./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_security.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/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 d4a7e0762948cbc310fcf63fb24dcbf7ee6356cb ...................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:51:11,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:51:11,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:51:11,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:51:11,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:51:11,174 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:51:11,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:51:11,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:51:11,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:51:11,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:51:11,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:51:11,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:51:11,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:51:11,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:51:11,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:51:11,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:51:11,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:51:11,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:51:11,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:51:11,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:51:11,198 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:51:11,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:51:11,208 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:51:11,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:51:11,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:51:11,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:51:11,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:51:11,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:51:11,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:51:11,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:51:11,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:51:11,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:51:11,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:51:11,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:51:11,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:51:11,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:51:11,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:51:11,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:51:11,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:51:11,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:51:11,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:51:11,229 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 18:51:11,254 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:51:11,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:51:11,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:51:11,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:51:11,256 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:51:11,257 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 18:51:11,257 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 18:51:11,258 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 18:51:11,258 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 18:51:11,258 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 18:51:11,259 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 18:51:11,259 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:51:11,260 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:51:11,260 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:51:11,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:51:11,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:51:11,261 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:51:11,262 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 18:51:11,262 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 18:51:11,262 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 18:51:11,262 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:51:11,263 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:51:11,263 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 18:51:11,263 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:51:11,263 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 18:51:11,264 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:51:11,264 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:51:11,264 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 18:51:11,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:51:11,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:51:11,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:51:11,265 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 18:51:11,266 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 18:51:11,266 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_2f8e458e-512a-4280-9b8a-62d055c55f5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4a7e0762948cbc310fcf63fb24dcbf7ee6356cb [2020-11-29 18:51:11,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:51:11,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:51:11,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:51:11,576 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:51:11,577 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:51:11,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/bin/uautomizer/../../sv-benchmarks/c/psyco/psyco_security.c [2020-11-29 18:51:11,649 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/bin/uautomizer/data/1f7ef5030/088aef5cbb9541f6b43835d838ea755e/FLAG5b8ab1547 [2020-11-29 18:51:12,143 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:51:12,144 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/sv-benchmarks/c/psyco/psyco_security.c [2020-11-29 18:51:12,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/bin/uautomizer/data/1f7ef5030/088aef5cbb9541f6b43835d838ea755e/FLAG5b8ab1547 [2020-11-29 18:51:12,518 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/bin/uautomizer/data/1f7ef5030/088aef5cbb9541f6b43835d838ea755e [2020-11-29 18:51:12,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:51:12,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:51:12,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:51:12,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:51:12,528 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:51:12,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:51:12" (1/1) ... [2020-11-29 18:51:12,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e63368d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:12, skipping insertion in model container [2020-11-29 18:51:12,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:51:12" (1/1) ... [2020-11-29 18:51:12,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:51:12,601 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:51:12,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:51:12,890 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:51:12,924 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:51:12,939 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:51:12,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:12 WrapperNode [2020-11-29 18:51:12,940 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:51:12,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:51:12,942 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:51:12,942 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:51:12,950 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:12" (1/1) ... [2020-11-29 18:51:12,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:12" (1/1) ... [2020-11-29 18:51:12,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:51:12,986 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:51:12,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:51:12,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:51:12,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:12" (1/1) ... [2020-11-29 18:51:12,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:12" (1/1) ... [2020-11-29 18:51:12,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:12" (1/1) ... [2020-11-29 18:51:12,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:12" (1/1) ... [2020-11-29 18:51:13,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:12" (1/1) ... [2020-11-29 18:51:13,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:12" (1/1) ... [2020-11-29 18:51:13,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:12" (1/1) ... [2020-11-29 18:51:13,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:51:13,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:51:13,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:51:13,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:51:13,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/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 18:51:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:51:13,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:51:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:51:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:51:13,601 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:51:13,601 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-11-29 18:51:13,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:51:13 BoogieIcfgContainer [2020-11-29 18:51:13,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:51:13,605 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 18:51:13,605 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 18:51:13,611 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 18:51:13,612 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:51:13,613 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 06:51:12" (1/3) ... [2020-11-29 18:51:13,614 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1550ff86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:51:13, skipping insertion in model container [2020-11-29 18:51:13,614 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:51:13,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:51:12" (2/3) ... [2020-11-29 18:51:13,615 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1550ff86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 06:51:13, skipping insertion in model container [2020-11-29 18:51:13,615 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 18:51:13,615 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:51:13" (3/3) ... [2020-11-29 18:51:13,618 INFO L373 chiAutomizerObserver]: Analyzing ICFG psyco_security.c [2020-11-29 18:51:13,663 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 18:51:13,663 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 18:51:13,664 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 18:51:13,664 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:51:13,664 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:51:13,664 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 18:51:13,664 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:51:13,664 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 18:51:13,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2020-11-29 18:51:13,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2020-11-29 18:51:13,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:51:13,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:51:13,702 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 18:51:13,702 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:51:13,702 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 18:51:13,702 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2020-11-29 18:51:13,708 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2020-11-29 18:51:13,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:51:13,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:51:13,709 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 18:51:13,709 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:51:13,715 INFO L794 eck$LassoCheckResult]: Stem: 36#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(17);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 13#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_~q~0, main_~method_id~0, main_~this_state~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_state~0 := 0; 73#L24-2true [2020-11-29 18:51:13,716 INFO L796 eck$LassoCheckResult]: Loop: 73#L24-2true goto; 11#L383true assume !false; 8#L29true assume !(0 == main_~q~0); 49#L49true assume !(1 == main_~q~0); 62#L101true assume !(2 == main_~q~0); 79#L185true assume !(3 == main_~q~0); 9#L285true assume !(4 == main_~q~0); 73#L24-2true [2020-11-29 18:51:13,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:13,721 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-29 18:51:13,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:13,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521397424] [2020-11-29 18:51:13,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:51:13,889 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:51:13,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:51:13,913 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:51:13,940 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:51:13,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:13,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1175019824, now seen corresponding path program 1 times [2020-11-29 18:51:13,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:13,946 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772720270] [2020-11-29 18:51:13,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:51:13,962 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:51:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:51:13,971 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:51:13,976 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:51:13,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:13,980 INFO L82 PathProgramCache]: Analyzing trace with hash 371277006, now seen corresponding path program 1 times [2020-11-29 18:51:13,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:13,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055788106] [2020-11-29 18:51:13,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:51:14,088 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 18:51:14,088 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055788106] [2020-11-29 18:51:14,089 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:51:14,089 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 18:51:14,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670001308] [2020-11-29 18:51:14,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:51:14,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 18:51:14,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 18:51:14,172 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 3 states. [2020-11-29 18:51:14,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:51:14,286 INFO L93 Difference]: Finished difference Result 80 states and 122 transitions. [2020-11-29 18:51:14,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 18:51:14,288 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 122 transitions. [2020-11-29 18:51:14,293 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2020-11-29 18:51:14,304 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 59 states and 81 transitions. [2020-11-29 18:51:14,305 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2020-11-29 18:51:14,307 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2020-11-29 18:51:14,307 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2020-11-29 18:51:14,308 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 18:51:14,309 INFO L691 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-11-29 18:51:14,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2020-11-29 18:51:14,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-11-29 18:51:14,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-11-29 18:51:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2020-11-29 18:51:14,353 INFO L714 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-11-29 18:51:14,353 INFO L594 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-11-29 18:51:14,353 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 18:51:14,353 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2020-11-29 18:51:14,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2020-11-29 18:51:14,359 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 18:51:14,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 18:51:14,360 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-29 18:51:14,360 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 18:51:14,361 INFO L794 eck$LassoCheckResult]: Stem: 208#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(17);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~m_initSign~0 := 1;~m_initVerify~0 := 2;~m_Signature~0 := 3;~m_sign~0 := 4;~m_verify~0 := 5;~m_update~0 := 6; 187#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_~q~0, main_~method_id~0, main_~this_state~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_state~0 := 0; 188#L24-2 goto; 185#L383 [2020-11-29 18:51:14,361 INFO L796 eck$LassoCheckResult]: Loop: 185#L383 assume !false; 180#L29 assume 0 == main_~q~0; 181#L30 assume !(0 != main_#t~nondet7);havoc main_#t~nondet7; 185#L383 [2020-11-29 18:51:14,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:14,362 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2020-11-29 18:51:14,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:14,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973525279] [2020-11-29 18:51:14,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:51:14,391 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:51:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:51:14,406 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:51:14,414 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:51:14,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:14,415 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2020-11-29 18:51:14,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:14,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303508214] [2020-11-29 18:51:14,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:14,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:51:14,419 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:51:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:51:14,420 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:51:14,426 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:51:14,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:51:14,427 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2020-11-29 18:51:14,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:51:14,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965098849] [2020-11-29 18:51:14,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:51:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:51:14,444 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:51:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:51:14,455 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:51:14,460 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:51:14,788 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2020-11-29 18:51:14,931 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-11-29 18:51:14,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 06:51:14 BoogieIcfgContainer [2020-11-29 18:51:14,966 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 18:51:14,967 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:51:14,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:51:14,968 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:51:14,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:51:13" (3/4) ... [2020-11-29 18:51:14,971 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 18:51:15,008 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2f8e458e-512a-4280-9b8a-62d055c55f5a/bin/uautomizer/witness.graphml [2020-11-29 18:51:15,008 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:51:15,010 INFO L168 Benchmark]: Toolchain (without parser) took 2486.76 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 80.3 MB in the beginning and 85.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-11-29 18:51:15,010 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 109.1 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:51:15,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 416.41 ms. Allocated memory is still 109.1 MB. Free memory was 79.8 MB in the beginning and 83.7 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:51:15,012 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.01 ms. Allocated memory is still 109.1 MB. Free memory was 83.7 MB in the beginning and 82.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:51:15,013 INFO L168 Benchmark]: Boogie Preprocessor took 34.66 ms. Allocated memory is still 109.1 MB. Free memory was 82.0 MB in the beginning and 80.3 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:51:15,013 INFO L168 Benchmark]: RCFGBuilder took 581.99 ms. Allocated memory is still 109.1 MB. Free memory was 80.3 MB in the beginning and 53.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-29 18:51:15,014 INFO L168 Benchmark]: BuchiAutomizer took 1362.03 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 53.0 MB in the beginning and 87.4 MB in the end (delta: -34.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:51:15,015 INFO L168 Benchmark]: Witness Printer took 40.79 ms. Allocated memory is still 132.1 MB. Free memory was 86.9 MB in the beginning and 85.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:51:15,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 109.1 MB. Free memory is still 65.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 416.41 ms. Allocated memory is still 109.1 MB. Free memory was 79.8 MB in the beginning and 83.7 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.01 ms. Allocated memory is still 109.1 MB. Free memory was 83.7 MB in the beginning and 82.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.66 ms. Allocated memory is still 109.1 MB. Free memory was 82.0 MB in the beginning and 80.3 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 581.99 ms. Allocated memory is still 109.1 MB. Free memory was 80.3 MB in the beginning and 53.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1362.03 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 53.0 MB in the beginning and 87.4 MB in the end (delta: -34.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 16.1 GB. * Witness Printer took 40.79 ms. Allocated memory is still 132.1 MB. Free memory was 86.9 MB in the beginning and 85.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 59 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 118 SDtfs, 4 SDslu, 84 SDs, 0 SdLazy, 31 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 24]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=2, NULL=0, m_sign=4, \result=0, NULL=1, m_update=6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4e61cf4a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c30833a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77ae4207=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f73b1ef=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f2822d4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@536239fd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35d8c268=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@341bf1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ed118f0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77894758=0, NULL=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72b28dd4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@506ca6a4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6eec00ff=0, NULL=0, NULL=0, NULL=0, NULL=4, m_verify=5, m_initSign=1, m_initVerify=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c3e7506=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f06256b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fcd5ae9=0, NULL=0, this_state=0, q=0, m_Signature=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2aa924e1=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19ddd778=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26740700=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@285753d8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d385e29=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 24]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L7] int m_initSign = 1; [L8] int m_initVerify = 2; [L9] int m_Signature = 3; [L10] int m_sign = 4; [L11] int m_verify = 5; [L12] int m_update = 6; [L17] int q = 0; [L18] int method_id; [L21] int this_state = 0; Loop: [L24] COND TRUE 1 [L29] COND TRUE q == 0 [L30] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...