013 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 16:16:36,013 INFO L300 CfgBuilder]: Removed 28 assume(true) statements. [2022-11-21 16:16:36,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:16:36 BoogieIcfgContainer [2022-11-21 16:16:36,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 16:16:36,083 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-21 16:16:36,083 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-21 16:16:36,087 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-21 16:16:36,087 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:16:36,088 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 04:09:54" (1/3) ... [2022-11-21 16:16:36,089 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@375fa109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:16:36, skipping insertion in model container [2022-11-21 16:16:36,089 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:16:36,089 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:09:56" (2/3) ... [2022-11-21 16:16:36,090 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@375fa109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 04:16:36, skipping insertion in model container [2022-11-21 16:16:36,090 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-21 16:16:36,090 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:16:36" (3/3) ... [2022-11-21 16:16:36,091 INFO L332 chiAutomizerObserver]: Analyzing ICFG rekh_ctm.1.c [2022-11-21 16:16:38,273 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-21 16:16:38,274 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-21 16:16:38,274 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-21 16:16:38,274 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-21 16:16:38,274 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-21 16:16:38,274 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-21 16:16:38,274 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-21 16:16:38,275 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-21 16:16:38,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 112208 states, 112207 states have (on average 1.7041628418904347) internal successors, (191219), 112207 states have internal predecessors, (191219), 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 16:16:40,751 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-21 16:16:40,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-21 16:16:40,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 04:16:40 BoogieIcfgContainer [2022-11-21 16:16:40,758 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-21 16:16:40,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 16:16:40,759 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 16:16:40,760 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 16:16:40,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:16:36" (3/4) ... [2022-11-21 16:16:40,763 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 16:16:40,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 16:16:40,766 INFO L158 Benchmark]: Toolchain (without parser) took 405785.99ms. Allocated memory was 130.0MB in the beginning and 12.2GB in the end (delta: 12.1GB). Free memory was 80.5MB in the beginning and 9.6GB in the end (delta: -9.5GB). Peak memory consumption was 2.6GB. Max. memory is 16.1GB. [2022-11-21 16:16:40,767 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:16:40,768 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1376.42ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 80.1MB in the beginning and 121.8MB in the end (delta: -41.6MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. [2022-11-21 16:16:40,769 INFO L158 Benchmark]: Boogie Procedure Inliner took 6976.35ms. Allocated memory was 174.1MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 121.8MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 865.9MB. Max. memory is 16.1GB. [2022-11-21 16:16:40,770 INFO L158 Benchmark]: Boogie Preprocessor took 9045.92ms. Allocated memory was 5.3GB in the beginning and 9.6GB in the end (delta: 4.3GB). Free memory was 4.7GB in the beginning and 8.3GB in the end (delta: -3.7GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2022-11-21 16:16:40,772 INFO L158 Benchmark]: RCFGBuilder took 383695.35ms. Allocated memory was 9.6GB in the beginning and 12.2GB in the end (delta: 2.6GB). Free memory was 8.3GB in the beginning and 9.6GB in the end (delta: -1.3GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2022-11-21 16:16:40,772 INFO L158 Benchmark]: BuchiAutomizer took 4675.35ms. Allocated memory is still 12.2GB. Free memory was 9.6GB in the beginning and 9.6GB in the end (delta: 28.5MB). Peak memory consumption was 523.5MB. Max. memory is 16.1GB. [2022-11-21 16:16:40,773 INFO L158 Benchmark]: Witness Printer took 4.92ms. Allocated memory is still 12.2GB. Free memory is still 9.6GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 16:16:40,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory is still 41.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1376.42ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 80.1MB in the beginning and 121.8MB in the end (delta: -41.6MB). Peak memory consumption was 80.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6976.35ms. Allocated memory was 174.1MB in the beginning and 5.3GB in the end (delta: 5.2GB). Free memory was 121.8MB in the beginning and 4.7GB in the end (delta: -4.5GB). Peak memory consumption was 865.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 9045.92ms. Allocated memory was 5.3GB in the beginning and 9.6GB in the end (delta: 4.3GB). Free memory was 4.7GB in the beginning and 8.3GB in the end (delta: -3.7GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * RCFGBuilder took 383695.35ms. Allocated memory was 9.6GB in the beginning and 12.2GB in the end (delta: 2.6GB). Free memory was 8.3GB in the beginning and 9.6GB in the end (delta: -1.3GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * BuchiAutomizer took 4675.35ms. Allocated memory is still 12.2GB. Free memory was 9.6GB in the beginning and 9.6GB in the end (delta: 28.5MB). Peak memory consumption was 523.5MB. Max. memory is 16.1GB. * Witness Printer took 4.92ms. Allocated memory is still 12.2GB. Free memory is still 9.6GB. 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 4.6s 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: 2.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-21 16:16:41,005 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fffa65-fbc3-4b45-b589-8b4abc683232/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forcibly destroying the process [2022-11-21 16:16:41,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3fffa65-fbc3-4b45-b589-8b4abc683232/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