./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8a8b20edf17b5ae539e1f71c8b51bedd7c34357d ....................................................................................................................................................................................................................................... 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 00:23:06,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:23:06,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:23:06,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:23:06,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:23:06,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:23:06,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:23:06,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:23:06,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:23:06,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:23:06,540 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:23:06,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:23:06,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:23:06,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:23:06,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:23:06,548 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:23:06,550 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:23:06,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:23:06,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:23:06,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:23:06,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:23:06,584 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:23:06,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:23:06,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:23:06,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:23:06,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:23:06,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:23:06,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:23:06,598 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:23:06,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:23:06,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:23:06,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:23:06,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:23:06,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:23:06,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:23:06,606 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:23:06,607 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:23:06,607 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:23:06,607 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:23:06,608 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:23:06,609 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:23:06,611 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-11 00:23:06,656 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:23:06,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:23:06,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:23:06,658 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:23:06,659 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:23:06,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:23:06,659 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:23:06,659 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:23:06,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:23:06,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:23:06,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:23:06,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 00:23:06,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 00:23:06,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 00:23:06,662 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-11 00:23:06,662 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:23:06,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:23:06,663 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:23:06,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 00:23:06,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:23:06,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:23:06,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 00:23:06,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 00:23:06,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:23:06,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 00:23:06,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 00:23:06,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:23:06,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 00:23:06,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 00:23:06,666 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:23:06,666 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_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a8b20edf17b5ae539e1f71c8b51bedd7c34357d [2021-10-11 00:23:06,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:23:06,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:23:06,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:23:06,975 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:23:06,976 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:23:06,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2021-10-11 00:23:07,053 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC/data/5cc0447cc/085c3cb2c13449b49332122700232b7d/FLAG240e8aad0 [2021-10-11 00:23:07,516 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:23:07,521 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a61d285-f8a1-470d-974f-6cf74a7440d1/sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2021-10-11 00:23:07,533 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC/data/5cc0447cc/085c3cb2c13449b49332122700232b7d/FLAG240e8aad0 [2021-10-11 00:23:07,891 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC/data/5cc0447cc/085c3cb2c13449b49332122700232b7d [2021-10-11 00:23:07,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:23:07,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:23:07,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:23:07,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:23:07,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:23:07,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:07" (1/1) ... [2021-10-11 00:23:07,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@758419c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:07, skipping insertion in model container [2021-10-11 00:23:07,904 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:23:07" (1/1) ... [2021-10-11 00:23:07,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:23:07,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:23:08,096 WARN L226 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_1a61d285-f8a1-470d-974f-6cf74a7440d1/sv-benchmarks/c/loop-zilu/benchmark48_linear.i[868,881] [2021-10-11 00:23:08,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:23:08,113 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:23:08,127 WARN L226 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_1a61d285-f8a1-470d-974f-6cf74a7440d1/sv-benchmarks/c/loop-zilu/benchmark48_linear.i[868,881] [2021-10-11 00:23:08,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:23:08,144 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:23:08,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:08 WrapperNode [2021-10-11 00:23:08,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:23:08,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:23:08,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:23:08,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:23:08,154 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:08" (1/1) ... [2021-10-11 00:23:08,161 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:08" (1/1) ... [2021-10-11 00:23:08,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:23:08,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:23:08,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:23:08,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:23:08,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:08" (1/1) ... [2021-10-11 00:23:08,190 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:08" (1/1) ... [2021-10-11 00:23:08,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:08" (1/1) ... [2021-10-11 00:23:08,191 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:08" (1/1) ... [2021-10-11 00:23:08,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:08" (1/1) ... [2021-10-11 00:23:08,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:08" (1/1) ... [2021-10-11 00:23:08,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:08" (1/1) ... [2021-10-11 00:23:08,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:23:08,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:23:08,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:23:08,202 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:23:08,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:08" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC/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 00:23:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:23:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:23:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:23:08,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:23:08,553 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:23:08,555 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:23:08,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:08 BoogieIcfgContainer [2021-10-11 00:23:08,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:23:08,560 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 00:23:08,560 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 00:23:08,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 00:23:08,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:23:07" (1/3) ... [2021-10-11 00:23:08,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fcfe32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:08, skipping insertion in model container [2021-10-11 00:23:08,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:23:08" (2/3) ... [2021-10-11 00:23:08,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21fcfe32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:23:08, skipping insertion in model container [2021-10-11 00:23:08,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:08" (3/3) ... [2021-10-11 00:23:08,568 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark48_linear.i [2021-10-11 00:23:08,587 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 00:23:08,590 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2021-10-11 00:23:08,600 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-10-11 00:23:08,620 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 00:23:08,621 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 00:23:08,621 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 00:23:08,621 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:23:08,621 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:23:08,621 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 00:23:08,621 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:23:08,622 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 00:23:08,636 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2021-10-11 00:23:08,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-11 00:23:08,640 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 00:23:08,641 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-11 00:23:08,642 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 00:23:08,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:23:08,647 INFO L82 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2021-10-11 00:23:08,656 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:23:08,659 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899898501] [2021-10-11 00:23:08,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:23:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:23:08,772 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:23:08,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:23:08,794 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:23:08,814 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:23:08,815 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 00:23:08,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 00:23:08,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:23:08 BoogieIcfgContainer [2021-10-11 00:23:08,834 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 00:23:08,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:23:08,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:23:08,835 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:23:08,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:23:08" (3/4) ... [2021-10-11 00:23:08,838 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 00:23:08,888 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a61d285-f8a1-470d-974f-6cf74a7440d1/bin/uautomizer-Z5i5R5N3CC/witness.graphml [2021-10-11 00:23:08,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:23:08,890 INFO L168 Benchmark]: Toolchain (without parser) took 994.10 ms. Allocated memory is still 113.2 MB. Free memory was 85.6 MB in the beginning and 46.0 MB in the end (delta: 39.5 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:08,891 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:23:08,892 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.56 ms. Allocated memory is still 113.2 MB. Free memory was 85.4 MB in the beginning and 76.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:08,892 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.18 ms. Allocated memory is still 113.2 MB. Free memory was 75.8 MB in the beginning and 74.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:23:08,893 INFO L168 Benchmark]: Boogie Preprocessor took 20.51 ms. Allocated memory is still 113.2 MB. Free memory was 74.5 MB in the beginning and 73.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:08,894 INFO L168 Benchmark]: RCFGBuilder took 356.46 ms. Allocated memory is still 113.2 MB. Free memory was 73.4 MB in the beginning and 60.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:08,895 INFO L168 Benchmark]: TraceAbstraction took 273.45 ms. Allocated memory is still 113.2 MB. Free memory was 60.5 MB in the beginning and 47.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:08,895 INFO L168 Benchmark]: Witness Printer took 54.17 ms. Allocated memory is still 113.2 MB. Free memory was 47.7 MB in the beginning and 46.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 00:23:08,899 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 247.56 ms. Allocated memory is still 113.2 MB. Free memory was 85.4 MB in the beginning and 76.0 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.18 ms. Allocated memory is still 113.2 MB. Free memory was 75.8 MB in the beginning and 74.5 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.51 ms. Allocated memory is still 113.2 MB. Free memory was 74.5 MB in the beginning and 73.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 356.46 ms. Allocated memory is still 113.2 MB. Free memory was 73.4 MB in the beginning and 60.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 273.45 ms. Allocated memory is still 113.2 MB. Free memory was 60.5 MB in the beginning and 47.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 54.17 ms. Allocated memory is still 113.2 MB. Free memory was 47.7 MB in the beginning and 46.0 MB in the end (delta: 1.6 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: 25]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int i = __VERIFIER_nondet_int(); [L21] int j = __VERIFIER_nondet_int(); [L22] int k = __VERIFIER_nondet_int(); [L23] COND FALSE !(!(i 0)) [L24] COND TRUE i