./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d092867a9e1055748d4525b336ea1f27e78b14112d4f5a890867dcf4a9fe862b ........................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:12:33,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:12:33,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:12:33,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:12:33,173 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:12:33,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:12:33,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:12:33,189 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:12:33,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:12:33,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:12:33,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:12:33,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:12:33,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:12:33,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:12:33,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:12:33,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:12:33,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:12:33,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:12:33,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:12:33,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:12:33,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:12:33,236 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:12:33,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:12:33,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:12:33,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:12:33,245 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:12:33,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:12:33,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:12:33,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:12:33,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:12:33,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:12:33,252 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:12:33,253 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:12:33,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:12:33,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:12:33,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:12:33,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:12:33,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:12:33,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:12:33,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:12:33,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:12:33,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:12:33,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:12:33,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:12:33,322 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:12:33,330 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:12:33,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:12:33,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:12:33,333 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:12:33,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:12:33,334 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:12:33,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:12:33,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:12:33,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:12:33,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:12:33,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:12:33,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:12:33,337 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:12:33,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:12:33,338 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:12:33,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:12:33,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:12:33,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:12:33,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:12:33,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:12:33,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:12:33,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:12:33,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:12:33,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:12:33,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:12:33,342 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:12:33,344 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:12:33,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:12:33,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:12:33,345 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_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d092867a9e1055748d4525b336ea1f27e78b14112d4f5a890867dcf4a9fe862b [2021-10-28 23:12:33,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:12:33,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:12:33,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:12:33,657 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:12:33,659 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:12:33,660 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i [2021-10-28 23:12:33,741 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/data/f57a0388f/ab97761b8b6949fd837fa5f6f1e33b27/FLAG4f2adb4c4 [2021-10-28 23:12:34,363 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:12:34,364 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i [2021-10-28 23:12:34,372 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/data/f57a0388f/ab97761b8b6949fd837fa5f6f1e33b27/FLAG4f2adb4c4 [2021-10-28 23:12:34,670 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/data/f57a0388f/ab97761b8b6949fd837fa5f6f1e33b27 [2021-10-28 23:12:34,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:12:34,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:12:34,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:12:34,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:12:34,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:12:34,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:12:34" (1/1) ... [2021-10-28 23:12:34,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7faedf43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:34, skipping insertion in model container [2021-10-28 23:12:34,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:12:34" (1/1) ... [2021-10-28 23:12:34,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:12:34,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:12:34,935 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i[921,934] [2021-10-28 23:12:34,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:12:34,958 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:12:34,975 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i[921,934] [2021-10-28 23:12:34,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:12:34,998 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:12:34,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:34 WrapperNode [2021-10-28 23:12:34,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:12:35,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:12:35,001 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:12:35,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:12:35,010 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:34" (1/1) ... [2021-10-28 23:12:35,022 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:34" (1/1) ... [2021-10-28 23:12:35,053 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:12:35,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:12:35,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:12:35,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:12:35,065 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:34" (1/1) ... [2021-10-28 23:12:35,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:34" (1/1) ... [2021-10-28 23:12:35,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:34" (1/1) ... [2021-10-28 23:12:35,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:34" (1/1) ... [2021-10-28 23:12:35,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:34" (1/1) ... [2021-10-28 23:12:35,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:34" (1/1) ... [2021-10-28 23:12:35,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:34" (1/1) ... [2021-10-28 23:12:35,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:12:35,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:12:35,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:12:35,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:12:35,114 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:34" (1/1) ... [2021-10-28 23:12:35,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:12:35,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:12:35,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:12:35,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:12:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:12:35,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:12:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:12:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:12:35,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:12:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:12:35,228 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:12:35,492 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:12:35,492 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 23:12:35,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:35 BoogieIcfgContainer [2021-10-28 23:12:35,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:12:35,497 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:12:35,497 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:12:35,501 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:12:35,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:12:34" (1/3) ... [2021-10-28 23:12:35,502 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470fa228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:12:35, skipping insertion in model container [2021-10-28 23:12:35,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:12:34" (2/3) ... [2021-10-28 23:12:35,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470fa228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:12:35, skipping insertion in model container [2021-10-28 23:12:35,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:35" (3/3) ... [2021-10-28 23:12:35,505 INFO L111 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_1-2.i [2021-10-28 23:12:35,512 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:12:35,512 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:12:35,566 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:12:35,573 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 23:12:35,573 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-28 23:12:35,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:35,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-28 23:12:35,596 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:35,597 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:35,598 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:35,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:35,605 INFO L85 PathProgramCache]: Analyzing trace with hash 502060139, now seen corresponding path program 1 times [2021-10-28 23:12:35,617 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:35,617 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362015036] [2021-10-28 23:12:35,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:35,619 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:12:35,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:12:35,809 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:12:35,809 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362015036] [2021-10-28 23:12:35,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362015036] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:12:35,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:12:35,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 23:12:35,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794655299] [2021-10-28 23:12:35,819 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 23:12:35,820 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:12:35,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 23:12:35,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:12:35,840 INFO L87 Difference]: Start difference. First operand has 14 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:35,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:12:35,904 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2021-10-28 23:12:35,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 23:12:35,906 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-10-28 23:12:35,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 23:12:35,916 INFO L225 Difference]: With dead ends: 24 [2021-10-28 23:12:35,917 INFO L226 Difference]: Without dead ends: 10 [2021-10-28 23:12:35,920 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 23:12:35,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2021-10-28 23:12:35,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-28 23:12:35,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:35,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 11 transitions. [2021-10-28 23:12:35,992 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 11 transitions. Word has length 8 [2021-10-28 23:12:35,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 23:12:35,993 INFO L470 AbstractCegarLoop]: Abstraction has 10 states and 11 transitions. [2021-10-28 23:12:35,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:12:35,994 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2021-10-28 23:12:35,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-28 23:12:35,995 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 23:12:35,995 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:12:35,996 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:12:35,996 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:12:35,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:12:35,998 INFO L85 PathProgramCache]: Analyzing trace with hash 586736404, now seen corresponding path program 1 times [2021-10-28 23:12:35,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:12:35,999 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782513455] [2021-10-28 23:12:35,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:12:35,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:12:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:36,070 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:12:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:12:36,190 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:12:36,193 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:12:36,197 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:12:36,200 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:12:36,206 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 23:12:36,210 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:12:36,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:12:36 BoogieIcfgContainer [2021-10-28 23:12:36,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:12:36,252 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:12:36,252 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:12:36,253 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:12:36,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:12:35" (3/4) ... [2021-10-28 23:12:36,257 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 23:12:36,337 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:12:36,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:12:36,344 INFO L168 Benchmark]: Toolchain (without parser) took 1669.20 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 60.1 MB in the beginning and 75.5 MB in the end (delta: -15.4 MB). Peak memory consumption was 3.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:36,346 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 45.1 MB in the beginning and 45.1 MB in the end (delta: 45.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:12:36,347 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.29 ms. Allocated memory is still 90.2 MB. Free memory was 59.9 MB in the beginning and 66.8 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:36,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.66 ms. Allocated memory is still 90.2 MB. Free memory was 66.8 MB in the beginning and 65.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:36,350 INFO L168 Benchmark]: Boogie Preprocessor took 55.63 ms. Allocated memory is still 90.2 MB. Free memory was 65.3 MB in the beginning and 64.4 MB in the end (delta: 905.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:12:36,351 INFO L168 Benchmark]: RCFGBuilder took 383.93 ms. Allocated memory is still 90.2 MB. Free memory was 64.4 MB in the beginning and 55.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:36,351 INFO L168 Benchmark]: TraceAbstraction took 752.49 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 54.6 MB in the beginning and 77.6 MB in the end (delta: -23.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:12:36,352 INFO L168 Benchmark]: Witness Printer took 90.51 ms. Allocated memory is still 109.1 MB. Free memory was 77.6 MB in the beginning and 75.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:12:36,361 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 90.2 MB. Free memory was 45.1 MB in the beginning and 45.1 MB in the end (delta: 45.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 324.29 ms. Allocated memory is still 90.2 MB. Free memory was 59.9 MB in the beginning and 66.8 MB in the end (delta: -6.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.66 ms. Allocated memory is still 90.2 MB. Free memory was 66.8 MB in the beginning and 65.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.63 ms. Allocated memory is still 90.2 MB. Free memory was 65.3 MB in the beginning and 64.4 MB in the end (delta: 905.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 383.93 ms. Allocated memory is still 90.2 MB. Free memory was 64.4 MB in the beginning and 55.2 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 752.49 ms. Allocated memory was 90.2 MB in the beginning and 109.1 MB in the end (delta: 18.9 MB). Free memory was 54.6 MB in the beginning and 77.6 MB in the end (delta: -23.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 90.51 ms. Allocated memory is still 109.1 MB. Free memory was 77.6 MB in the beginning and 75.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 26]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L35] unsigned int array[10000]; [L36] unsigned int index = 0; [L37] unsigned int tmp = 0; [L39] COND TRUE 1 [L40] index = __VERIFIER_nondet_uint() [L41] COND TRUE index >= 10000 [L48] tmp < 10000 && array[tmp] == tmp [L48] EXPR array[tmp] [L48] tmp < 10000 && array[tmp] == tmp [L25] COND TRUE !(cond) [L26] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 15 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2021-10-28 23:12:36,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c95e5cb-186f-4b78-87ce-7010411c0245/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...