./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a392558b157800b1e3eb593ecf3b38e4b620b365 ..................................................................................................................................................................................................................................................................... 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 0.1.25-9a8b2e8 [2020-10-20 06:35:11,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:35:11,213 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:35:11,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:35:11,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:35:11,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:35:11,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:35:11,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:35:11,279 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:35:11,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:35:11,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:35:11,287 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:35:11,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:35:11,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:35:11,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:35:11,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:35:11,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:35:11,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:35:11,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:35:11,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:35:11,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:35:11,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:35:11,316 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:35:11,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:35:11,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:35:11,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:35:11,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:35:11,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:35:11,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:35:11,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:35:11,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:35:11,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:35:11,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:35:11,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:35:11,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:35:11,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:35:11,344 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:35:11,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:35:11,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:35:11,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:35:11,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:35:11,348 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:35:11,402 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:35:11,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:35:11,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:35:11,406 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:35:11,406 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:35:11,406 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:35:11,406 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:35:11,406 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:35:11,407 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:35:11,407 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:35:11,409 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:35:11,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:35:11,409 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:35:11,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:35:11,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:35:11,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:35:11,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:35:11,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:35:11,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:35:11,411 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:35:11,411 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:35:11,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:35:11,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:35:11,412 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:35:11,412 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:35:11,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:35:11,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:35:11,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:35:11,413 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:35:11,414 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:35:11,414 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> a392558b157800b1e3eb593ecf3b38e4b620b365 [2020-10-20 06:35:11,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:35:11,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:35:11,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:35:11,645 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:35:11,646 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:35:11,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/ComplInterv2.c [2020-10-20 06:35:11,729 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c909b3fee/9c3343d503dd4af39c325ff270076377/FLAG8dc0ef432 [2020-10-20 06:35:12,330 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:35:12,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/ComplInterv2.c [2020-10-20 06:35:12,338 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c909b3fee/9c3343d503dd4af39c325ff270076377/FLAG8dc0ef432 [2020-10-20 06:35:12,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c909b3fee/9c3343d503dd4af39c325ff270076377 [2020-10-20 06:35:12,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:35:12,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:35:12,733 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:35:12,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:35:12,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:35:12,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:35:12" (1/1) ... [2020-10-20 06:35:12,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69cdf984 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:35:12, skipping insertion in model container [2020-10-20 06:35:12,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:35:12" (1/1) ... [2020-10-20 06:35:12,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:35:12,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:35:13,006 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:35:13,010 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:35:13,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:35:13,040 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:35:13,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:35:13 WrapperNode [2020-10-20 06:35:13,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:35:13,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:35:13,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:35:13,041 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:35:13,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:35:13" (1/1) ... [2020-10-20 06:35:13,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:35:13" (1/1) ... [2020-10-20 06:35:13,071 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:35:13,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:35:13,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:35:13,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:35:13,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:35:13" (1/1) ... [2020-10-20 06:35:13,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:35:13" (1/1) ... [2020-10-20 06:35:13,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:35:13" (1/1) ... [2020-10-20 06:35:13,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:35:13" (1/1) ... [2020-10-20 06:35:13,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:35:13" (1/1) ... [2020-10-20 06:35:13,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:35:13" (1/1) ... [2020-10-20 06:35:13,089 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:35:13" (1/1) ... [2020-10-20 06:35:13,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:35:13,090 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:35:13,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:35:13,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:35:13,092 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:35:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 06:35:13,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:35:13,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:35:13,326 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:35:13,327 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:35:13,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:35:13 BoogieIcfgContainer [2020-10-20 06:35:13,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:35:13,330 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:35:13,330 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:35:13,334 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:35:13,335 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:35:13,335 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:35:12" (1/3) ... [2020-10-20 06:35:13,337 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ec1092a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:35:13, skipping insertion in model container [2020-10-20 06:35:13,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:35:13,337 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:35:13" (2/3) ... [2020-10-20 06:35:13,337 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ec1092a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:35:13, skipping insertion in model container [2020-10-20 06:35:13,338 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:35:13,338 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:35:13" (3/3) ... [2020-10-20 06:35:13,340 INFO L373 chiAutomizerObserver]: Analyzing ICFG ComplInterv2.c [2020-10-20 06:35:13,395 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:35:13,395 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:35:13,395 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:35:13,395 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:35:13,396 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:35:13,396 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:35:13,396 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:35:13,396 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:35:13,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-10-20 06:35:13,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:35:13,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:35:13,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:35:13,443 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:35:13,443 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:35:13,443 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:35:13,444 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-10-20 06:35:13,445 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-20 06:35:13,445 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:35:13,445 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:35:13,446 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:35:13,446 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:35:13,452 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 9#L10-1true [2020-10-20 06:35:13,453 INFO L796 eck$LassoCheckResult]: Loop: 9#L10-1true assume !!(0 != main_~i~0); 3#L10true assume !(main_~i~0 > -5 && main_~i~0 < 5); 9#L10-1true [2020-10-20 06:35:13,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:35:13,459 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-10-20 06:35:13,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:35:13,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036093410] [2020-10-20 06:35:13,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:35:13,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:35:13,545 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:35:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:35:13,549 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:35:13,569 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:35:13,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:35:13,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1298, now seen corresponding path program 1 times [2020-10-20 06:35:13,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:35:13,572 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881994639] [2020-10-20 06:35:13,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:35:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:35:13,579 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:35:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:35:13,583 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:35:13,584 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:35:13,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:35:13,586 INFO L82 PathProgramCache]: Analyzing trace with hash 31089, now seen corresponding path program 1 times [2020-10-20 06:35:13,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:35:13,587 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298526056] [2020-10-20 06:35:13,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:35:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:35:13,593 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:35:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:35:13,597 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:35:13,599 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:35:13,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:35:13 BoogieIcfgContainer [2020-10-20 06:35:13,727 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:35:13,728 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:35:13,728 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:35:13,729 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:35:13,729 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:35:13" (3/4) ... [2020-10-20 06:35:13,734 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-10-20 06:35:13,842 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:35:13,843 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:35:13,848 INFO L168 Benchmark]: Toolchain (without parser) took 1118.10 ms. Allocated memory was 41.9 MB in the beginning and 44.0 MB in the end (delta: 2.1 MB). Free memory was 21.0 MB in the beginning and 19.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 3.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:35:13,852 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 31.5 MB. Free memory was 8.4 MB in the beginning and 8.3 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:35:13,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.53 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 20.2 MB in the beginning and 22.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:35:13,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.39 ms. Allocated memory is still 42.5 MB. Free memory was 22.1 MB in the beginning and 20.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:35:13,859 INFO L168 Benchmark]: Boogie Preprocessor took 18.25 ms. Allocated memory is still 42.5 MB. Free memory was 20.7 MB in the beginning and 19.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:35:13,861 INFO L168 Benchmark]: RCFGBuilder took 238.68 ms. Allocated memory was 42.5 MB in the beginning and 43.5 MB in the end (delta: 1.0 MB). Free memory was 19.4 MB in the beginning and 25.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:35:13,863 INFO L168 Benchmark]: BuchiAutomizer took 397.09 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 25.4 MB in the beginning and 21.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 15.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:35:13,864 INFO L168 Benchmark]: Witness Printer took 114.79 ms. Allocated memory is still 44.0 MB. Free memory was 21.3 MB in the beginning and 19.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:35:13,877 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 31.5 MB. Free memory was 8.4 MB in the beginning and 8.3 MB in the end (delta: 65.6 kB). There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 307.53 ms. Allocated memory was 41.9 MB in the beginning and 42.5 MB in the end (delta: 524.3 kB). Free memory was 20.2 MB in the beginning and 22.2 MB in the end (delta: -2.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 30.39 ms. Allocated memory is still 42.5 MB. Free memory was 22.1 MB in the beginning and 20.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 18.25 ms. Allocated memory is still 42.5 MB. Free memory was 20.7 MB in the beginning and 19.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 238.68 ms. Allocated memory was 42.5 MB in the beginning and 43.5 MB in the end (delta: 1.0 MB). Free memory was 19.4 MB in the beginning and 25.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 397.09 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 25.4 MB in the beginning and 21.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 15.5 MB. Max. memory is 14.3 GB. * Witness Printer took 114.79 ms. Allocated memory is still 44.0 MB. Free memory was 21.3 MB in the beginning and 19.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 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 {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69ed1ab=0, \result=0, i=5} - 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 = __VERIFIER_nondet_int() Loop: [L9] COND TRUE i != 0 [L10] COND FALSE !(i > -5 && i < 5) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...