./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_c8bded6c-cd88-41f4-8e97-8870432afa7e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_c8bded6c-cd88-41f4-8e97-8870432afa7e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_c8bded6c-cd88-41f4-8e97-8870432afa7e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_c8bded6c-cd88-41f4-8e97-8870432afa7e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_c8bded6c-cd88-41f4-8e97-8870432afa7e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_c8bded6c-cd88-41f4-8e97-8870432afa7e/bin/uautomizer --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 7fcc797b01c451439a0fbdd0a92a219db8b84b69 .............................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 02:02:57,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 02:02:57,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 02:02:57,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 02:02:57,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 02:02:57,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 02:02:57,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 02:02:57,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 02:02:57,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 02:02:57,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 02:02:57,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 02:02:57,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 02:02:57,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 02:02:57,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 02:02:57,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 02:02:57,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 02:02:57,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 02:02:57,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 02:02:57,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 02:02:57,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 02:02:57,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 02:02:57,095 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 02:02:57,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 02:02:57,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 02:02:57,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 02:02:57,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 02:02:57,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 02:02:57,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 02:02:57,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 02:02:57,105 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 02:02:57,105 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 02:02:57,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 02:02:57,106 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 02:02:57,107 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 02:02:57,108 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 02:02:57,108 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 02:02:57,109 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 02:02:57,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 02:02:57,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 02:02:57,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 02:02:57,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 02:02:57,112 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_c8bded6c-cd88-41f4-8e97-8870432afa7e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 02:02:57,140 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 02:02:57,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 02:02:57,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 02:02:57,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 02:02:57,141 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 02:02:57,142 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 02:02:57,142 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 02:02:57,142 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 02:02:57,142 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 02:02:57,142 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 02:02:57,143 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 02:02:57,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 02:02:57,143 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 02:02:57,143 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 02:02:57,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 02:02:57,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 02:02:57,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 02:02:57,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 02:02:57,144 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 02:02:57,144 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 02:02:57,144 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 02:02:57,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 02:02:57,145 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 02:02:57,145 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 02:02:57,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 02:02:57,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 02:02:57,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 02:02:57,146 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 02:02:57,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 02:02:57,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 02:02:57,146 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 02:02:57,147 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 02:02:57,147 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-vcloud-master/worker/run_dir_c8bded6c-cd88-41f4-8e97-8870432afa7e/bin/uautomizer 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 -> 7fcc797b01c451439a0fbdd0a92a219db8b84b69 [2019-11-20 02:02:57,303 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 02:02:57,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 02:02:57,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 02:02:57,325 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 02:02:57,326 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 02:02:57,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_c8bded6c-cd88-41f4-8e97-8870432afa7e/bin/uautomizer/../../sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2019-11-20 02:02:57,398 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c8bded6c-cd88-41f4-8e97-8870432afa7e/bin/uautomizer/data/163ed7a92/01d7ebdc84684bdeba475dd939ac053b/FLAG54b0f2a9a [2019-11-20 02:02:58,032 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 02:02:58,033 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_c8bded6c-cd88-41f4-8e97-8870432afa7e/sv-benchmarks/c/seq-mthreaded/rekcba_ctm.2-1.c [2019-11-20 02:02:58,065 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_c8bded6c-cd88-41f4-8e97-8870432afa7e/bin/uautomizer/data/163ed7a92/01d7ebdc84684bdeba475dd939ac053b/FLAG54b0f2a9a [2019-11-20 02:02:58,207 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_c8bded6c-cd88-41f4-8e97-8870432afa7e/bin/uautomizer/data/163ed7a92/01d7ebdc84684bdeba475dd939ac053b [2019-11-20 02:02:58,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 02:02:58,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 02:02:58,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 02:02:58,218 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 02:02:58,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 02:02:58,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:02:58" (1/1) ... [2019-11-20 02:02:58,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47d5c089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:02:58, skipping insertion in model container [2019-11-20 02:02:58,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 02:02:58" (1/1) ... [2019-11-20 02:02:58,231 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 02:02:58,357 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 02:02:59,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:02:59,543 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 02:02:59,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 02:03:00,116 INFO L192 MainTranslator]: Completed translation [2019-11-20 02:03:00,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:00 WrapperNode [2019-11-20 02:03:00,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 02:03:00,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 02:03:00,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 02:03:00,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 02:03:00,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:00" (1/1) ... [2019-11-20 02:03:00,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:00" (1/1) ... [2019-11-20 02:03:06,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 02:03:06,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 02:03:06,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 02:03:06,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 02:03:06,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:00" (1/1) ... [2019-11-20 02:03:06,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:00" (1/1) ... [2019-11-20 02:03:08,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:00" (1/1) ... [2019-11-20 02:03:08,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:00" (1/1) ... [2019-11-20 02:03:21,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:00" (1/1) ... [2019-11-20 02:03:22,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:00" (1/1) ... [2019-11-20 02:03:23,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:00" (1/1) ... [2019-11-20 02:03:24,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 02:03:24,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 02:03:24,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 02:03:24,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 02:03:24,603 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_c8bded6c-cd88-41f4-8e97-8870432afa7e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 02:03:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 02:03:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 02:03:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 02:03:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 02:03:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 02:03:24,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 02:07:27,381 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 02:07:27,381 INFO L285 CfgBuilder]: Removed 16028 assume(true) statements. [2019-11-20 02:07:27,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:07:27 BoogieIcfgContainer [2019-11-20 02:07:27,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 02:07:27,415 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 02:07:27,415 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 02:07:27,419 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 02:07:27,420 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:07:27,421 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 02:02:58" (1/3) ... [2019-11-20 02:07:27,422 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30cc5ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:07:27, skipping insertion in model container [2019-11-20 02:07:27,422 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:07:27,422 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 02:03:00" (2/3) ... [2019-11-20 02:07:27,422 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30cc5ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 02:07:27, skipping insertion in model container [2019-11-20 02:07:27,422 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 02:07:27,423 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:07:27" (3/3) ... [2019-11-20 02:07:27,424 INFO L371 chiAutomizerObserver]: Analyzing ICFG rekcba_ctm.2-1.c [2019-11-20 02:07:27,475 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 02:07:27,475 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 02:07:27,475 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 02:07:27,475 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 02:07:27,475 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 02:07:27,476 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 02:07:27,476 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 02:07:27,476 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 02:07:28,922 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 111602 states. [2019-11-20 02:07:31,367 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 02:07:31,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 02:07:31,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 02:07:31 BoogieIcfgContainer [2019-11-20 02:07:31,371 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 02:07:31,371 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:07:31,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:07:31,372 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:07:31,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 02:07:27" (3/4) ... [2019-11-20 02:07:31,375 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 02:07:31,375 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:07:31,378 INFO L168 Benchmark]: Toolchain (without parser) took 273165.68 ms. Allocated memory was 1.0 GB in the beginning and 6.4 GB in the end (delta: 5.3 GB). Free memory was 932.6 MB in the beginning and 3.7 GB in the end (delta: -2.7 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2019-11-20 02:07:31,378 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:07:31,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1900.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 932.6 MB in the beginning and 929.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 194.6 MB. Max. memory is 11.5 GB. [2019-11-20 02:07:31,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 6597.52 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 576.7 MB). Free memory was 929.3 MB in the beginning and 464.3 MB in the end (delta: 465.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2019-11-20 02:07:31,381 INFO L168 Benchmark]: Boogie Preprocessor took 17883.91 ms. Allocated memory was 1.8 GB in the beginning and 3.7 GB in the end (delta: 2.0 GB). Free memory was 464.3 MB in the beginning and 1.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2019-11-20 02:07:31,382 INFO L168 Benchmark]: RCFGBuilder took 242813.27 ms. Allocated memory was 3.7 GB in the beginning and 6.5 GB in the end (delta: 2.7 GB). Free memory was 1.9 GB in the beginning and 2.2 GB in the end (delta: -368.0 MB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2019-11-20 02:07:31,383 INFO L168 Benchmark]: BuchiAutomizer took 3955.93 ms. Allocated memory was 6.5 GB in the beginning and 6.4 GB in the end (delta: -89.1 MB). Free memory was 2.2 GB in the beginning and 3.7 GB in the end (delta: -1.4 GB). Peak memory consumption was 779.4 MB. Max. memory is 11.5 GB. [2019-11-20 02:07:31,384 INFO L168 Benchmark]: Witness Printer took 3.90 ms. Allocated memory is still 6.4 GB. Free memory is still 3.7 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:07:31,388 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1900.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 932.6 MB in the beginning and 929.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 194.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 6597.52 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 576.7 MB). Free memory was 929.3 MB in the beginning and 464.3 MB in the end (delta: 465.0 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17883.91 ms. Allocated memory was 1.8 GB in the beginning and 3.7 GB in the end (delta: 2.0 GB). Free memory was 464.3 MB in the beginning and 1.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * RCFGBuilder took 242813.27 ms. Allocated memory was 3.7 GB in the beginning and 6.5 GB in the end (delta: 2.7 GB). Free memory was 1.9 GB in the beginning and 2.2 GB in the end (delta: -368.0 MB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * BuchiAutomizer took 3955.93 ms. Allocated memory was 6.5 GB in the beginning and 6.4 GB in the end (delta: -89.1 MB). Free memory was 2.2 GB in the beginning and 3.7 GB in the end (delta: -1.4 GB). Peak memory consumption was 779.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.90 ms. Allocated memory is still 6.4 GB. Free memory is still 3.7 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...