./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa --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 12586f28203ad48b9026fe813c42990970a62196c7a1d36489c96f441bedf780 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:23:14,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:23:14,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:23:14,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:23:14,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:23:14,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:23:14,333 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:23:14,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:23:14,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:23:14,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:23:14,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:23:14,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:23:14,341 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:23:14,348 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:23:14,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:23:14,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:23:14,352 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:23:14,353 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:23:14,355 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:23:14,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:23:14,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:23:14,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:23:14,362 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:23:14,363 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:23:14,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:23:14,367 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:23:14,367 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:23:14,369 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:23:14,369 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:23:14,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:23:14,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:23:14,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:23:14,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:23:14,377 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:23:14,378 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:23:14,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:23:14,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:23:14,379 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:23:14,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:23:14,380 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:23:14,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:23:14,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-06 19:23:14,407 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:23:14,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:23:14,408 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:23:14,408 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:23:14,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:23:14,409 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:23:14,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:23:14,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:23:14,409 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:23:14,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:23:14,410 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 19:23:14,410 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 19:23:14,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:23:14,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 19:23:14,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:23:14,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:23:14,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:23:14,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:23:14,411 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-06 19:23:14,411 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 19:23:14,411 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:23:14,411 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:23:14,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:23:14,411 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:23:14,411 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:23:14,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:23:14,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:23:14,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:23:14,412 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:23:14,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:23:14,412 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:23:14,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:23:14,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:23:14,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:23:14,413 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_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12586f28203ad48b9026fe813c42990970a62196c7a1d36489c96f441bedf780 [2021-12-06 19:23:14,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:23:14,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:23:14,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:23:14,600 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:23:14,601 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:23:14,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2021-12-06 19:23:14,644 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/data/3b97882dd/4e7d6c673ef44ab8b74a3a5f4f3c4798/FLAG123724ff2 [2021-12-06 19:23:15,006 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:23:15,006 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/sv-benchmarks/c/loop-zilu/benchmark48_linear.i [2021-12-06 19:23:15,010 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/data/3b97882dd/4e7d6c673ef44ab8b74a3a5f4f3c4798/FLAG123724ff2 [2021-12-06 19:23:15,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/data/3b97882dd/4e7d6c673ef44ab8b74a3a5f4f3c4798 [2021-12-06 19:23:15,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:23:15,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:23:15,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:23:15,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:23:15,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:23:15,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:23:15" (1/1) ... [2021-12-06 19:23:15,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@db259ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:15, skipping insertion in model container [2021-12-06 19:23:15,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:23:15" (1/1) ... [2021-12-06 19:23:15,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:23:15,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:23:15,139 WARN L230 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_ee95d151-435c-4eaa-86f4-77ac0369e492/sv-benchmarks/c/loop-zilu/benchmark48_linear.i[868,881] [2021-12-06 19:23:15,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:23:15,150 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:23:15,158 WARN L230 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_ee95d151-435c-4eaa-86f4-77ac0369e492/sv-benchmarks/c/loop-zilu/benchmark48_linear.i[868,881] [2021-12-06 19:23:15,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:23:15,171 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:23:15,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:15 WrapperNode [2021-12-06 19:23:15,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:23:15,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:23:15,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:23:15,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:23:15,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:15" (1/1) ... [2021-12-06 19:23:15,182 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:15" (1/1) ... [2021-12-06 19:23:15,195 INFO L137 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2021-12-06 19:23:15,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:23:15,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:23:15,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:23:15,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:23:15,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:15" (1/1) ... [2021-12-06 19:23:15,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:15" (1/1) ... [2021-12-06 19:23:15,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:15" (1/1) ... [2021-12-06 19:23:15,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:15" (1/1) ... [2021-12-06 19:23:15,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:15" (1/1) ... [2021-12-06 19:23:15,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:15" (1/1) ... [2021-12-06 19:23:15,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:15" (1/1) ... [2021-12-06 19:23:15,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:23:15,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:23:15,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:23:15,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:23:15,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:15" (1/1) ... [2021-12-06 19:23:15,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:23:15,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:23:15,238 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:23:15,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:23:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:23:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:23:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:23:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:23:15,315 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:23:15,317 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:23:15,403 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:23:15,409 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:23:15,409 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 19:23:15,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:23:15 BoogieIcfgContainer [2021-12-06 19:23:15,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:23:15,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:23:15,414 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:23:15,417 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:23:15,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:23:15" (1/3) ... [2021-12-06 19:23:15,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@383f9e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:23:15, skipping insertion in model container [2021-12-06 19:23:15,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:23:15" (2/3) ... [2021-12-06 19:23:15,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@383f9e90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:23:15, skipping insertion in model container [2021-12-06 19:23:15,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:23:15" (3/3) ... [2021-12-06 19:23:15,420 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark48_linear.i [2021-12-06 19:23:15,424 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:23:15,425 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2021-12-06 19:23:15,476 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:23:15,481 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=FINITE_AUTOMATA, 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 [2021-12-06 19:23:15,482 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-12-06 19:23:15,492 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 20 states have internal predecessors, (24), 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) [2021-12-06 19:23:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-12-06 19:23:15,496 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:23:15,497 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-12-06 19:23:15,497 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2021-12-06 19:23:15,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:23:15,501 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times [2021-12-06 19:23:15,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:23:15,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137920390] [2021-12-06 19:23:15,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:23:15,510 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:23:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:23:15,580 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 19:23:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 19:23:15,601 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 19:23:15,603 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-06 19:23:15,604 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2021-12-06 19:23:15,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2021-12-06 19:23:15,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2021-12-06 19:23:15,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2021-12-06 19:23:15,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2021-12-06 19:23:15,606 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2021-12-06 19:23:15,607 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:23:15,610 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-06 19:23:15,613 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-06 19:23:15,627 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:23:15 BoogieIcfgContainer [2021-12-06 19:23:15,627 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-06 19:23:15,628 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 19:23:15,628 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 19:23:15,628 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 19:23:15,628 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:23:15" (3/4) ... [2021-12-06 19:23:15,630 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-06 19:23:15,652 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee95d151-435c-4eaa-86f4-77ac0369e492/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-06 19:23:15,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 19:23:15,653 INFO L158 Benchmark]: Toolchain (without parser) took 631.06ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 65.4MB in the end (delta: 11.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-12-06 19:23:15,654 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 75.5MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 49.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:23:15,654 INFO L158 Benchmark]: CACSL2BoogieTranslator took 148.66ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 66.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 19:23:15,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.48ms. Allocated memory is still 100.7MB. Free memory was 66.9MB in the beginning and 65.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:23:15,655 INFO L158 Benchmark]: Boogie Preprocessor took 13.60ms. Allocated memory is still 100.7MB. Free memory was 65.4MB in the beginning and 64.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:23:15,656 INFO L158 Benchmark]: RCFGBuilder took 201.50ms. Allocated memory is still 100.7MB. Free memory was 64.4MB in the beginning and 55.4MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 19:23:15,656 INFO L158 Benchmark]: TraceAbstraction took 213.56ms. Allocated memory is still 100.7MB. Free memory was 54.9MB in the beginning and 67.0MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 19:23:15,657 INFO L158 Benchmark]: Witness Printer took 24.93ms. Allocated memory is still 100.7MB. Free memory was 67.0MB in the beginning and 65.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 19:23:15,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 75.5MB. Free memory was 45.9MB in the beginning and 45.8MB in the end (delta: 49.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 148.66ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 66.9MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.48ms. Allocated memory is still 100.7MB. Free memory was 66.9MB in the beginning and 65.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 13.60ms. Allocated memory is still 100.7MB. Free memory was 65.4MB in the beginning and 64.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 201.50ms. Allocated memory is still 100.7MB. Free memory was 64.4MB in the beginning and 55.4MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 213.56ms. Allocated memory is still 100.7MB. Free memory was 54.9MB in the beginning and 67.0MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 24.93ms. Allocated memory is still 100.7MB. Free memory was 67.0MB in the beginning and 65.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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: 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)) VAL [i=0, j=1, k=2147483647] [L24] COND TRUE i