./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/jain_1-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/bitvector/jain_1-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash b63c01de64b0e8f54262c6aa115373f8a8213c94 ............................................................................................................................................................................................................................................................................ 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 0.1.25-906a4fb [2020-10-19 18:52:22,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:52:22,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:52:22,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:52:22,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:52:22,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:52:22,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:52:22,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:52:22,582 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:52:22,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:52:22,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:52:22,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:52:22,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:52:22,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:52:22,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:52:22,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:52:22,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:52:22,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:52:22,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:52:22,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:52:22,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:52:22,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:52:22,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:52:22,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:52:22,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:52:22,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:52:22,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:52:22,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:52:22,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:52:22,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:52:22,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:52:22,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:52:22,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:52:22,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:52:22,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:52:22,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:52:22,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:52:22,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:52:22,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:52:22,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:52:22,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:52:22,631 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 18:52:22,676 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:52:22,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:52:22,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:52:22,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:52:22,679 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:52:22,680 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 18:52:22,680 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 18:52:22,680 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 18:52:22,680 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 18:52:22,681 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 18:52:22,682 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 18:52:22,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:52:22,682 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:52:22,683 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:52:22,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:52:22,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:52:22,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:52:22,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 18:52:22,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 18:52:22,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 18:52:22,685 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:52:22,685 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:52:22,685 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 18:52:22,686 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:52:22,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 18:52:22,686 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:52:22,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:52:22,687 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 18:52:22,687 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:52:22,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:52:22,688 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:52:22,688 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 18:52:22,690 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 18:52:22,690 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b63c01de64b0e8f54262c6aa115373f8a8213c94 [2020-10-19 18:52:22,987 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:52:22,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:52:23,002 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:52:23,003 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:52:23,004 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:52:23,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/jain_1-1.c [2020-10-19 18:52:23,060 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9700eb6b9/a8e957e076b54140bc993a4626ba6cad/FLAGff4795767 [2020-10-19 18:52:23,486 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:52:23,486 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/jain_1-1.c [2020-10-19 18:52:23,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9700eb6b9/a8e957e076b54140bc993a4626ba6cad/FLAGff4795767 [2020-10-19 18:52:23,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9700eb6b9/a8e957e076b54140bc993a4626ba6cad [2020-10-19 18:52:23,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:52:23,899 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:52:23,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:52:23,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:52:23,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:52:23,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:52:23" (1/1) ... [2020-10-19 18:52:23,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ec7849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:52:23, skipping insertion in model container [2020-10-19 18:52:23,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:52:23" (1/1) ... [2020-10-19 18:52:23,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:52:23,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:52:24,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:52:24,094 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:52:24,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:52:24,125 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:52:24,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:52:24 WrapperNode [2020-10-19 18:52:24,126 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:52:24,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:52:24,127 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:52:24,127 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:52:24,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:52:24" (1/1) ... [2020-10-19 18:52:24,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:52:24" (1/1) ... [2020-10-19 18:52:24,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:52:24,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:52:24,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:52:24,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:52:24,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:52:24" (1/1) ... [2020-10-19 18:52:24,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:52:24" (1/1) ... [2020-10-19 18:52:24,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:52:24" (1/1) ... [2020-10-19 18:52:24,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:52:24" (1/1) ... [2020-10-19 18:52:24,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:52:24" (1/1) ... [2020-10-19 18:52:24,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:52:24" (1/1) ... [2020-10-19 18:52:24,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:52:24" (1/1) ... [2020-10-19 18:52:24,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:52:24,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:52:24,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:52:24,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:52:24,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:52:24" (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 [2020-10-19 18:52:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:52:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:52:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 18:52:24,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:52:24,490 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:52:24,490 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 18:52:24,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:52:24 BoogieIcfgContainer [2020-10-19 18:52:24,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:52:24,493 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 18:52:24,493 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 18:52:24,497 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 18:52:24,498 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:52:24,498 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 06:52:23" (1/3) ... [2020-10-19 18:52:24,499 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f177ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:52:24, skipping insertion in model container [2020-10-19 18:52:24,499 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:52:24,499 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:52:24" (2/3) ... [2020-10-19 18:52:24,500 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f177ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 06:52:24, skipping insertion in model container [2020-10-19 18:52:24,500 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 18:52:24,500 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:52:24" (3/3) ... [2020-10-19 18:52:24,502 INFO L373 chiAutomizerObserver]: Analyzing ICFG jain_1-1.c [2020-10-19 18:52:24,561 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 18:52:24,561 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 18:52:24,562 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 18:52:24,562 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:52:24,562 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:52:24,563 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 18:52:24,563 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:52:24,563 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 18:52:24,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-19 18:52:24,608 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:52:24,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:52:24,609 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:52:24,616 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 18:52:24,617 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:52:24,617 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 18:52:24,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2020-10-19 18:52:24,618 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2020-10-19 18:52:24,619 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 18:52:24,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 18:52:24,619 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-19 18:52:24,619 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-19 18:52:24,629 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 3#L-1true havoc main_#res;havoc main_#t~nondet7, main_~y~0;havoc main_~y~0;main_~y~0 := 1; 5#L7-2true [2020-10-19 18:52:24,629 INFO L796 eck$LassoCheckResult]: Loop: 5#L7-2true assume !false;main_~y~0 := main_~y~0 + 2 * main_#t~nondet7;havoc main_#t~nondet7;__VERIFIER_assert_#in~cond := (if 0 != main_~y~0 % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 8#L7true assume !(0 == __VERIFIER_assert_~cond); 5#L7-2true [2020-10-19 18:52:24,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:52:24,637 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-19 18:52:24,647 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:52:24,647 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469240868] [2020-10-19 18:52:24,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:52:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:52:24,798 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:52:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:52:24,813 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:52:24,835 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:52:24,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:52:24,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1322, now seen corresponding path program 1 times [2020-10-19 18:52:24,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:52:24,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151112975] [2020-10-19 18:52:24,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:52:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:52:24,856 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:52:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:52:24,870 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:52:24,873 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:52:24,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 18:52:24,875 INFO L82 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2020-10-19 18:52:24,875 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 18:52:24,876 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518395254] [2020-10-19 18:52:24,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 18:52:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:52:24,894 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:52:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 18:52:24,920 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 18:52:24,930 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 18:52:25,200 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2020-10-19 18:52:25,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 06:52:25 BoogieIcfgContainer [2020-10-19 18:52:25,307 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 18:52:25,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:52:25,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:52:25,308 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:52:25,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:52:24" (3/4) ... [2020-10-19 18:52:25,314 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-10-19 18:52:25,378 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:52:25,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:52:25,382 INFO L168 Benchmark]: Toolchain (without parser) took 1487.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -109.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:52:25,388 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:52:25,389 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.96 ms. Allocated memory is still 1.0 GB. Free memory was 955.9 MB in the beginning and 945.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:52:25,390 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -192.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:52:25,391 INFO L168 Benchmark]: Boogie Preprocessor took 17.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:52:25,392 INFO L168 Benchmark]: RCFGBuilder took 255.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2020-10-19 18:52:25,392 INFO L168 Benchmark]: BuchiAutomizer took 814.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:52:25,395 INFO L168 Benchmark]: Witness Printer took 70.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:52:25,405 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 225.96 ms. Allocated memory is still 1.0 GB. Free memory was 955.9 MB in the beginning and 945.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.6 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -192.5 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 255.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 814.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.8 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. * Witness Printer took 70.89 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 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 0.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. 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: 1]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1184} State at position 1 is {cond=1, NULL=0, NULL=0, NULL=0, NULL=1187, NULL=0, \result=0, NULL=1185, NULL=1184, \old(cond)=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3bdae5a=0, NULL=0, y=1, NULL=1186} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 6]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L14] unsigned int y; [L16] y = 1U Loop: [L18] COND TRUE 1 [L20] y = y +2U*__VERIFIER_nondet_uint() [L7] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...