./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/condmf.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/condmf.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e84fa47d445c1764a4d529303801930082611d3b ................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 18:35:50,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:35:50,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:35:50,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:35:50,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:35:50,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:35:50,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:35:50,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:35:50,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:35:50,627 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:35:50,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:35:50,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:35:50,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:35:50,636 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:35:50,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:35:50,640 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:35:50,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:35:50,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:35:50,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:35:50,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:35:50,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:35:50,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:35:50,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:35:50,667 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:35:50,670 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:35:50,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:35:50,671 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:35:50,672 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:35:50,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:35:50,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:35:50,675 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:35:50,676 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:35:50,677 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:35:50,678 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:35:50,679 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:35:50,679 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:35:50,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:35:50,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:35:50,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:35:50,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:35:50,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:35:50,683 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 18:35:50,708 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:35:50,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:35:50,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:35:50,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:35:50,710 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:35:50,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:35:50,711 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:35:50,711 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:35:50,711 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:35:50,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:35:50,712 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:35:50,712 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:35:50,712 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:35:50,712 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:35:50,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:35:50,713 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:35:50,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:35:50,713 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:35:50,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:35:50,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:35:50,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:35:50,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:35:50,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:35:50,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:35:50,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:35:50,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:35:50,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:35:50,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:35:50,716 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:35:50,716 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e84fa47d445c1764a4d529303801930082611d3b [2020-11-29 18:35:51,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:35:51,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:35:51,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:35:51,080 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:35:51,081 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:35:51,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer/../../sv-benchmarks/c/array-fpi/condmf.c [2020-11-29 18:35:51,196 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer/data/bd613d43b/2ec46c1ee5ec4f42b20fdef06e73e366/FLAG38dddf326 [2020-11-29 18:35:51,660 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:35:51,660 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/sv-benchmarks/c/array-fpi/condmf.c [2020-11-29 18:35:51,667 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer/data/bd613d43b/2ec46c1ee5ec4f42b20fdef06e73e366/FLAG38dddf326 [2020-11-29 18:35:52,055 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer/data/bd613d43b/2ec46c1ee5ec4f42b20fdef06e73e366 [2020-11-29 18:35:52,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:35:52,064 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:35:52,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:35:52,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:35:52,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:35:52,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:52" (1/1) ... [2020-11-29 18:35:52,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51dff975 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:52, skipping insertion in model container [2020-11-29 18:35:52,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:35:52" (1/1) ... [2020-11-29 18:35:52,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:35:52,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:35:52,330 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:35:52,349 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:35:52,391 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:35:52,413 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:35:52,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:52 WrapperNode [2020-11-29 18:35:52,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:35:52,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:35:52,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:35:52,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:35:52,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:52" (1/1) ... [2020-11-29 18:35:52,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:52" (1/1) ... [2020-11-29 18:35:52,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:35:52,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:35:52,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:35:52,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:35:52,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:52" (1/1) ... [2020-11-29 18:35:52,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:52" (1/1) ... [2020-11-29 18:35:52,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:52" (1/1) ... [2020-11-29 18:35:52,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:52" (1/1) ... [2020-11-29 18:35:52,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:52" (1/1) ... [2020-11-29 18:35:52,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:52" (1/1) ... [2020-11-29 18:35:52,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:52" (1/1) ... [2020-11-29 18:35:52,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:35:52,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:35:52,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:35:52,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:35:52,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:35:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:35:52,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:35:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 18:35:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-29 18:35:52,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:35:52,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:35:52,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 18:35:53,031 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:35:53,031 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-11-29 18:35:53,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:35:53 BoogieIcfgContainer [2020-11-29 18:35:53,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:35:53,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:35:53,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:35:53,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:35:53,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:35:52" (1/3) ... [2020-11-29 18:35:53,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4891d43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:35:53, skipping insertion in model container [2020-11-29 18:35:53,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:35:52" (2/3) ... [2020-11-29 18:35:53,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4891d43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:35:53, skipping insertion in model container [2020-11-29 18:35:53,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:35:53" (3/3) ... [2020-11-29 18:35:53,041 INFO L111 eAbstractionObserver]: Analyzing ICFG condmf.c [2020-11-29 18:35:53,051 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:35:53,056 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 18:35:53,067 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 18:35:53,096 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:35:53,097 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:35:53,097 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:35:53,097 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:35:53,097 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:35:53,098 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:35:53,098 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:35:53,098 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:35:53,125 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-11-29 18:35:53,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 18:35:53,129 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:35:53,130 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:35:53,130 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:35:53,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:35:53,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1828392228, now seen corresponding path program 1 times [2020-11-29 18:35:53,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:35:53,145 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623507688] [2020-11-29 18:35:53,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:35:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:53,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:53,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623507688] [2020-11-29 18:35:53,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:35:53,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 18:35:53,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188496596] [2020-11-29 18:35:53,300 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 18:35:53,300 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:35:53,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 18:35:53,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:35:53,318 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2020-11-29 18:35:53,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:35:53,336 INFO L93 Difference]: Finished difference Result 41 states and 57 transitions. [2020-11-29 18:35:53,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 18:35:53,338 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-11-29 18:35:53,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:35:53,347 INFO L225 Difference]: With dead ends: 41 [2020-11-29 18:35:53,347 INFO L226 Difference]: Without dead ends: 18 [2020-11-29 18:35:53,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 18:35:53,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-11-29 18:35:53,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-11-29 18:35:53,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-29 18:35:53,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2020-11-29 18:35:53,387 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 21 transitions. Word has length 12 [2020-11-29 18:35:53,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:35:53,387 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-11-29 18:35:53,388 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 18:35:53,388 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2020-11-29 18:35:53,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-29 18:35:53,389 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:35:53,389 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:35:53,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:35:53,390 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:35:53,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:35:53,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1148333858, now seen corresponding path program 1 times [2020-11-29 18:35:53,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:35:53,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278707680] [2020-11-29 18:35:53,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:35:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 18:35:53,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 18:35:53,496 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278707680] [2020-11-29 18:35:53,496 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 18:35:53,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-29 18:35:53,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229820904] [2020-11-29 18:35:53,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-29 18:35:53,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 18:35:53,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-29 18:35:53,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:35:53,500 INFO L87 Difference]: Start difference. First operand 18 states and 21 transitions. Second operand 4 states. [2020-11-29 18:35:53,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 18:35:53,599 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2020-11-29 18:35:53,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-29 18:35:53,600 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-11-29 18:35:53,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 18:35:53,601 INFO L225 Difference]: With dead ends: 40 [2020-11-29 18:35:53,602 INFO L226 Difference]: Without dead ends: 29 [2020-11-29 18:35:53,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-29 18:35:53,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-29 18:35:53,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 20. [2020-11-29 18:35:53,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2020-11-29 18:35:53,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2020-11-29 18:35:53,609 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 12 [2020-11-29 18:35:53,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 18:35:53,610 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2020-11-29 18:35:53,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-29 18:35:53,610 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2020-11-29 18:35:53,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-29 18:35:53,611 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:35:53,611 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 18:35:53,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 18:35:53,612 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 18:35:53,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:35:53,613 INFO L82 PathProgramCache]: Analyzing trace with hash -2142875084, now seen corresponding path program 1 times [2020-11-29 18:35:53,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:35:53,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270340894] [2020-11-29 18:35:53,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:35:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:35:53,711 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:35:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:35:53,816 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:35:53,845 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:35:53,845 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 18:35:53,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-29 18:35:53,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:35:53 BoogieIcfgContainer [2020-11-29 18:35:53,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:35:53,887 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:35:53,887 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:35:53,887 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:35:53,888 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:35:53" (3/4) ... [2020-11-29 18:35:53,890 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 18:35:53,943 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e9f89633-ca5f-46fc-bc16-596b2253b2df/bin/uautomizer/witness.graphml [2020-11-29 18:35:53,943 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:35:53,945 INFO L168 Benchmark]: Toolchain (without parser) took 1880.02 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 61.8 MB in the beginning and 72.1 MB in the end (delta: -10.3 MB). Peak memory consumption was 23.9 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:53,946 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 92.3 MB. Free memory was 53.1 MB in the beginning and 53.0 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:35:53,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.90 ms. Allocated memory is still 92.3 MB. Free memory was 61.6 MB in the beginning and 68.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:53,948 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.55 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 67.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:53,948 INFO L168 Benchmark]: Boogie Preprocessor took 59.09 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 65.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:53,949 INFO L168 Benchmark]: RCFGBuilder took 477.02 ms. Allocated memory is still 92.3 MB. Free memory was 65.9 MB in the beginning and 51.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:53,950 INFO L168 Benchmark]: TraceAbstraction took 851.07 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 51.2 MB in the beginning and 75.1 MB in the end (delta: -23.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:53,951 INFO L168 Benchmark]: Witness Printer took 56.63 ms. Allocated memory is still 125.8 MB. Free memory was 74.8 MB in the beginning and 72.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 18:35:53,955 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 92.3 MB. Free memory was 53.1 MB in the beginning and 53.0 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 346.90 ms. Allocated memory is still 92.3 MB. Free memory was 61.6 MB in the beginning and 68.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 78.55 ms. Allocated memory is still 92.3 MB. Free memory was 68.9 MB in the beginning and 67.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.09 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 65.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 477.02 ms. Allocated memory is still 92.3 MB. Free memory was 65.9 MB in the beginning and 51.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 851.07 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 51.2 MB in the beginning and 75.1 MB in the end (delta: -23.8 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Witness Printer took 56.63 ms. Allocated memory is still 125.8 MB. Free memory was 74.8 MB in the beginning and 72.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 10]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L13] COND FALSE !(!cond) VAL [N=1] [L27] int i; [L28] int *a = malloc(sizeof(int)*N); [L30] i = 0 VAL [N=1] [L30] COND TRUE i < N [L32] a[i] = 0 VAL [N=1] [L30] i++ VAL [N=1] [L30] COND FALSE !(i < N) VAL [N=1] [L35] i = 0 VAL [N=1] [L35] COND TRUE i < N VAL [N=1] [L37] COND TRUE N%2 == 1 [L39] EXPR a[i] [L39] a[i] = a[i] + 2 [L35] i++ VAL [N=1] [L35] COND FALSE !(i < N) VAL [N=1] [L47] i = 0 VAL [N=1] [L47] COND TRUE i < N [L49] a[i] [L15] COND TRUE !(cond) VAL [N=1] [L10] __assert_fail("0", "condmf.c", 10, "reach_error") VAL [N=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 36 SDtfs, 35 SDslu, 5 SDs, 0 SdLazy, 24 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 9 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 352 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...