./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_while_int.i --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_8732cc2f-fe20-49cd-9b0a-035c05018baf/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_while_int.i -s /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/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 c7eba07debb0aad75be3d6c81175278352db792c ............................................................................................................................................................................................................................................................................................................................... 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 [2020-11-28 03:17:43,477 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:17:43,479 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:17:43,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:17:43,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:17:43,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:17:43,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:17:43,540 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:17:43,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:17:43,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:17:43,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:17:43,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:17:43,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:17:43,558 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:17:43,559 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:17:43,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:17:43,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:17:43,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:17:43,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:17:43,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:17:43,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:17:43,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:17:43,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:17:43,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:17:43,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:17:43,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:17:43,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:17:43,599 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:17:43,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:17:43,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:17:43,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:17:43,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:17:43,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:17:43,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:17:43,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:17:43,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:17:43,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:17:43,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:17:43,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:17:43,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:17:43,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:17:43,613 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:17:43,649 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:17:43,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:17:43,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:17:43,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:17:43,651 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:17:43,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:17:43,652 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:17:43,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:17:43,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:17:43,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:17:43,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:17:43,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:17:43,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:17:43,654 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:17:43,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:17:43,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:17:43,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:17:43,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:17:43,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:17:43,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:17:43,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:17:43,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:17:43,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:17:43,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:17:43,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:17:43,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:17:43,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:17:43,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:17:43,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:17:43,657 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_8732cc2f-fe20-49cd-9b0a-035c05018baf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7eba07debb0aad75be3d6c81175278352db792c [2020-11-28 03:17:43,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:17:43,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:17:43,930 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:17:43,932 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:17:43,935 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:17:43,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/bin/uautomizer/../../sv-benchmarks/c/ldv-regression/test_while_int.i [2020-11-28 03:17:44,041 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/bin/uautomizer/data/f382e8d03/1424db8e975244c988d89af3c57f28f2/FLAG50bf51fec [2020-11-28 03:17:44,428 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:17:44,429 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/sv-benchmarks/c/ldv-regression/test_while_int.i [2020-11-28 03:17:44,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/bin/uautomizer/data/f382e8d03/1424db8e975244c988d89af3c57f28f2/FLAG50bf51fec [2020-11-28 03:17:44,849 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/bin/uautomizer/data/f382e8d03/1424db8e975244c988d89af3c57f28f2 [2020-11-28 03:17:44,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:17:44,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:17:44,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:44,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:17:44,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:17:44,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:44" (1/1) ... [2020-11-28 03:17:44,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bfefeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:44, skipping insertion in model container [2020-11-28 03:17:44,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:44" (1/1) ... [2020-11-28 03:17:44,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:17:44,883 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:17:45,024 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:45,045 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:17:45,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:17:45,075 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:17:45,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45 WrapperNode [2020-11-28 03:17:45,075 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:17:45,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:45,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:17:45,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:17:45,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:17:45,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:17:45,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:17:45,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:17:45,114 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,115 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... [2020-11-28 03:17:45,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:17:45,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:17:45,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:17:45,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:17:45,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/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 [2020-11-28 03:17:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:17:45,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:17:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:17:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:17:45,366 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:17:45,366 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-28 03:17:45,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:45 BoogieIcfgContainer [2020-11-28 03:17:45,368 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:17:45,370 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:17:45,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:17:45,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:17:45,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:17:44" (1/3) ... [2020-11-28 03:17:45,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b48df62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:45, skipping insertion in model container [2020-11-28 03:17:45,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:45" (2/3) ... [2020-11-28 03:17:45,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b48df62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:17:45, skipping insertion in model container [2020-11-28 03:17:45,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:45" (3/3) ... [2020-11-28 03:17:45,376 INFO L111 eAbstractionObserver]: Analyzing ICFG test_while_int.i [2020-11-28 03:17:45,387 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:17:45,390 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:17:45,402 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:17:45,423 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:17:45,423 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:17:45,423 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:17:45,423 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:17:45,423 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:17:45,423 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:17:45,423 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:17:45,424 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:17:45,454 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-11-28 03:17:45,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-28 03:17:45,463 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:45,464 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-28 03:17:45,464 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:45,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:45,474 INFO L82 PathProgramCache]: Analyzing trace with hash 28699818, now seen corresponding path program 1 times [2020-11-28 03:17:45,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:45,491 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838149685] [2020-11-28 03:17:45,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:45,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838149685] [2020-11-28 03:17:45,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:17:45,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:17:45,669 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051023116] [2020-11-28 03:17:45,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-28 03:17:45,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:45,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:17:45,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:17:45,691 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 4 states. [2020-11-28 03:17:45,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:45,752 INFO L93 Difference]: Finished difference Result 21 states and 28 transitions. [2020-11-28 03:17:45,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:17:45,753 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 5 [2020-11-28 03:17:45,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:45,760 INFO L225 Difference]: With dead ends: 21 [2020-11-28 03:17:45,760 INFO L226 Difference]: Without dead ends: 8 [2020-11-28 03:17:45,763 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:17:45,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-11-28 03:17:45,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-11-28 03:17:45,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-11-28 03:17:45,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2020-11-28 03:17:45,794 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 5 [2020-11-28 03:17:45,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:45,794 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2020-11-28 03:17:45,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-28 03:17:45,795 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2020-11-28 03:17:45,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 03:17:45,795 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:45,795 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2020-11-28 03:17:45,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:17:45,796 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:45,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:45,797 INFO L82 PathProgramCache]: Analyzing trace with hash 1810655527, now seen corresponding path program 1 times [2020-11-28 03:17:45,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:45,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121722126] [2020-11-28 03:17:45,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:45,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:45,894 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:45,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121722126] [2020-11-28 03:17:45,895 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957233583] [2020-11-28 03:17:45,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-28 03:17:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:17:45,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:17:45,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:17:46,036 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-28 03:17:46,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:17:46,085 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-28 03:17:46,085 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2020-11-28 03:17:46,086 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70469922] [2020-11-28 03:17:46,086 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-28 03:17:46,086 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:17:46,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-28 03:17:46,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-11-28 03:17:46,088 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 7 states. [2020-11-28 03:17:46,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:17:46,124 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2020-11-28 03:17:46,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:17:46,125 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2020-11-28 03:17:46,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:17:46,125 INFO L225 Difference]: With dead ends: 13 [2020-11-28 03:17:46,126 INFO L226 Difference]: Without dead ends: 11 [2020-11-28 03:17:46,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:17:46,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2020-11-28 03:17:46,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2020-11-28 03:17:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-11-28 03:17:46,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2020-11-28 03:17:46,130 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 7 [2020-11-28 03:17:46,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:17:46,130 INFO L481 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2020-11-28 03:17:46,130 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-28 03:17:46,130 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2020-11-28 03:17:46,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 03:17:46,130 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:17:46,131 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-11-28 03:17:46,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2020-11-28 03:17:46,331 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:17:46,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:17:46,332 INFO L82 PathProgramCache]: Analyzing trace with hash 578140772, now seen corresponding path program 2 times [2020-11-28 03:17:46,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:17:46,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562730754] [2020-11-28 03:17:46,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:17:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:46,358 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:17:46,391 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:17:46,405 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:17:46,405 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:17:46,405 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:17:46,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:17:46 BoogieIcfgContainer [2020-11-28 03:17:46,425 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:17:46,426 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:17:46,426 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:17:46,426 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:17:46,426 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:45" (3/4) ... [2020-11-28 03:17:46,428 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:17:46,461 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8732cc2f-fe20-49cd-9b0a-035c05018baf/bin/uautomizer/witness.graphml [2020-11-28 03:17:46,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:17:46,463 INFO L168 Benchmark]: Toolchain (without parser) took 1608.70 ms. Allocated memory is still 117.4 MB. Free memory was 86.5 MB in the beginning and 38.1 MB in the end (delta: 48.4 MB). Peak memory consumption was 45.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:46,463 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 39.6 MB in the beginning and 39.5 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:46,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 216.41 ms. Allocated memory is still 117.4 MB. Free memory was 86.2 MB in the beginning and 94.8 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:46,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.33 ms. Allocated memory is still 117.4 MB. Free memory was 94.8 MB in the beginning and 94.0 MB in the end (delta: 758.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:17:46,465 INFO L168 Benchmark]: Boogie Preprocessor took 17.43 ms. Allocated memory is still 117.4 MB. Free memory was 94.0 MB in the beginning and 92.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:46,466 INFO L168 Benchmark]: RCFGBuilder took 243.17 ms. Allocated memory is still 117.4 MB. Free memory was 92.7 MB in the beginning and 82.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:46,467 INFO L168 Benchmark]: TraceAbstraction took 1055.62 ms. Allocated memory is still 117.4 MB. Free memory was 82.2 MB in the beginning and 40.3 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:46,468 INFO L168 Benchmark]: Witness Printer took 35.47 ms. Allocated memory is still 117.4 MB. Free memory was 40.3 MB in the beginning and 38.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:17:46,472 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 79.7 MB. Free memory was 39.6 MB in the beginning and 39.5 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 216.41 ms. Allocated memory is still 117.4 MB. Free memory was 86.2 MB in the beginning and 94.8 MB in the end (delta: -8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 29.33 ms. Allocated memory is still 117.4 MB. Free memory was 94.8 MB in the beginning and 94.0 MB in the end (delta: 758.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.43 ms. Allocated memory is still 117.4 MB. Free memory was 94.0 MB in the beginning and 92.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 243.17 ms. Allocated memory is still 117.4 MB. Free memory was 92.7 MB in the beginning and 82.2 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1055.62 ms. Allocated memory is still 117.4 MB. Free memory was 82.2 MB in the beginning and 40.3 MB in the end (delta: 41.9 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * Witness Printer took 35.47 ms. Allocated memory is still 117.4 MB. Free memory was 40.3 MB in the beginning and 38.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L25] int i=0; [L26] COND TRUE i<5 [L27] i++ [L20] (b) ? (0) : __blast_assert () [L26] COND TRUE i<5 [L27] i++ [L20] (b) ? (0) : __blast_assert () [L26] COND TRUE i<5 [L27] i++ [L20] (b) ? (0) : __blast_assert () [L3] __assert_fail("0", "test_while_int.i", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 SDtfs, 9 SDslu, 18 SDs, 0 SdLazy, 19 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 3 NumberOfNonLiveVariables, 51 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/4 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...