./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d3ded6f4470c26b608997f650ebe66ef1cf6f845 .................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 03:21:42,733 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:21:42,743 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:21:42,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:21:42,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:21:42,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:21:42,831 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:21:42,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:21:42,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:21:42,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:21:42,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:21:42,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:21:42,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:21:42,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:21:42,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:21:42,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:21:42,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:21:42,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:21:42,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:21:42,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:21:42,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:21:42,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:21:42,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:21:42,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:21:42,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:21:42,911 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:21:42,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:21:42,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:21:42,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:21:42,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:21:42,918 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:21:42,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:21:42,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:21:42,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:21:42,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:21:42,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:21:42,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:21:42,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:21:42,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:21:42,930 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:21:42,931 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:21:42,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/bin/uautomizer/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-11-28 03:21:42,984 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:21:42,989 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:21:42,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:21:42,991 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:21:42,992 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:21:42,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:21:42,992 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:21:42,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:21:42,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:21:42,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:21:42,994 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:21:42,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:21:42,995 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-28 03:21:42,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:21:42,996 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:21:42,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:21:42,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:21:42,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:21:42,997 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:21:42,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:21:42,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:21:42,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:21:42,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:21:42,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:21:42,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:21:42,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:21:42,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:21:43,000 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:21:43,000 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_6b8ad160-6639-4a0b-8e81-1085caf9bd81/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3ded6f4470c26b608997f650ebe66ef1cf6f845 [2020-11-28 03:21:43,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:21:43,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:21:43,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:21:43,481 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:21:43,482 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:21:43,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1.c [2020-11-28 03:21:43,573 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/bin/uautomizer/data/e557358b2/b5e7e666594948cabd327a323e3d10fc/FLAG9262830d3 [2020-11-28 03:21:44,125 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:21:44,126 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex1.c [2020-11-28 03:21:44,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/bin/uautomizer/data/e557358b2/b5e7e666594948cabd327a323e3d10fc/FLAG9262830d3 [2020-11-28 03:21:44,455 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/bin/uautomizer/data/e557358b2/b5e7e666594948cabd327a323e3d10fc [2020-11-28 03:21:44,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:21:44,461 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:21:44,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:21:44,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:21:44,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:21:44,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:44" (1/1) ... [2020-11-28 03:21:44,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122af416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:44, skipping insertion in model container [2020-11-28 03:21:44,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:21:44" (1/1) ... [2020-11-28 03:21:44,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:21:44,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:21:44,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:21:44,738 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:21:44,783 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:21:44,800 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:21:44,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:44 WrapperNode [2020-11-28 03:21:44,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:21:44,804 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:21:44,804 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:21:44,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:21:44,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:44" (1/1) ... [2020-11-28 03:21:44,821 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:44" (1/1) ... [2020-11-28 03:21:44,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:21:44,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:21:44,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:21:44,851 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:21:44,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:44" (1/1) ... [2020-11-28 03:21:44,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:44" (1/1) ... [2020-11-28 03:21:44,864 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:44" (1/1) ... [2020-11-28 03:21:44,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:44" (1/1) ... [2020-11-28 03:21:44,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:44" (1/1) ... [2020-11-28 03:21:44,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:44" (1/1) ... [2020-11-28 03:21:44,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:44" (1/1) ... [2020-11-28 03:21:44,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:21:44,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:21:44,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:21:44,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:21:44,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/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 03:21:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:21:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:21:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure r1 [2020-11-28 03:21:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure r1 [2020-11-28 03:21:45,368 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:21:45,369 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-28 03:21:45,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:45 BoogieIcfgContainer [2020-11-28 03:21:45,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:21:45,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:21:45,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:21:45,378 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:21:45,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:21:44" (1/3) ... [2020-11-28 03:21:45,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27085754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:21:45, skipping insertion in model container [2020-11-28 03:21:45,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:21:44" (2/3) ... [2020-11-28 03:21:45,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27085754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:21:45, skipping insertion in model container [2020-11-28 03:21:45,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:45" (3/3) ... [2020-11-28 03:21:45,382 INFO L111 eAbstractionObserver]: Analyzing ICFG LeeJonesBen-Amram-POPL2001-Ex1.c [2020-11-28 03:21:45,396 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:21:45,401 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2020-11-28 03:21:45,416 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-11-28 03:21:45,447 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:21:45,447 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:21:45,447 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:21:45,447 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:21:45,447 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:21:45,448 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:21:45,448 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:21:45,448 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:21:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-11-28 03:21:45,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-28 03:21:45,474 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:45,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:21:45,476 INFO L429 AbstractCegarLoop]: === Iteration 1 === [r1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:45,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:45,484 INFO L82 PathProgramCache]: Analyzing trace with hash 920915409, now seen corresponding path program 1 times [2020-11-28 03:21:45,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:45,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974874350] [2020-11-28 03:21:45,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:45,756 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 03:21:45,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974874350] [2020-11-28 03:21:45,757 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:45,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:21:45,758 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803279305] [2020-11-28 03:21:45,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-28 03:21:45,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:45,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-28 03:21:45,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:21:45,780 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 6 states. [2020-11-28 03:21:46,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:46,009 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2020-11-28 03:21:46,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:21:46,012 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2020-11-28 03:21:46,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:46,022 INFO L225 Difference]: With dead ends: 31 [2020-11-28 03:21:46,022 INFO L226 Difference]: Without dead ends: 17 [2020-11-28 03:21:46,026 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-28 03:21:46,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-28 03:21:46,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-28 03:21:46,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-28 03:21:46,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-11-28 03:21:46,070 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 6 [2020-11-28 03:21:46,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:46,070 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2020-11-28 03:21:46,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-28 03:21:46,070 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-11-28 03:21:46,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 03:21:46,071 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:46,071 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:46,072 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 03:21:46,072 INFO L429 AbstractCegarLoop]: === Iteration 2 === [r1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:46,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:46,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1516393339, now seen corresponding path program 1 times [2020-11-28 03:21:46,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:46,074 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621855164] [2020-11-28 03:21:46,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:46,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:21:46,124 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 03:21:46,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621855164] [2020-11-28 03:21:46,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:21:46,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-28 03:21:46,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702587165] [2020-11-28 03:21:46,127 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-28 03:21:46,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:21:46,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-28 03:21:46,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-28 03:21:46,129 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 5 states. [2020-11-28 03:21:46,261 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2020-11-28 03:21:46,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:21:46,448 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2020-11-28 03:21:46,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:21:46,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 7 [2020-11-28 03:21:46,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:21:46,461 INFO L225 Difference]: With dead ends: 31 [2020-11-28 03:21:46,461 INFO L226 Difference]: Without dead ends: 29 [2020-11-28 03:21:46,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-28 03:21:46,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-11-28 03:21:46,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 23. [2020-11-28 03:21:46,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-11-28 03:21:46,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-11-28 03:21:46,477 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 7 [2020-11-28 03:21:46,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:21:46,477 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-11-28 03:21:46,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-28 03:21:46,478 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-11-28 03:21:46,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 03:21:46,478 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:21:46,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:21:46,479 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 03:21:46,479 INFO L429 AbstractCegarLoop]: === Iteration 3 === [r1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, r1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2020-11-28 03:21:46,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:21:46,480 INFO L82 PathProgramCache]: Analyzing trace with hash 236446803, now seen corresponding path program 1 times [2020-11-28 03:21:46,480 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:21:46,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046730353] [2020-11-28 03:21:46,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:21:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:21:46,496 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:21:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:21:46,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:21:46,532 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:21:46,532 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:21:46,532 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-28 03:21:46,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:21:46 BoogieIcfgContainer [2020-11-28 03:21:46,554 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:21:46,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:21:46,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:21:46,555 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:21:46,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:21:45" (3/4) ... [2020-11-28 03:21:46,558 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:21:46,592 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6b8ad160-6639-4a0b-8e81-1085caf9bd81/bin/uautomizer/witness.graphml [2020-11-28 03:21:46,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:21:46,593 INFO L168 Benchmark]: Toolchain (without parser) took 2132.29 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 54.3 MB in the beginning and 81.8 MB in the end (delta: -27.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:46,594 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory was 70.4 MB in the beginning and 70.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:46,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.53 ms. Allocated memory is still 90.2 MB. Free memory was 54.1 MB in the beginning and 68.5 MB in the end (delta: -14.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:46,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.37 ms. Allocated memory is still 90.2 MB. Free memory was 68.5 MB in the beginning and 67.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:46,597 INFO L168 Benchmark]: Boogie Preprocessor took 30.73 ms. Allocated memory is still 90.2 MB. Free memory was 67.0 MB in the beginning and 66.3 MB in the end (delta: 732.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:46,597 INFO L168 Benchmark]: RCFGBuilder took 488.69 ms. Allocated memory is still 90.2 MB. Free memory was 66.3 MB in the beginning and 55.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:46,598 INFO L168 Benchmark]: TraceAbstraction took 1180.94 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 55.3 MB in the beginning and 83.9 MB in the end (delta: -28.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:21:46,599 INFO L168 Benchmark]: Witness Printer took 37.19 ms. Allocated memory is still 109.1 MB. Free memory was 83.9 MB in the beginning and 81.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:21:46,605 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 90.2 MB. Free memory was 70.4 MB in the beginning and 70.3 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 340.53 ms. Allocated memory is still 90.2 MB. Free memory was 54.1 MB in the beginning and 68.5 MB in the end (delta: -14.4 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 44.37 ms. Allocated memory is still 90.2 MB. Free memory was 68.5 MB in the beginning and 67.0 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 30.73 ms. Allocated memory is still 90.2 MB. Free memory was 67.0 MB in the beginning and 66.3 MB in the end (delta: 732.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 488.69 ms. Allocated memory is still 90.2 MB. Free memory was 66.3 MB in the beginning and 55.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1180.94 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 55.3 MB in the beginning and 83.9 MB in the end (delta: -28.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 37.19 ms. Allocated memory is still 109.1 MB. Free memory was 83.9 MB in the beginning and 81.8 MB in the end (delta: 2.1 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: 17]: integer overflow possible integer overflow possible We found a FailurePath: [L26] int ls = __VERIFIER_nondet_int(); [L27] COND TRUE ls >= 0 [L22] CALL r1(ls,0) VAL [\old(a)=0, \old(ls)=2147483647] [L14] COND FALSE !(ls == 0) VAL [\old(a)=0, \old(ls)=2147483647, a=0, ls=2147483647] [L17] ls-1 VAL [\old(a)=0, \old(ls)=2147483647, a=0, ls=2147483647] [L17] ls+1 VAL [\old(a)=0, \old(ls)=2147483647, a=0, ls=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 27 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 19 SDtfs, 61 SDslu, 50 SDs, 0 SdLazy, 96 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 171 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...