./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_00.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_00.c -s /tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 724e4305193cb3f57fe41617237707ffca942b7e .......................................................................................................................................................................................................................................................................... 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 [2020-11-30 01:10:24,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 01:10:24,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 01:10:24,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 01:10:24,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 01:10:24,807 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 01:10:24,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 01:10:24,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 01:10:24,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 01:10:24,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 01:10:24,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 01:10:24,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 01:10:24,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 01:10:24,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 01:10:24,838 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 01:10:24,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 01:10:24,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 01:10:24,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 01:10:24,852 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 01:10:24,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 01:10:24,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 01:10:24,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 01:10:24,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 01:10:24,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 01:10:24,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 01:10:24,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 01:10:24,879 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 01:10:24,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 01:10:24,882 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 01:10:24,883 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 01:10:24,884 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 01:10:24,885 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 01:10:24,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 01:10:24,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 01:10:24,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 01:10:24,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 01:10:24,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 01:10:24,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 01:10:24,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 01:10:24,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 01:10:24,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 01:10:24,898 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 01:10:24,951 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 01:10:24,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 01:10:24,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 01:10:24,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 01:10:24,955 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 01:10:24,955 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 01:10:24,956 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 01:10:24,956 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 01:10:24,956 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 01:10:24,956 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 01:10:24,958 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 01:10:24,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 01:10:24,958 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 01:10:24,959 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 01:10:24,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 01:10:24,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 01:10:24,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 01:10:24,960 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 01:10:24,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 01:10:24,960 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 01:10:24,960 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 01:10:24,961 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 01:10:24,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 01:10:24,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 01:10:24,962 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 01:10:24,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 01:10:24,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 01:10:24,962 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 01:10:24,963 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 01:10:24,964 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 01:10:24,964 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_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 724e4305193cb3f57fe41617237707ffca942b7e [2020-11-30 01:10:25,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 01:10:25,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 01:10:25,378 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 01:10:25,380 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 01:10:25,382 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 01:10:25,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/NO_00.c [2020-11-30 01:10:25,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/bin/uautomizer/data/31dc295ba/c33c4f4188a84ddcb970dd479e64e256/FLAG608c2b5fe [2020-11-30 01:10:26,111 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 01:10:26,112 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/sv-benchmarks/c/termination-restricted-15/NO_00.c [2020-11-30 01:10:26,124 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/bin/uautomizer/data/31dc295ba/c33c4f4188a84ddcb970dd479e64e256/FLAG608c2b5fe [2020-11-30 01:10:26,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/bin/uautomizer/data/31dc295ba/c33c4f4188a84ddcb970dd479e64e256 [2020-11-30 01:10:26,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 01:10:26,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 01:10:26,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:26,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 01:10:26,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 01:10:26,483 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:26" (1/1) ... [2020-11-30 01:10:26,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dab006f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:26, skipping insertion in model container [2020-11-30 01:10:26,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 01:10:26" (1/1) ... [2020-11-30 01:10:26,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 01:10:26,511 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 01:10:26,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:26,694 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 01:10:26,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 01:10:26,740 INFO L208 MainTranslator]: Completed translation [2020-11-30 01:10:26,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:26 WrapperNode [2020-11-30 01:10:26,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 01:10:26,743 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:26,743 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 01:10:26,743 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 01:10:26,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:26" (1/1) ... [2020-11-30 01:10:26,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:26" (1/1) ... [2020-11-30 01:10:26,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 01:10:26,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 01:10:26,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 01:10:26,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 01:10:26,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:26" (1/1) ... [2020-11-30 01:10:26,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:26" (1/1) ... [2020-11-30 01:10:26,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:26" (1/1) ... [2020-11-30 01:10:26,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:26" (1/1) ... [2020-11-30 01:10:26,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:26" (1/1) ... [2020-11-30 01:10:26,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:26" (1/1) ... [2020-11-30 01:10:26,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:26" (1/1) ... [2020-11-30 01:10:26,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 01:10:26,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 01:10:26,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 01:10:26,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 01:10:26,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/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 [2020-11-30 01:10:26,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 01:10:26,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 01:10:27,028 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 01:10:27,028 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-30 01:10:27,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:27 BoogieIcfgContainer [2020-11-30 01:10:27,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 01:10:27,032 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 01:10:27,032 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 01:10:27,036 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 01:10:27,041 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:10:27,041 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 01:10:26" (1/3) ... [2020-11-30 01:10:27,043 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31d07fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:10:27, skipping insertion in model container [2020-11-30 01:10:27,043 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:10:27,044 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 01:10:26" (2/3) ... [2020-11-30 01:10:27,045 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@31d07fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 01:10:27, skipping insertion in model container [2020-11-30 01:10:27,045 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 01:10:27,046 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:27" (3/3) ... [2020-11-30 01:10:27,048 INFO L373 chiAutomizerObserver]: Analyzing ICFG NO_00.c [2020-11-30 01:10:27,115 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 01:10:27,115 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 01:10:27,115 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 01:10:27,116 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 01:10:27,116 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 01:10:27,116 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 01:10:27,116 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 01:10:27,116 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 01:10:27,129 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-11-30 01:10:27,150 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 01:10:27,151 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:10:27,151 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:10:27,157 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-30 01:10:27,158 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 01:10:27,158 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 01:10:27,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-11-30 01:10:27,159 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 01:10:27,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 01:10:27,159 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 01:10:27,160 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-30 01:10:27,160 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 01:10:27,168 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0;havoc main_~i~0;main_~i~0 := 0; 5#L9-2true [2020-11-30 01:10:27,169 INFO L796 eck$LassoCheckResult]: Loop: 5#L9-2true assume !!(main_~i~0 < 100);main_~i~0 := main_~i~0; 5#L9-2true [2020-11-30 01:10:27,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:27,176 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-11-30 01:10:27,187 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:27,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449408828] [2020-11-30 01:10:27,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:10:27,274 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:10:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:10:27,279 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:10:27,296 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:10:27,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:27,299 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-11-30 01:10:27,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:27,300 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464407022] [2020-11-30 01:10:27,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:10:27,308 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:10:27,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:10:27,312 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:10:27,314 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:10:27,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 01:10:27,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-11-30 01:10:27,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 01:10:27,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [598916472] [2020-11-30 01:10:27,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 01:10:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:10:27,329 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:10:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 01:10:27,334 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 01:10:27,335 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 01:10:27,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 01:10:27 BoogieIcfgContainer [2020-11-30 01:10:27,472 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 01:10:27,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 01:10:27,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 01:10:27,473 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 01:10:27,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 01:10:27" (3/4) ... [2020-11-30 01:10:27,476 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-30 01:10:27,522 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_fb8b18e2-1e1b-4f11-bca5-2e66220d70e6/bin/uautomizer/witness.graphml [2020-11-30 01:10:27,522 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 01:10:27,524 INFO L168 Benchmark]: Toolchain (without parser) took 1049.96 ms. Allocated memory is still 86.0 MB. Free memory was 60.9 MB in the beginning and 38.7 MB in the end (delta: 22.2 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:27,525 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 71.3 MB. Free memory is still 36.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:10:27,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.85 ms. Allocated memory is still 86.0 MB. Free memory was 60.6 MB in the beginning and 65.9 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:27,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.91 ms. Allocated memory is still 86.0 MB. Free memory was 65.9 MB in the beginning and 64.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:10:27,528 INFO L168 Benchmark]: Boogie Preprocessor took 20.53 ms. Allocated memory is still 86.0 MB. Free memory was 64.6 MB in the beginning and 63.9 MB in the end (delta: 695.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:10:27,529 INFO L168 Benchmark]: RCFGBuilder took 235.59 ms. Allocated memory is still 86.0 MB. Free memory was 63.6 MB in the beginning and 56.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:27,530 INFO L168 Benchmark]: BuchiAutomizer took 440.26 ms. Allocated memory is still 86.0 MB. Free memory was 56.2 MB in the beginning and 40.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 01:10:27,531 INFO L168 Benchmark]: Witness Printer took 49.33 ms. Allocated memory is still 86.0 MB. Free memory was 40.2 MB in the beginning and 38.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 01:10:27,544 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 71.3 MB. Free memory is still 36.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 265.85 ms. Allocated memory is still 86.0 MB. Free memory was 60.6 MB in the beginning and 65.9 MB in the end (delta: -5.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.91 ms. Allocated memory is still 86.0 MB. Free memory was 65.9 MB in the beginning and 64.6 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.53 ms. Allocated memory is still 86.0 MB. Free memory was 64.6 MB in the beginning and 63.9 MB in the end (delta: 695.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 235.59 ms. Allocated memory is still 86.0 MB. Free memory was 63.6 MB in the beginning and 56.6 MB in the end (delta: 7.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 440.26 ms. Allocated memory is still 86.0 MB. Free memory was 56.2 MB in the beginning and 40.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 49.33 ms. Allocated memory is still 86.0 MB. Free memory was 40.2 MB in the beginning and 38.7 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 9]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {\result=0, i=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 9]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = 0 Loop: [L9] COND TRUE i < 100 [L10] i = i+0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...