./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_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_00.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/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 [2020-11-28 02:58:47,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 02:58:47,956 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 02:58:48,032 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 02:58:48,033 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 02:58:48,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 02:58:48,037 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 02:58:48,041 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 02:58:48,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 02:58:48,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 02:58:48,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 02:58:48,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 02:58:48,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 02:58:48,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 02:58:48,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 02:58:48,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 02:58:48,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 02:58:48,072 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 02:58:48,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 02:58:48,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 02:58:48,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 02:58:48,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 02:58:48,094 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 02:58:48,095 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 02:58:48,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 02:58:48,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 02:58:48,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 02:58:48,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 02:58:48,112 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 02:58:48,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 02:58:48,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 02:58:48,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 02:58:48,118 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 02:58:48,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 02:58:48,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 02:58:48,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 02:58:48,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 02:58:48,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 02:58:48,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 02:58:48,125 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 02:58:48,126 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 02:58:48,129 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 02:58:48,174 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 02:58:48,174 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 02:58:48,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 02:58:48,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 02:58:48,177 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 02:58:48,177 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 02:58:48,177 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 02:58:48,177 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 02:58:48,178 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 02:58:48,178 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 02:58:48,179 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 02:58:48,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 02:58:48,179 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 02:58:48,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 02:58:48,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 02:58:48,180 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 02:58:48,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 02:58:48,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 02:58:48,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 02:58:48,181 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 02:58:48,181 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 02:58:48,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 02:58:48,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 02:58:48,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 02:58:48,182 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 02:58:48,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 02:58:48,182 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 02:58:48,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 02:58:48,182 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 02:58:48,185 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 02:58:48,185 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_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 724e4305193cb3f57fe41617237707ffca942b7e [2020-11-28 02:58:48,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 02:58:48,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 02:58:48,556 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 02:58:48,557 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 02:58:48,560 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 02:58:48,561 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/NO_00.c [2020-11-28 02:58:48,653 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/bin/uautomizer/data/1bc26fc1f/5c61c284493e4498a9fe8be8ba7cceeb/FLAGa1f30d97c [2020-11-28 02:58:49,101 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 02:58:49,102 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/sv-benchmarks/c/termination-restricted-15/NO_00.c [2020-11-28 02:58:49,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/bin/uautomizer/data/1bc26fc1f/5c61c284493e4498a9fe8be8ba7cceeb/FLAGa1f30d97c [2020-11-28 02:58:49,494 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/bin/uautomizer/data/1bc26fc1f/5c61c284493e4498a9fe8be8ba7cceeb [2020-11-28 02:58:49,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 02:58:49,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 02:58:49,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:49,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 02:58:49,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 02:58:49,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:49" (1/1) ... [2020-11-28 02:58:49,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f759c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:49, skipping insertion in model container [2020-11-28 02:58:49,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:58:49" (1/1) ... [2020-11-28 02:58:49,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 02:58:49,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 02:58:49,654 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:49,658 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 02:58:49,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 02:58:49,703 INFO L208 MainTranslator]: Completed translation [2020-11-28 02:58:49,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:49 WrapperNode [2020-11-28 02:58:49,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 02:58:49,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:49,706 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 02:58:49,706 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 02:58:49,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:49" (1/1) ... [2020-11-28 02:58:49,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:49" (1/1) ... [2020-11-28 02:58:49,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 02:58:49,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 02:58:49,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 02:58:49,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 02:58:49,754 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:49" (1/1) ... [2020-11-28 02:58:49,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:49" (1/1) ... [2020-11-28 02:58:49,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:49" (1/1) ... [2020-11-28 02:58:49,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:49" (1/1) ... [2020-11-28 02:58:49,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:49" (1/1) ... [2020-11-28 02:58:49,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:49" (1/1) ... [2020-11-28 02:58:49,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:49" (1/1) ... [2020-11-28 02:58:49,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 02:58:49,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 02:58:49,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 02:58:49,777 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 02:58:49,778 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/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 [2020-11-28 02:58:49,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 02:58:49,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 02:58:50,001 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 02:58:50,001 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 02:58:50,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:50 BoogieIcfgContainer [2020-11-28 02:58:50,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 02:58:50,005 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 02:58:50,005 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 02:58:50,009 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 02:58:50,010 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:58:50,010 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 02:58:49" (1/3) ... [2020-11-28 02:58:50,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6155ab08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:58:50, skipping insertion in model container [2020-11-28 02:58:50,012 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:58:50,012 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:58:49" (2/3) ... [2020-11-28 02:58:50,014 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6155ab08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 02:58:50, skipping insertion in model container [2020-11-28 02:58:50,014 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 02:58:50,015 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:50" (3/3) ... [2020-11-28 02:58:50,017 INFO L373 chiAutomizerObserver]: Analyzing ICFG NO_00.c [2020-11-28 02:58:50,087 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 02:58:50,087 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 02:58:50,087 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 02:58:50,087 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 02:58:50,088 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 02:58:50,091 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 02:58:50,091 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 02:58:50,091 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 02:58:50,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-11-28 02:58:50,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 02:58:50,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:58:50,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:58:50,123 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 02:58:50,124 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 02:58:50,124 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 02:58:50,124 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-11-28 02:58:50,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 02:58:50,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 02:58:50,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 02:58:50,125 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-11-28 02:58:50,125 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 02:58:50,132 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 [2020-11-28 02:58:50,133 INFO L796 eck$LassoCheckResult]: Loop: 5#L9-2true assume !!(main_~i~0 < 100);main_~i~0 := main_~i~0; 5#L9-2true [2020-11-28 02:58:50,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:50,139 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-11-28 02:58:50,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:50,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000139608] [2020-11-28 02:58:50,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:50,217 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:50,221 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:50,237 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:58:50,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:50,239 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-11-28 02:58:50,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:50,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175695769] [2020-11-28 02:58:50,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:50,247 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:50,251 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:50,252 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:58:50,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 02:58:50,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-11-28 02:58:50,254 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 02:58:50,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958435786] [2020-11-28 02:58:50,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 02:58:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:50,265 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 02:58:50,269 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 02:58:50,271 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 02:58:50,472 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-11-28 02:58:50,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 02:58:50 BoogieIcfgContainer [2020-11-28 02:58:50,538 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 02:58:50,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 02:58:50,542 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 02:58:50,543 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 02:58:50,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:58:50" (3/4) ... [2020-11-28 02:58:50,546 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-28 02:58:50,607 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e6d4f6df-e540-4525-9c50-eecfc5b09ce1/bin/uautomizer/witness.graphml [2020-11-28 02:58:50,607 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 02:58:50,612 INFO L168 Benchmark]: Toolchain (without parser) took 1110.90 ms. Allocated memory is still 90.2 MB. Free memory was 56.7 MB in the beginning and 41.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:50,613 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 63.0 MB in the beginning and 63.0 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:50,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.13 ms. Allocated memory is still 90.2 MB. Free memory was 56.4 MB in the beginning and 68.9 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:50,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.27 ms. Allocated memory is still 90.2 MB. Free memory was 68.9 MB in the beginning and 67.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:50,621 INFO L168 Benchmark]: Boogie Preprocessor took 28.58 ms. Allocated memory is still 90.2 MB. Free memory was 67.5 MB in the beginning and 66.8 MB in the end (delta: 737.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:50,622 INFO L168 Benchmark]: RCFGBuilder took 228.38 ms. Allocated memory is still 90.2 MB. Free memory was 66.8 MB in the beginning and 59.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:50,623 INFO L168 Benchmark]: BuchiAutomizer took 533.66 ms. Allocated memory is still 90.2 MB. Free memory was 59.5 MB in the beginning and 43.1 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-28 02:58:50,624 INFO L168 Benchmark]: Witness Printer took 65.39 ms. Allocated memory is still 90.2 MB. Free memory was 43.1 MB in the beginning and 41.9 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 02:58:50,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory was 63.0 MB in the beginning and 63.0 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 204.13 ms. Allocated memory is still 90.2 MB. Free memory was 56.4 MB in the beginning and 68.9 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.27 ms. Allocated memory is still 90.2 MB. Free memory was 68.9 MB in the beginning and 67.5 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 28.58 ms. Allocated memory is still 90.2 MB. Free memory was 67.5 MB in the beginning and 66.8 MB in the end (delta: 737.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 228.38 ms. Allocated memory is still 90.2 MB. Free memory was 66.8 MB in the beginning and 59.5 MB in the end (delta: 7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 533.66 ms. Allocated memory is still 90.2 MB. Free memory was 59.5 MB in the beginning and 43.1 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 65.39 ms. Allocated memory is still 90.2 MB. Free memory was 43.1 MB in the beginning and 41.9 MB in the end (delta: 1.2 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 0.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.3s. 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...