./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/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 64bit --witnessprinter.graph.data.programhash 4aab5dc49efb2008f48b80e5d09bedb13ca5cefa ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 19:02:04,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:02:04,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:02:05,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:02:05,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:02:05,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:02:05,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:02:05,024 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:02:05,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:02:05,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:02:05,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:02:05,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:02:05,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:02:05,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:02:05,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:02:05,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:02:05,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:02:05,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:02:05,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:02:05,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:02:05,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:02:05,061 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:02:05,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:02:05,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:02:05,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:02:05,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:02:05,071 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:02:05,072 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:02:05,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:02:05,075 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:02:05,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:02:05,077 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:02:05,078 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:02:05,079 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:02:05,081 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:02:05,082 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:02:05,083 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:02:05,083 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:02:05,083 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:02:05,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:02:05,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:02:05,087 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-29 19:02:05,128 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:02:05,131 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:02:05,133 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:02:05,133 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:02:05,134 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:02:05,134 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 19:02:05,134 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 19:02:05,135 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 19:02:05,135 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 19:02:05,135 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 19:02:05,137 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 19:02:05,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:02:05,138 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 19:02:05,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:02:05,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:02:05,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 19:02:05,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 19:02:05,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 19:02:05,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:02:05,140 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 19:02:05,140 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:02:05,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 19:02:05,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:02:05,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:02:05,141 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 19:02:05,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:02:05,142 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:02:05,142 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:02:05,143 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 19:02:05,145 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 19:02:05,146 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-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aab5dc49efb2008f48b80e5d09bedb13ca5cefa [2020-11-29 19:02:05,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:02:05,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:02:05,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:02:05,525 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:02:05,526 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:02:05,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i [2020-11-29 19:02:05,633 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/data/4392d789c/889ed14d78f7423b87f501c223e0a265/FLAG77c222861 [2020-11-29 19:02:06,328 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:02:06,329 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/sv-benchmarks/c/termination-memory-alloca/strreplace-alloca-1.i [2020-11-29 19:02:06,344 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/data/4392d789c/889ed14d78f7423b87f501c223e0a265/FLAG77c222861 [2020-11-29 19:02:06,622 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/data/4392d789c/889ed14d78f7423b87f501c223e0a265 [2020-11-29 19:02:06,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:02:06,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:02:06,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:02:06,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:02:06,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:02:06,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:02:06" (1/1) ... [2020-11-29 19:02:06,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f7a9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:02:06, skipping insertion in model container [2020-11-29 19:02:06,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:02:06" (1/1) ... [2020-11-29 19:02:06,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:02:06,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:02:07,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:02:07,035 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:02:07,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:02:07,170 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:02:07,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:02:07 WrapperNode [2020-11-29 19:02:07,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:02:07,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:02:07,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:02:07,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:02:07,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:02:07" (1/1) ... [2020-11-29 19:02:07,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:02:07" (1/1) ... [2020-11-29 19:02:07,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:02:07,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:02:07,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:02:07,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:02:07,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:02:07" (1/1) ... [2020-11-29 19:02:07,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:02:07" (1/1) ... [2020-11-29 19:02:07,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:02:07" (1/1) ... [2020-11-29 19:02:07,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:02:07" (1/1) ... [2020-11-29 19:02:07,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:02:07" (1/1) ... [2020-11-29 19:02:07,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:02:07" (1/1) ... [2020-11-29 19:02:07,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:02:07" (1/1) ... [2020-11-29 19:02:07,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:02:07,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:02:07,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:02:07,317 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:02:07,318 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:02:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/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 [2020-11-29 19:02:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 19:02:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 19:02:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:02:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:02:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:02:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:02:07,783 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:02:07,788 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-11-29 19:02:07,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:02:07 BoogieIcfgContainer [2020-11-29 19:02:07,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:02:07,791 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 19:02:07,803 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 19:02:07,808 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 19:02:07,809 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:02:07,809 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 07:02:06" (1/3) ... [2020-11-29 19:02:07,811 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7776bc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:02:07, skipping insertion in model container [2020-11-29 19:02:07,811 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:02:07,812 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:02:07" (2/3) ... [2020-11-29 19:02:07,812 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7776bc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 07:02:07, skipping insertion in model container [2020-11-29 19:02:07,813 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 19:02:07,813 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:02:07" (3/3) ... [2020-11-29 19:02:07,815 INFO L373 chiAutomizerObserver]: Analyzing ICFG strreplace-alloca-1.i [2020-11-29 19:02:07,907 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 19:02:07,909 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 19:02:07,909 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 19:02:07,912 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:02:07,912 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:02:07,912 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 19:02:07,912 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:02:07,913 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 19:02:07,941 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-29 19:02:07,963 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 19:02:07,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:02:07,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:02:07,971 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 19:02:07,972 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-29 19:02:07,972 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 19:02:07,972 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-29 19:02:07,974 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-11-29 19:02:07,974 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 19:02:07,974 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 19:02:07,975 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-11-29 19:02:07,975 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-11-29 19:02:07,984 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet6, main_#t~malloc7.base, main_#t~malloc7.offset, main_#t~nondet8, main_#t~nondet9, main_#t~ret10, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet6;havoc main_#t~nondet6; 10#L562true assume !(main_~length1~0 < 1); 14#L562-2true call main_#t~malloc7.base, main_#t~malloc7.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc7.base, main_#t~malloc7.offset;call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrreplace_#in~s.base, cstrreplace_#in~s.offset, cstrreplace_#in~old, cstrreplace_#in~new := main_~nondetString1~0.base, main_~nondetString1~0.offset, (if main_#t~nondet8 % 256 <= 127 then main_#t~nondet8 % 256 else main_#t~nondet8 % 256 - 256), (if main_#t~nondet9 % 256 <= 127 then main_#t~nondet9 % 256 else main_#t~nondet9 % 256 - 256);havoc cstrreplace_#res;havoc cstrreplace_#t~mem3, cstrreplace_#t~post4, cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset, cstrreplace_#t~mem2, cstrreplace_~s.base, cstrreplace_~s.offset, cstrreplace_~old, cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, cstrreplace_~numReplaced~0;cstrreplace_~s.base, cstrreplace_~s.offset := cstrreplace_#in~s.base, cstrreplace_#in~s.offset;cstrreplace_~old := cstrreplace_#in~old;cstrreplace_~new := cstrreplace_#in~new;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_~s.base, cstrreplace_~s.offset;cstrreplace_~numReplaced~0 := 0; 3#L551-3true [2020-11-29 19:02:07,984 INFO L796 eck$LassoCheckResult]: Loop: 3#L551-3true call cstrreplace_#t~mem2 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 12#L551-1true assume !!(0 != cstrreplace_#t~mem2);havoc cstrreplace_#t~mem2;call cstrreplace_#t~mem3 := read~int(cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1); 9#L552true assume cstrreplace_#t~mem3 == cstrreplace_~old;havoc cstrreplace_#t~mem3;call write~int(cstrreplace_~new, cstrreplace_~p~0.base, cstrreplace_~p~0.offset, 1);cstrreplace_#t~post4 := cstrreplace_~numReplaced~0;cstrreplace_~numReplaced~0 := 1 + cstrreplace_#t~post4;havoc cstrreplace_#t~post4; 13#L552-2true cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset := cstrreplace_~p~0.base, cstrreplace_~p~0.offset;cstrreplace_~p~0.base, cstrreplace_~p~0.offset := cstrreplace_#t~post5.base, 1 + cstrreplace_#t~post5.offset;havoc cstrreplace_#t~post5.base, cstrreplace_#t~post5.offset; 3#L551-3true [2020-11-29 19:02:08,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:02:08,003 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-11-29 19:02:08,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:02:08,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980089828] [2020-11-29 19:02:08,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:02:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:02:08,226 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:02:08,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:02:08,285 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:02:08,307 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:02:08,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:02:08,309 INFO L82 PathProgramCache]: Analyzing trace with hash 1359562, now seen corresponding path program 1 times [2020-11-29 19:02:08,310 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:02:08,310 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773827541] [2020-11-29 19:02:08,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:02:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:02:08,323 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:02:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:02:08,332 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:02:08,335 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:02:08,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:02:08,337 INFO L82 PathProgramCache]: Analyzing trace with hash 176704686, now seen corresponding path program 1 times [2020-11-29 19:02:08,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:02:08,338 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12617333] [2020-11-29 19:02:08,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:02:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:02:08,376 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:02:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:02:08,423 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:02:08,433 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:02:08,994 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 78 [2020-11-29 19:02:09,146 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-11-29 19:02:09,162 INFO L210 LassoAnalysis]: Preferences: [2020-11-29 19:02:09,166 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-29 19:02:09,166 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-29 19:02:09,166 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-29 19:02:09,166 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-29 19:02:09,167 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:02:09,167 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-29 19:02:09,167 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-29 19:02:09,167 INFO L133 ssoRankerPreferences]: Filename of dumped script: strreplace-alloca-1.i_Iteration1_Lasso [2020-11-29 19:02:09,168 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-29 19:02:09,168 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-29 19:02:09,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:09,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:09,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:09,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:09,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:09,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:09,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:09,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:09,252 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:09,309 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2020-11-29 19:02:10,371 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2020-11-29 19:02:10,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:10,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:10,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:10,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:10,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:10,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:10,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-29 19:02:10,953 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2020-11-29 19:02:11,231 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-11-29 19:02:11,464 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2020-11-29 19:02:11,520 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-29 19:02:11,526 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:02:11,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:02:11,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:02:11,542 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:02:11,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:02:11,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:02:11,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:02:11,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:02:11,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:02:11,550 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:02:11,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:02:11,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:02:11,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:02:11,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:02:11,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:02:11,614 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:02:11,614 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:02:11,636 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:02:11,685 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:02:11,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:02:11,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:02:11,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:02:11,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:02:11,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:02:11,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:02:11,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:02:11,708 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:02:11,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:02:11,764 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:02:11,765 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:02:11,765 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:02:11,765 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:02:11,765 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:02:11,766 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:02:11,766 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:02:11,768 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:02:11,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:02:11,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:02:11,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:02:11,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:02:11,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:02:11,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:02:11,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:02:11,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:02:11,827 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/z3 Starting monitored process 7 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:02:11,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:02:11,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:02:11,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:02:11,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:02:11,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:02:11,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:02:11,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:02:11,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:02:11,892 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:02:11,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:02:11,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:02:11,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:02:11,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:02:11,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:02:11,939 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:02:11,939 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 19:02:11,947 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:02:11,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:02:11,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:02:11,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-29 19:02:11,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:02:11,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:02:11,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:02:11,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-29 19:02:11,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-29 19:02:11,997 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:02:12,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:02:12,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:02:12,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:02:12,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:02:12,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:02:12,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:02:12,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 19:02:12,062 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:02:12,093 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:02:12,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:02:12,095 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2020-11-29 19:02:12,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:02:12,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:02:12,105 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2020-11-29 19:02:12,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 19:02:12,119 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:02:12,171 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-29 19:02:12,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-29 19:02:12,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-29 19:02:12,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-29 19:02:12,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-29 19:02:12,190 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-29 19:02:12,190 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-29 19:02:12,208 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-29 19:02:12,440 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2020-11-29 19:02:12,440 INFO L444 ModelExtractionUtils]: 16 out of 28 variables were initially zero. Simplification set additionally 9 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3e1a8715-e8c0-4241-bf7d-197900ffb9cf/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-29 19:02:12,453 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 19:02:12,458 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-29 19:02:12,458 INFO L510 LassoAnalysis]: Proved termination. [2020-11-29 19:02:12,459 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrreplace_~p~0.base)_1, ULTIMATE.start_cstrreplace_~p~0.offset) = 1*v_rep(select #length ULTIMATE.start_cstrreplace_~p~0.base)_1 - 1*ULTIMATE.start_cstrreplace_~p~0.offset Supporting invariants [] [2020-11-29 19:02:12,546 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2020-11-29 19:02:12,560 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-29 19:02:12,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:02:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:02:12,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-29 19:02:12,649 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:02:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:02:12,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-29 19:02:12,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:02:12,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:02:12,720 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-29 19:02:12,722 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2020-11-29 19:02:12,806 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 27 states and 32 transitions. Complement of second has 5 states. [2020-11-29 19:02:12,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-11-29 19:02:12,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-29 19:02:12,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-11-29 19:02:12,813 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 4 letters. Loop has 4 letters. [2020-11-29 19:02:12,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:02:12,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 8 letters. Loop has 4 letters. [2020-11-29 19:02:12,815 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:02:12,815 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 4 letters. Loop has 8 letters. [2020-11-29 19:02:12,816 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-29 19:02:12,817 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 32 transitions. [2020-11-29 19:02:12,819 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 19:02:12,823 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2020-11-29 19:02:12,825 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-29 19:02:12,825 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-29 19:02:12,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-29 19:02:12,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 19:02:12,827 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:02:12,828 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:02:12,828 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-29 19:02:12,828 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 19:02:12,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-29 19:02:12,828 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 19:02:12,828 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 19:02:12,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 07:02:12 BoogieIcfgContainer [2020-11-29 19:02:12,835 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 19:02:12,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:02:12,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:02:12,836 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:02:12,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:02:07" (3/4) ... [2020-11-29 19:02:12,840 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 19:02:12,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:02:12,842 INFO L168 Benchmark]: Toolchain (without parser) took 6213.43 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 83.0 MB in the beginning and 106.1 MB in the end (delta: -23.1 MB). Peak memory consumption was 28.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:02:12,844 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 113.2 MB. Free memory was 69.6 MB in the beginning and 69.6 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:02:12,845 INFO L168 Benchmark]: CACSL2BoogieTranslator took 541.48 ms. Allocated memory is still 113.2 MB. Free memory was 82.7 MB in the beginning and 77.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:02:12,846 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.89 ms. Allocated memory is still 113.2 MB. Free memory was 77.4 MB in the beginning and 75.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:02:12,848 INFO L168 Benchmark]: Boogie Preprocessor took 66.01 ms. Allocated memory is still 113.2 MB. Free memory was 75.8 MB in the beginning and 74.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 19:02:12,857 INFO L168 Benchmark]: RCFGBuilder took 474.24 ms. Allocated memory is still 113.2 MB. Free memory was 74.3 MB in the beginning and 60.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-29 19:02:12,857 INFO L168 Benchmark]: BuchiAutomizer took 5043.31 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 60.6 MB in the beginning and 106.1 MB in the end (delta: -45.5 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:02:12,858 INFO L168 Benchmark]: Witness Printer took 4.79 ms. Allocated memory is still 163.6 MB. Free memory is still 106.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:02:12,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 113.2 MB. Free memory was 69.6 MB in the beginning and 69.6 MB in the end (delta: 55.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 541.48 ms. Allocated memory is still 113.2 MB. Free memory was 82.7 MB in the beginning and 77.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.89 ms. Allocated memory is still 113.2 MB. Free memory was 77.4 MB in the beginning and 75.8 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 66.01 ms. Allocated memory is still 113.2 MB. Free memory was 75.8 MB in the beginning and 74.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 474.24 ms. Allocated memory is still 113.2 MB. Free memory was 74.3 MB in the beginning and 60.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5043.31 ms. Allocated memory was 113.2 MB in the beginning and 163.6 MB in the end (delta: 50.3 MB). Free memory was 60.6 MB in the beginning and 106.1 MB in the end (delta: -45.5 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.79 ms. Allocated memory is still 163.6 MB. Free memory is still 106.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[p] + -1 * p and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 21 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital198 mio100 ax109 hnf99 lsp106 ukn169 mio100 lsp15 div138 bol100 ite100 ukn100 eq157 hnf71 smp84 dnf222 smp53 tf100 neg97 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 28ms VariablesStem: 5 VariablesLoop: 0 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: 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...