./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_security.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/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 0.2.0-69874e2 [2020-12-01 15:15:49,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:15:49,457 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:15:49,499 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:15:49,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:15:49,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:15:49,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:15:49,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:15:49,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:15:49,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:15:49,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:15:49,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:15:49,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:15:49,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:15:49,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:15:49,582 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:15:49,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:15:49,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:15:49,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:15:49,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:15:49,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:15:49,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:15:49,616 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:15:49,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:15:49,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:15:49,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:15:49,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:15:49,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:15:49,639 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:15:49,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:15:49,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:15:49,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:15:49,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:15:49,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:15:49,649 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:15:49,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:15:49,651 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:15:49,651 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:15:49,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:15:49,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:15:49,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:15:49,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-12-01 15:15:49,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:15:49,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:15:49,717 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:15:49,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:15:49,717 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:15:49,718 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 15:15:49,718 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 15:15:49,718 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 15:15:49,719 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 15:15:49,719 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 15:15:49,720 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 15:15:49,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:15:49,721 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:15:49,722 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:15:49,722 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:15:49,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:15:49,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:15:49,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 15:15:49,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 15:15:49,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 15:15:49,723 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:15:49,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:15:49,724 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 15:15:49,724 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:15:49,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 15:15:49,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:15:49,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:15:49,726 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 15:15:49,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:15:49,726 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:15:49,726 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:15:49,727 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 15:15:49,728 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 15:15:49,729 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_e2c1647d-3e47-4347-80c1-a86884477207/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4a7e0762948cbc310fcf63fb24dcbf7ee6356cb [2020-12-01 15:15:50,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:15:50,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:15:50,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:15:50,185 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:15:50,186 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:15:50,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/bin/uautomizer/../../sv-benchmarks/c/psyco/psyco_security.c [2020-12-01 15:15:50,275 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/bin/uautomizer/data/990c5bfbe/5dd2dceb77584fdb9a091d0049b87e8a/FLAG7fad14621 [2020-12-01 15:15:50,986 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:15:50,987 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/sv-benchmarks/c/psyco/psyco_security.c [2020-12-01 15:15:51,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/bin/uautomizer/data/990c5bfbe/5dd2dceb77584fdb9a091d0049b87e8a/FLAG7fad14621 [2020-12-01 15:15:51,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/bin/uautomizer/data/990c5bfbe/5dd2dceb77584fdb9a091d0049b87e8a [2020-12-01 15:15:51,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:15:51,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:15:51,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:15:51,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:15:51,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:15:51,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:15:51" (1/1) ... [2020-12-01 15:15:51,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66d31d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:51, skipping insertion in model container [2020-12-01 15:15:51,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:15:51" (1/1) ... [2020-12-01 15:15:51,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:15:51,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:15:51,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:15:51,624 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:15:51,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:15:51,681 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:15:51,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:51 WrapperNode [2020-12-01 15:15:51,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:15:51,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:15:51,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:15:51,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:15:51,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:51" (1/1) ... [2020-12-01 15:15:51,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:51" (1/1) ... [2020-12-01 15:15:51,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:15:51,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:15:51,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:15:51,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:15:51,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:51" (1/1) ... [2020-12-01 15:15:51,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:51" (1/1) ... [2020-12-01 15:15:51,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:51" (1/1) ... [2020-12-01 15:15:51,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:51" (1/1) ... [2020-12-01 15:15:51,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:51" (1/1) ... [2020-12-01 15:15:51,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:51" (1/1) ... [2020-12-01 15:15:51,771 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:51" (1/1) ... [2020-12-01 15:15:51,776 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:15:51,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:15:51,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:15:51,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:15:51,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/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 [2020-12-01 15:15:51,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:15:51,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:15:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:15:51,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:15:52,364 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:15:52,364 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-12-01 15:15:52,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:15:52 BoogieIcfgContainer [2020-12-01 15:15:52,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:15:52,368 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 15:15:52,368 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 15:15:52,373 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 15:15:52,374 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:15:52,374 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:15:51" (1/3) ... [2020-12-01 15:15:52,382 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35b42a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:15:52, skipping insertion in model container [2020-12-01 15:15:52,383 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:15:52,383 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:15:51" (2/3) ... [2020-12-01 15:15:52,383 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35b42a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:15:52, skipping insertion in model container [2020-12-01 15:15:52,384 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:15:52,384 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:15:52" (3/3) ... [2020-12-01 15:15:52,399 INFO L389 chiAutomizerObserver]: Analyzing ICFG psyco_security.c [2020-12-01 15:15:52,457 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 15:15:52,458 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 15:15:52,458 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 15:15:52,458 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:15:52,459 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:15:52,459 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 15:15:52,459 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:15:52,459 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 15:15:52,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2020-12-01 15:15:52,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2020-12-01 15:15:52,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:15:52,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:15:52,518 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 15:15:52,518 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:15:52,519 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 15:15:52,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2020-12-01 15:15:52,527 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 62 [2020-12-01 15:15:52,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:15:52,528 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:15:52,529 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 15:15:52,529 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:15:52,538 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 [2020-12-01 15:15:52,539 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 [2020-12-01 15:15:52,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:15:52,562 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-12-01 15:15:52,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:15:52,577 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509763522] [2020-12-01 15:15:52,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:15:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:15:52,732 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:15:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:15:52,757 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:15:52,783 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:15:52,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:15:52,786 INFO L82 PathProgramCache]: Analyzing trace with hash -1175019824, now seen corresponding path program 1 times [2020-12-01 15:15:52,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:15:52,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717846967] [2020-12-01 15:15:52,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:15:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:15:52,796 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:15:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:15:52,801 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:15:52,813 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:15:52,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:15:52,818 INFO L82 PathProgramCache]: Analyzing trace with hash 371277006, now seen corresponding path program 1 times [2020-12-01 15:15:52,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:15:52,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281359623] [2020-12-01 15:15:52,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:15:52,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:15:52,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:15:52,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281359623] [2020-12-01 15:15:52,955 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:15:52,955 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:15:52,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438352830] [2020-12-01 15:15:53,066 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:15:53,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:15:53,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:15:53,088 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 3 states. [2020-12-01 15:15:53,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:15:53,204 INFO L93 Difference]: Finished difference Result 80 states and 122 transitions. [2020-12-01 15:15:53,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:15:53,211 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 122 transitions. [2020-12-01 15:15:53,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2020-12-01 15:15:53,228 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 59 states and 81 transitions. [2020-12-01 15:15:53,231 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 59 [2020-12-01 15:15:53,234 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 59 [2020-12-01 15:15:53,235 INFO L73 IsDeterministic]: Start isDeterministic. Operand 59 states and 81 transitions. [2020-12-01 15:15:53,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:15:53,237 INFO L692 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-12-01 15:15:53,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states and 81 transitions. [2020-12-01 15:15:53,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-12-01 15:15:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-12-01 15:15:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 81 transitions. [2020-12-01 15:15:53,276 INFO L715 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-12-01 15:15:53,276 INFO L595 BuchiCegarLoop]: Abstraction has 59 states and 81 transitions. [2020-12-01 15:15:53,276 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 15:15:53,276 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 81 transitions. [2020-12-01 15:15:53,279 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 56 [2020-12-01 15:15:53,280 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:15:53,280 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:15:53,280 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-12-01 15:15:53,280 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-12-01 15:15:53,281 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 [2020-12-01 15:15:53,281 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 [2020-12-01 15:15:53,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:15:53,282 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2020-12-01 15:15:53,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:15:53,282 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281663066] [2020-12-01 15:15:53,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:15:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:15:53,298 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:15:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:15:53,312 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:15:53,318 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:15:53,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:15:53,319 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2020-12-01 15:15:53,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:15:53,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107400115] [2020-12-01 15:15:53,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:15:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:15:53,324 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:15:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:15:53,326 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:15:53,328 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:15:53,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:15:53,329 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2020-12-01 15:15:53,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:15:53,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28799838] [2020-12-01 15:15:53,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:15:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:15:53,345 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:15:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:15:53,367 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:15:53,373 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:15:53,675 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 71 [2020-12-01 15:15:53,805 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-12-01 15:15:53,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:15:53 BoogieIcfgContainer [2020-12-01 15:15:53,839 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:15:53,842 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:15:53,843 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:15:53,843 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:15:53,843 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:15:52" (3/4) ... [2020-12-01 15:15:53,849 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-12-01 15:15:53,900 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e2c1647d-3e47-4347-80c1-a86884477207/bin/uautomizer/witness.graphml [2020-12-01 15:15:53,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:15:53,904 INFO L168 Benchmark]: Toolchain (without parser) took 2597.46 ms. Allocated memory is still 132.1 MB. Free memory was 105.5 MB in the beginning and 82.8 MB in the end (delta: 22.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:15:53,905 INFO L168 Benchmark]: CDTParser took 1.10 ms. Allocated memory is still 86.0 MB. Free memory is still 45.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:15:53,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.81 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 107.6 MB in the end (delta: -2.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:15:53,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.70 ms. Allocated memory is still 132.1 MB. Free memory was 107.6 MB in the beginning and 105.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:15:53,907 INFO L168 Benchmark]: Boogie Preprocessor took 39.30 ms. Allocated memory is still 132.1 MB. Free memory was 105.8 MB in the beginning and 104.0 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:15:53,907 INFO L168 Benchmark]: RCFGBuilder took 590.23 ms. Allocated memory is still 132.1 MB. Free memory was 104.0 MB in the beginning and 77.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:15:53,907 INFO L168 Benchmark]: BuchiAutomizer took 1471.40 ms. Allocated memory is still 132.1 MB. Free memory was 76.9 MB in the beginning and 84.8 MB in the end (delta: -8.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:15:53,908 INFO L168 Benchmark]: Witness Printer took 60.54 ms. Allocated memory is still 132.1 MB. Free memory was 84.8 MB in the beginning and 82.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:15:53,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.10 ms. Allocated memory is still 86.0 MB. Free memory is still 45.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 366.81 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 107.6 MB in the end (delta: -2.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.70 ms. Allocated memory is still 132.1 MB. Free memory was 107.6 MB in the beginning and 105.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.30 ms. Allocated memory is still 132.1 MB. Free memory was 105.8 MB in the beginning and 104.0 MB in the end (delta: 1.8 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 590.23 ms. Allocated memory is still 132.1 MB. Free memory was 104.0 MB in the beginning and 77.2 MB in the end (delta: 26.8 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1471.40 ms. Allocated memory is still 132.1 MB. Free memory was 76.9 MB in the beginning and 84.8 MB in the end (delta: -8.0 MB). Peak memory consumption was 21.1 MB. Max. memory is 16.1 GB. * Witness Printer took 60.54 ms. Allocated memory is still 132.1 MB. Free memory was 84.8 MB in the beginning and 82.8 MB in the end (delta: 2.0 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 1.3s 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=16494} State at position 1 is {NULL=16496, NULL=0, m_sign=4, \result=0, NULL=16494, m_update=6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29e66a4d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ac1cc02=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e1d550a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d40506b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37eef38c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37f54413=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@612f1e62=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e8ce559=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36ea3321=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37b98af=0, NULL=16495, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ca38cf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@28a6e355=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6814075e=0, NULL=0, NULL=0, NULL=0, NULL=16497, m_verify=5, m_initSign=1, m_initVerify=2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b223c33=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32e7eb3b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b586613=0, NULL=0, this_state=0, q=0, m_Signature=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ebc6106=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c4c2b62=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76b5457c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b06c6a2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13865f2f=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...