./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3428809e66c8ffa9373e37ec3d02a46642c7f8bc ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-7b2dab5 [2021-10-11 02:32:42,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:32:42,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:32:42,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:32:42,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:32:42,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:32:42,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:32:42,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:32:42,538 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:32:42,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:32:42,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:32:42,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:32:42,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:32:42,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:32:42,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:32:42,553 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:32:42,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:32:42,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:32:42,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:32:42,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:32:42,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:32:42,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:32:42,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:32:42,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:32:42,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:32:42,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:32:42,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:32:42,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:32:42,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:32:42,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:32:42,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:32:42,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:32:42,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:32:42,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:32:42,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:32:42,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:32:42,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:32:42,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:32:42,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:32:42,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:32:42,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:32:42,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-10-11 02:32:42,654 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:32:42,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:32:42,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:32:42,656 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:32:42,656 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:32:42,657 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:32:42,657 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:32:42,657 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:32:42,657 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:32:42,658 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:32:42,659 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:32:42,659 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:32:42,659 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:32:42,659 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:32:42,660 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:32:42,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:32:42,661 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:32:42,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:32:42,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:32:42,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:32:42,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:32:42,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:32:42,662 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-11 02:32:42,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:32:42,663 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:32:42,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:32:42,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:32:42,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:32:42,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:32:42,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:32:42,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:32:42,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:32:42,666 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:32:42,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:32:42,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:32:42,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:32:42,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:32:42,667 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3428809e66c8ffa9373e37ec3d02a46642c7f8bc [2021-10-11 02:32:42,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:32:42,986 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:32:42,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:32:42,990 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:32:42,991 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:32:42,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c [2021-10-11 02:32:43,070 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/data/44650fc15/1c1a3489b36949e58ef3ed7f9512c30f/FLAGfd8c8eec9 [2021-10-11 02:32:43,660 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:32:43,661 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c [2021-10-11 02:32:43,672 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/data/44650fc15/1c1a3489b36949e58ef3ed7f9512c30f/FLAGfd8c8eec9 [2021-10-11 02:32:44,033 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/data/44650fc15/1c1a3489b36949e58ef3ed7f9512c30f [2021-10-11 02:32:44,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:32:44,037 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:32:44,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:32:44,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:32:44,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:32:44,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:32:44" (1/1) ... [2021-10-11 02:32:44,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b0ead3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:44, skipping insertion in model container [2021-10-11 02:32:44,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:32:44" (1/1) ... [2021-10-11 02:32:44,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:32:44,069 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:32:44,318 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:32:44,322 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:32:44,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:32:44,358 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:32:44,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:44 WrapperNode [2021-10-11 02:32:44,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:32:44,361 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:32:44,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:32:44,361 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:32:44,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:44" (1/1) ... [2021-10-11 02:32:44,376 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:44" (1/1) ... [2021-10-11 02:32:44,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:32:44,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:32:44,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:32:44,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:32:44,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:44" (1/1) ... [2021-10-11 02:32:44,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:44" (1/1) ... [2021-10-11 02:32:44,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:44" (1/1) ... [2021-10-11 02:32:44,425 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:44" (1/1) ... [2021-10-11 02:32:44,429 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:44" (1/1) ... [2021-10-11 02:32:44,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:44" (1/1) ... [2021-10-11 02:32:44,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:44" (1/1) ... [2021-10-11 02:32:44,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:32:44,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:32:44,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:32:44,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:32:44,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:44" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:32:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:32:44,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:32:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:32:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:32:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:32:44,965 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:32:44,966 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-11 02:32:44,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:32:44 BoogieIcfgContainer [2021-10-11 02:32:44,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:32:44,970 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:32:44,973 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:32:44,977 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:32:44,978 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:32:44" (1/3) ... [2021-10-11 02:32:44,979 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79216654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:32:44, skipping insertion in model container [2021-10-11 02:32:44,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:32:44" (2/3) ... [2021-10-11 02:32:44,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79216654 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:32:44, skipping insertion in model container [2021-10-11 02:32:44,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:32:44" (3/3) ... [2021-10-11 02:32:44,982 INFO L111 eAbstractionObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig7.c [2021-10-11 02:32:44,998 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:32:45,001 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-10-11 02:32:45,012 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-11 02:32:45,052 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:32:45,052 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:32:45,053 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:32:45,053 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:32:45,053 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:32:45,053 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:32:45,054 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:32:45,054 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:32:45,070 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2021-10-11 02:32:45,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-10-11 02:32:45,076 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:45,077 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-10-11 02:32:45,078 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 02:32:45,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:45,084 INFO L82 PathProgramCache]: Analyzing trace with hash 2570507, now seen corresponding path program 1 times [2021-10-11 02:32:45,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:32:45,095 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196535594] [2021-10-11 02:32:45,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:32:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:45,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:45,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196535594] [2021-10-11 02:32:45,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:45,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:32:45,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205210206] [2021-10-11 02:32:45,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:32:45,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:32:45,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:32:45,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:32:45,398 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 4 states. [2021-10-11 02:32:45,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:45,528 INFO L93 Difference]: Finished difference Result 38 states and 43 transitions. [2021-10-11 02:32:45,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:32:45,531 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2021-10-11 02:32:45,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:45,554 INFO L225 Difference]: With dead ends: 38 [2021-10-11 02:32:45,558 INFO L226 Difference]: Without dead ends: 30 [2021-10-11 02:32:45,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:32:45,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-11 02:32:45,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 20. [2021-10-11 02:32:45,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-10-11 02:32:45,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2021-10-11 02:32:45,609 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 4 [2021-10-11 02:32:45,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:45,610 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2021-10-11 02:32:45,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:32:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2021-10-11 02:32:45,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-11 02:32:45,611 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:45,611 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-11 02:32:45,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:32:45,612 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 02:32:45,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:45,615 INFO L82 PathProgramCache]: Analyzing trace with hash -1824604071, now seen corresponding path program 1 times [2021-10-11 02:32:45,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:32:45,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691599950] [2021-10-11 02:32:45,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:32:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:45,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:45,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691599950] [2021-10-11 02:32:45,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:45,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:32:45,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331157692] [2021-10-11 02:32:45,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:32:45,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:32:45,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:32:45,701 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:45,702 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 3 states. [2021-10-11 02:32:45,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:45,718 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2021-10-11 02:32:45,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:32:45,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2021-10-11 02:32:45,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:45,720 INFO L225 Difference]: With dead ends: 30 [2021-10-11 02:32:45,720 INFO L226 Difference]: Without dead ends: 20 [2021-10-11 02:32:45,721 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:45,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2021-10-11 02:32:45,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-11 02:32:45,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2021-10-11 02:32:45,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2021-10-11 02:32:45,726 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 6 [2021-10-11 02:32:45,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:45,727 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2021-10-11 02:32:45,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:32:45,727 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2021-10-11 02:32:45,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:32:45,728 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:45,728 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2021-10-11 02:32:45,728 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:32:45,729 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 02:32:45,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:45,729 INFO L82 PathProgramCache]: Analyzing trace with hash -731385565, now seen corresponding path program 1 times [2021-10-11 02:32:45,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:32:45,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511112640] [2021-10-11 02:32:45,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:32:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:45,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511112640] [2021-10-11 02:32:45,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935435213] [2021-10-11 02:32:45,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:45,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:32:45,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:45,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:45,929 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:32:46,005 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:46,005 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [438714443] [2021-10-11 02:32:46,031 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2021-10-11 02:32:46,031 INFO L166 IcfgInterpreter]: Building call graph [2021-10-11 02:32:46,037 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-10-11 02:32:46,044 INFO L176 IcfgInterpreter]: Starting interpretation [2021-10-11 02:32:46,045 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-10-11 02:32:46,911 INFO L180 IcfgInterpreter]: Interpretation finished [2021-10-11 02:32:47,262 WARN L197 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2021-10-11 02:32:47,461 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-10-11 02:32:47,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-10-11 02:32:47,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2021-10-11 02:32:47,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750448174] [2021-10-11 02:32:47,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-10-11 02:32:47,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:32:47,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-11 02:32:47,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2021-10-11 02:32:47,467 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 12 states. [2021-10-11 02:32:47,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:47,712 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2021-10-11 02:32:47,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-11 02:32:47,713 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 7 [2021-10-11 02:32:47,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:47,718 INFO L225 Difference]: With dead ends: 63 [2021-10-11 02:32:47,719 INFO L226 Difference]: Without dead ends: 62 [2021-10-11 02:32:47,720 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2021-10-11 02:32:47,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-10-11 02:32:47,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 28. [2021-10-11 02:32:47,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2021-10-11 02:32:47,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2021-10-11 02:32:47,736 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 34 transitions. Word has length 7 [2021-10-11 02:32:47,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:47,736 INFO L481 AbstractCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-10-11 02:32:47,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-10-11 02:32:47,736 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2021-10-11 02:32:47,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:32:47,737 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:47,737 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2021-10-11 02:32:47,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-10-11 02:32:47,953 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 02:32:47,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:47,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1198115984, now seen corresponding path program 1 times [2021-10-11 02:32:47,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:32:47,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875749003] [2021-10-11 02:32:47,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:32:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:48,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:48,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875749003] [2021-10-11 02:32:48,030 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999165556] [2021-10-11 02:32:48,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-11 02:32:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:48,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-11 02:32:48,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:48,173 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:48,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-11 02:32:48,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:48,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2021-10-11 02:32:48,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [5] total 11 [2021-10-11 02:32:48,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311367023] [2021-10-11 02:32:48,265 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-10-11 02:32:48,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:32:48,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-11 02:32:48,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-10-11 02:32:48,266 INFO L87 Difference]: Start difference. First operand 28 states and 34 transitions. Second operand 10 states. [2021-10-11 02:32:48,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:48,327 INFO L93 Difference]: Finished difference Result 28 states and 34 transitions. [2021-10-11 02:32:48,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:32:48,328 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 8 [2021-10-11 02:32:48,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:48,330 INFO L225 Difference]: With dead ends: 28 [2021-10-11 02:32:48,331 INFO L226 Difference]: Without dead ends: 27 [2021-10-11 02:32:48,331 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2021-10-11 02:32:48,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2021-10-11 02:32:48,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2021-10-11 02:32:48,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2021-10-11 02:32:48,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2021-10-11 02:32:48,337 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 8 [2021-10-11 02:32:48,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:48,337 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2021-10-11 02:32:48,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-10-11 02:32:48,337 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2021-10-11 02:32:48,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 02:32:48,338 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:48,338 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:32:48,554 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-10-11 02:32:48,554 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 02:32:48,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:48,555 INFO L82 PathProgramCache]: Analyzing trace with hash 1513214577, now seen corresponding path program 1 times [2021-10-11 02:32:48,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:32:48,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943108604] [2021-10-11 02:32:48,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:32:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:48,584 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-11 02:32:48,585 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943108604] [2021-10-11 02:32:48,585 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:48,585 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:32:48,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399830068] [2021-10-11 02:32:48,586 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:32:48,586 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:32:48,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:32:48,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:48,587 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand 3 states. [2021-10-11 02:32:48,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:48,626 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2021-10-11 02:32:48,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:32:48,626 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2021-10-11 02:32:48,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:48,627 INFO L225 Difference]: With dead ends: 37 [2021-10-11 02:32:48,627 INFO L226 Difference]: Without dead ends: 35 [2021-10-11 02:32:48,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:32:48,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2021-10-11 02:32:48,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2021-10-11 02:32:48,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2021-10-11 02:32:48,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2021-10-11 02:32:48,633 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 35 transitions. Word has length 9 [2021-10-11 02:32:48,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:48,633 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 35 transitions. [2021-10-11 02:32:48,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:32:48,633 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2021-10-11 02:32:48,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:32:48,634 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:48,634 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:32:48,634 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-10-11 02:32:48,634 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 02:32:48,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:48,635 INFO L82 PathProgramCache]: Analyzing trace with hash -1794702509, now seen corresponding path program 1 times [2021-10-11 02:32:48,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:32:48,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183754969] [2021-10-11 02:32:48,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:32:48,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:32:48,654 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:32:48,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:32:48,677 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:32:48,700 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:32:48,700 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:32:48,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-10-11 02:32:48,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:32:48 BoogieIcfgContainer [2021-10-11 02:32:48,725 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:32:48,726 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:32:48,726 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:32:48,726 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:32:48,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:32:44" (3/4) ... [2021-10-11 02:32:48,728 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:32:48,765 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c75bff0-47db-4fde-b0f6-89e9cd916e0c/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:32:48,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:32:48,766 INFO L168 Benchmark]: Toolchain (without parser) took 4728.93 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 79.7 MB in the beginning and 84.7 MB in the end (delta: -5.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:48,767 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 77.6 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:32:48,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.45 ms. Allocated memory is still 113.2 MB. Free memory was 79.4 MB in the beginning and 89.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:48,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.11 ms. Allocated memory is still 113.2 MB. Free memory was 88.7 MB in the beginning and 87.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:48,769 INFO L168 Benchmark]: Boogie Preprocessor took 50.61 ms. Allocated memory is still 113.2 MB. Free memory was 87.6 MB in the beginning and 86.6 MB in the end (delta: 991.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:32:48,769 INFO L168 Benchmark]: RCFGBuilder took 515.56 ms. Allocated memory is still 113.2 MB. Free memory was 86.6 MB in the beginning and 70.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:48,770 INFO L168 Benchmark]: TraceAbstraction took 3755.46 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 70.3 MB in the beginning and 86.8 MB in the end (delta: -16.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:48,771 INFO L168 Benchmark]: Witness Printer took 39.43 ms. Allocated memory is still 142.6 MB. Free memory was 86.8 MB in the beginning and 84.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:48,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 77.6 MB. Free memory is still 37.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 321.45 ms. Allocated memory is still 113.2 MB. Free memory was 79.4 MB in the beginning and 89.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.11 ms. Allocated memory is still 113.2 MB. Free memory was 88.7 MB in the beginning and 87.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.61 ms. Allocated memory is still 113.2 MB. Free memory was 87.6 MB in the beginning and 86.6 MB in the end (delta: 991.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 515.56 ms. Allocated memory is still 113.2 MB. Free memory was 86.6 MB in the beginning and 70.8 MB in the end (delta: 15.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3755.46 ms. Allocated memory was 113.2 MB in the beginning and 142.6 MB in the end (delta: 29.4 MB). Free memory was 70.3 MB in the beginning and 86.8 MB in the end (delta: -16.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Witness Printer took 39.43 ms. Allocated memory is still 142.6 MB. Free memory was 86.8 MB in the beginning and 84.7 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: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int a_length = __VERIFIER_nondet_int(); [L13] COND FALSE !(a_length < 1) [L16] int a[a_length]; [L17] int j = 0; [L17] COND TRUE j < a_length [L18] a[j] = __VERIFIER_nondet_int() [L17] j++ [L17] COND FALSE !(j < a_length) [L20] int offset = 1; [L21] int i = 0; [L22] COND TRUE i < a_length [L23] EXPR a[i] [L23] COND FALSE !(a[i] < 0) [L26] EXPR i + offset [L26] EXPR a[i] [L26] i + offset + a[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 20 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.6s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 72 SDtfs, 123 SDslu, 141 SDs, 0 SdLazy, 104 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 61 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=5, 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, 5 MinimizatonAttempts, 48 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 1055 SizeOfPredicates, 4 NumberOfNonLiveVariables, 77 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 7/16 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...