./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/jain_2-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/jain_2-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfb9d8bb2ba96e78682a989bb7688fcf702b4bc4 ......................................................................................................................................................................................................................................................................... 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 0.1.24-cad4683 [2019-11-15 19:55:20,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 19:55:20,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 19:55:20,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 19:55:20,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 19:55:20,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 19:55:20,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 19:55:20,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 19:55:20,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 19:55:20,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 19:55:20,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 19:55:20,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 19:55:20,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 19:55:20,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 19:55:20,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 19:55:20,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 19:55:20,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 19:55:20,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 19:55:20,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 19:55:20,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 19:55:20,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 19:55:20,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 19:55:20,651 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 19:55:20,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 19:55:20,655 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 19:55:20,655 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 19:55:20,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 19:55:20,656 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 19:55:20,657 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 19:55:20,658 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 19:55:20,658 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 19:55:20,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 19:55:20,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 19:55:20,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 19:55:20,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 19:55:20,662 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 19:55:20,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 19:55:20,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 19:55:20,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 19:55:20,664 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 19:55:20,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 19:55:20,665 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 19:55:20,681 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 19:55:20,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 19:55:20,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 19:55:20,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 19:55:20,683 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 19:55:20,684 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 19:55:20,684 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 19:55:20,684 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 19:55:20,684 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 19:55:20,685 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 19:55:20,685 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 19:55:20,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 19:55:20,685 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 19:55:20,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 19:55:20,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 19:55:20,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 19:55:20,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 19:55:20,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 19:55:20,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 19:55:20,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 19:55:20,687 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 19:55:20,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 19:55:20,687 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 19:55:20,688 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 19:55:20,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 19:55:20,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 19:55:20,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 19:55:20,689 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 19:55:20,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 19:55:20,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 19:55:20,689 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 19:55:20,690 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 19:55:20,690 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfb9d8bb2ba96e78682a989bb7688fcf702b4bc4 [2019-11-15 19:55:20,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 19:55:20,734 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 19:55:20,737 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 19:55:20,738 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 19:55:20,738 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 19:55:20,739 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/bin/uautomizer/../../sv-benchmarks/c/bitvector/jain_2-1.c [2019-11-15 19:55:20,800 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/bin/uautomizer/data/1a64f90e9/3263a620054f4bceac619cc4b6692abc/FLAG74786adb0 [2019-11-15 19:55:21,188 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 19:55:21,188 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/sv-benchmarks/c/bitvector/jain_2-1.c [2019-11-15 19:55:21,193 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/bin/uautomizer/data/1a64f90e9/3263a620054f4bceac619cc4b6692abc/FLAG74786adb0 [2019-11-15 19:55:21,205 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/bin/uautomizer/data/1a64f90e9/3263a620054f4bceac619cc4b6692abc [2019-11-15 19:55:21,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 19:55:21,210 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 19:55:21,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 19:55:21,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 19:55:21,214 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 19:55:21,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 07:55:21" (1/1) ... [2019-11-15 19:55:21,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc876a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:55:21, skipping insertion in model container [2019-11-15 19:55:21,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 07:55:21" (1/1) ... [2019-11-15 19:55:21,226 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 19:55:21,240 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 19:55:21,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 19:55:21,432 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 19:55:21,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 19:55:21,458 INFO L192 MainTranslator]: Completed translation [2019-11-15 19:55:21,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:55:21 WrapperNode [2019-11-15 19:55:21,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 19:55:21,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 19:55:21,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 19:55:21,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 19:55:21,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:55:21" (1/1) ... [2019-11-15 19:55:21,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:55:21" (1/1) ... [2019-11-15 19:55:21,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 19:55:21,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 19:55:21,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 19:55:21,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 19:55:21,499 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:55:21" (1/1) ... [2019-11-15 19:55:21,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:55:21" (1/1) ... [2019-11-15 19:55:21,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:55:21" (1/1) ... [2019-11-15 19:55:21,500 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:55:21" (1/1) ... [2019-11-15 19:55:21,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:55:21" (1/1) ... [2019-11-15 19:55:21,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:55:21" (1/1) ... [2019-11-15 19:55:21,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:55:21" (1/1) ... [2019-11-15 19:55:21,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 19:55:21,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 19:55:21,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 19:55:21,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 19:55:21,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:55:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/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 [2019-11-15 19:55:21,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 19:55:21,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 19:55:21,739 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 19:55:21,739 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 19:55:21,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:55:21 BoogieIcfgContainer [2019-11-15 19:55:21,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 19:55:21,741 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 19:55:21,741 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 19:55:21,745 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 19:55:21,746 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 19:55:21,746 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 07:55:21" (1/3) ... [2019-11-15 19:55:21,748 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e7ea086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 07:55:21, skipping insertion in model container [2019-11-15 19:55:21,749 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 19:55:21,749 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 07:55:21" (2/3) ... [2019-11-15 19:55:21,749 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e7ea086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 07:55:21, skipping insertion in model container [2019-11-15 19:55:21,749 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 19:55:21,749 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:55:21" (3/3) ... [2019-11-15 19:55:21,751 INFO L371 chiAutomizerObserver]: Analyzing ICFG jain_2-1.c [2019-11-15 19:55:21,796 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 19:55:21,796 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 19:55:21,796 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 19:55:21,796 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 19:55:21,796 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 19:55:21,797 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 19:55:21,797 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 19:55:21,797 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 19:55:21,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-15 19:55:21,825 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 19:55:21,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 19:55:21,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 19:55:21,831 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 19:55:21,831 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-15 19:55:21,831 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 19:55:21,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-11-15 19:55:21,832 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 19:55:21,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 19:55:21,832 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 19:55:21,832 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 19:55:21,832 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-15 19:55:21,839 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := 1;main_~y~0 := 1; 8#L5-2true [2019-11-15 19:55:21,840 INFO L793 eck$LassoCheckResult]: Loop: 8#L5-2true assume !false;main_~x~0 := main_~x~0 + 2 * main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_~y~0 + 2 * main_#t~nondet1;havoc main_#t~nondet1;__VERIFIER_assert_#in~cond := (if 1 != (main_~x~0 + main_~y~0) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 4#L5true assume !(0 == __VERIFIER_assert_~cond); 8#L5-2true [2019-11-15 19:55:21,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:55:21,846 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-15 19:55:21,855 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:55:21,855 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661775] [2019-11-15 19:55:21,856 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:55:21,856 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:55:21,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:55:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:55:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:55:21,950 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:55:21,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:55:21,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1288, now seen corresponding path program 1 times [2019-11-15 19:55:21,952 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:55:21,953 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873056621] [2019-11-15 19:55:21,953 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:55:21,953 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:55:21,953 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:55:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:55:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:55:22,001 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:55:22,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 19:55:22,005 INFO L82 PathProgramCache]: Analyzing trace with hash 31079, now seen corresponding path program 1 times [2019-11-15 19:55:22,005 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 19:55:22,006 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757256938] [2019-11-15 19:55:22,006 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:55:22,006 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 19:55:22,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 19:55:22,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:55:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 19:55:22,046 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 19:55:22,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 07:55:22 BoogieIcfgContainer [2019-11-15 19:55:22,190 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 19:55:22,191 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 19:55:22,191 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 19:55:22,191 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 19:55:22,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 07:55:21" (3/4) ... [2019-11-15 19:55:22,206 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-15 19:55:22,247 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_eb48b9f5-81eb-446f-98b6-98742f4af901/bin/uautomizer/witness.graphml [2019-11-15 19:55:22,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 19:55:22,249 INFO L168 Benchmark]: Toolchain (without parser) took 1038.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 19:55:22,249 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 19:55:22,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-15 19:55:22,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.27 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. [2019-11-15 19:55:22,251 INFO L168 Benchmark]: Boogie Preprocessor took 18.08 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. [2019-11-15 19:55:22,252 INFO L168 Benchmark]: RCFGBuilder took 231.62 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-15 19:55:22,252 INFO L168 Benchmark]: BuchiAutomizer took 449.52 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: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-15 19:55:22,252 INFO L168 Benchmark]: Witness Printer took 56.39 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. [2019-11-15 19:55:22,255 INFO L335 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 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 248.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.7 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.27 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. * Boogie Preprocessor took 18.08 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. * RCFGBuilder took 231.62 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 449.52 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: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Witness Printer took 56.39 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 0.3s 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: 1]: 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 {cond=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70244aed=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@473a9808=0, \old(cond)=1, x=1, y=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 4]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L12] unsigned int x,y; [L14] x = 1U [L15] y = 1U Loop: [L17] COND TRUE 1 [L19] x = x +2U*__VERIFIER_nondet_uint() [L20] y = y +2U*__VERIFIER_nondet_uint() [L5] COND FALSE !(!(cond)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...