./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c --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_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 24a5f4d4ce175d9ecfca07767d6ef832e3a186b51201df9014bcfdfc526e31cf --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:33:13,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:33:13,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:33:13,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:33:13,437 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:33:13,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:33:13,443 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:33:13,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:33:13,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:33:13,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:33:13,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:33:13,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:33:13,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:33:13,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:33:13,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:33:13,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:33:13,469 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:33:13,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:33:13,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:33:13,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:33:13,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:33:13,490 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:33:13,494 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:33:13,495 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:33:13,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:33:13,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:33:13,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:33:13,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:33:13,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:33:13,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:33:13,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:33:13,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:33:13,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:33:13,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:33:13,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:33:13,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:33:13,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:33:13,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:33:13,517 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:33:13,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:33:13,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:33:13,521 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-25 20:33:13,563 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:33:13,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:33:13,564 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:33:13,564 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:33:13,565 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:33:13,565 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:33:13,566 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:33:13,566 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:33:13,566 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:33:13,566 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:33:13,567 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:33:13,567 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:33:13,568 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:33:13,568 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:33:13,568 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:33:13,568 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:33:13,568 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:33:13,569 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:33:13,569 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:33:13,569 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 20:33:13,570 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 20:33:13,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:33:13,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 20:33:13,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:33:13,570 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:33:13,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:33:13,571 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:33:13,571 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-25 20:33:13,571 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 20:33:13,571 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:33:13,571 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:33:13,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:33:13,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:33:13,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:33:13,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:33:13,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:33:13,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:33:13,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:33:13,573 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:33:13,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:33:13,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:33:13,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:33:13,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:33:13,575 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24a5f4d4ce175d9ecfca07767d6ef832e3a186b51201df9014bcfdfc526e31cf [2021-11-25 20:33:13,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:33:13,867 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:33:13,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:33:13,872 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:33:13,872 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:33:13,874 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c [2021-11-25 20:33:13,937 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/data/bae8ee730/a82780f0d4e34127869659b4d5db5853/FLAG97b7b99bd [2021-11-25 20:33:14,457 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:33:14,458 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c [2021-11-25 20:33:14,477 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/data/bae8ee730/a82780f0d4e34127869659b4d5db5853/FLAG97b7b99bd [2021-11-25 20:33:14,775 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/data/bae8ee730/a82780f0d4e34127869659b4d5db5853 [2021-11-25 20:33:14,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:33:14,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:33:14,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:33:14,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:33:14,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:33:14,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:33:14" (1/1) ... [2021-11-25 20:33:14,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@700b6fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:14, skipping insertion in model container [2021-11-25 20:33:14,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:33:14" (1/1) ... [2021-11-25 20:33:14,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:33:14,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:33:15,120 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_0b5f355c-7512-4377-a84a-9e1e8dabc983/sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c[44868,44881] [2021-11-25 20:33:15,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:33:15,133 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:33:15,221 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_0b5f355c-7512-4377-a84a-9e1e8dabc983/sv-benchmarks/c/bitvector/s3_srvr_1.BV.c.cil.c[44868,44881] [2021-11-25 20:33:15,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:33:15,252 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:33:15,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:15 WrapperNode [2021-11-25 20:33:15,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:33:15,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:33:15,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:33:15,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:33:15,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:15" (1/1) ... [2021-11-25 20:33:15,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:15" (1/1) ... [2021-11-25 20:33:15,327 INFO L137 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 536 [2021-11-25 20:33:15,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:33:15,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:33:15,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:33:15,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:33:15,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:15" (1/1) ... [2021-11-25 20:33:15,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:15" (1/1) ... [2021-11-25 20:33:15,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:15" (1/1) ... [2021-11-25 20:33:15,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:15" (1/1) ... [2021-11-25 20:33:15,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:15" (1/1) ... [2021-11-25 20:33:15,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:15" (1/1) ... [2021-11-25 20:33:15,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:15" (1/1) ... [2021-11-25 20:33:15,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:33:15,402 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:33:15,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:33:15,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:33:15,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:15" (1/1) ... [2021-11-25 20:33:15,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:33:15,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:33:15,455 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:33:15,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:33:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:33:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:33:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:33:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:33:15,586 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:33:15,588 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:33:15,606 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-25 20:33:16,233 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-25 20:33:16,234 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-25 20:33:16,234 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:33:16,375 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:33:16,375 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-25 20:33:16,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:33:16 BoogieIcfgContainer [2021-11-25 20:33:16,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:33:16,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:33:16,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:33:16,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:33:16,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:33:14" (1/3) ... [2021-11-25 20:33:16,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b973933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:33:16, skipping insertion in model container [2021-11-25 20:33:16,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:33:15" (2/3) ... [2021-11-25 20:33:16,386 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b973933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:33:16, skipping insertion in model container [2021-11-25 20:33:16,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:33:16" (3/3) ... [2021-11-25 20:33:16,391 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1.BV.c.cil.c [2021-11-25 20:33:16,397 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:33:16,397 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2021-11-25 20:33:16,443 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:33:16,451 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 [2021-11-25 20:33:16,451 INFO L340 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2021-11-25 20:33:16,470 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 117 states have (on average 1.794871794871795) internal successors, (210), 129 states have internal predecessors, (210), 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) [2021-11-25 20:33:16,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-11-25 20:33:16,475 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:33:16,476 INFO L514 BasicCegarLoop]: trace histogram [1, 1] [2021-11-25 20:33:16,477 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2021-11-25 20:33:16,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:33:16,482 INFO L85 PathProgramCache]: Analyzing trace with hash 21094, now seen corresponding path program 1 times [2021-11-25 20:33:16,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:33:16,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835357642] [2021-11-25 20:33:16,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:33:16,494 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:33:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 20:33:16,592 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 20:33:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 20:33:16,646 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 20:33:16,648 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 20:33:16,650 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2021-11-25 20:33:16,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2021-11-25 20:33:16,652 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2021-11-25 20:33:16,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2021-11-25 20:33:16,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2021-11-25 20:33:16,653 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2021-11-25 20:33:16,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2021-11-25 20:33:16,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2021-11-25 20:33:16,654 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2021-11-25 20:33:16,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2021-11-25 20:33:16,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2021-11-25 20:33:16,655 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2021-11-25 20:33:16,656 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:33:16,661 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-25 20:33:16,664 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 20:33:16,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 08:33:16 BoogieIcfgContainer [2021-11-25 20:33:16,702 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 20:33:16,703 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 20:33:16,703 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 20:33:16,704 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 20:33:16,704 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:33:16" (3/4) ... [2021-11-25 20:33:16,706 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-25 20:33:16,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 20:33:16,761 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 20:33:16,762 INFO L158 Benchmark]: Toolchain (without parser) took 1982.73ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 69.8MB in the beginning and 87.5MB in the end (delta: -17.8MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2021-11-25 20:33:16,763 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 20:33:16,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.43ms. Allocated memory is still 111.1MB. Free memory was 69.6MB in the beginning and 81.6MB in the end (delta: -12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-25 20:33:16,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.89ms. Allocated memory is still 111.1MB. Free memory was 81.6MB in the beginning and 78.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 20:33:16,764 INFO L158 Benchmark]: Boogie Preprocessor took 73.30ms. Allocated memory is still 111.1MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 20:33:16,765 INFO L158 Benchmark]: RCFGBuilder took 975.49ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 76.5MB in the beginning and 108.1MB in the end (delta: -31.5MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2021-11-25 20:33:16,766 INFO L158 Benchmark]: TraceAbstraction took 322.77ms. Allocated memory is still 136.3MB. Free memory was 107.2MB in the beginning and 90.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-25 20:33:16,766 INFO L158 Benchmark]: Witness Printer took 57.68ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 87.5MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 20:33:16,769 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 86.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.43ms. Allocated memory is still 111.1MB. Free memory was 69.6MB in the beginning and 81.6MB in the end (delta: -12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.89ms. Allocated memory is still 111.1MB. Free memory was 81.6MB in the beginning and 78.6MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.30ms. Allocated memory is still 111.1MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 975.49ms. Allocated memory was 111.1MB in the beginning and 136.3MB in the end (delta: 25.2MB). Free memory was 76.5MB in the beginning and 108.1MB in the end (delta: -31.5MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * TraceAbstraction took 322.77ms. Allocated memory is still 136.3MB. Free memory was 107.2MB in the beginning and 90.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 57.68ms. Allocated memory is still 136.3MB. Free memory was 90.5MB in the beginning and 87.5MB in the end (delta: 2.9MB). 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: 91]: integer overflow possible integer overflow possible We found a FailurePath: [L689] int s ; [L690] int tmp ; [L694] s = 8464 [L695] CALL ssl3_accept(s) [L20] int s__info_callback = __VERIFIER_nondet_int(); [L21] int s__in_handshake = __VERIFIER_nondet_int(); [L22] int s__state ; [L23] int s__new_session ; [L24] int s__server ; [L25] int s__version = __VERIFIER_nondet_int(); [L26] int s__type ; [L27] int s__init_num ; [L28] int s__hit = __VERIFIER_nondet_int(); [L29] int s__rwstate ; [L30] int s__init_buf___0 ; [L31] int s__debug = __VERIFIER_nondet_int(); [L32] int s__shutdown ; [L33] int s__cert = __VERIFIER_nondet_int(); [L34] int s__options = __VERIFIER_nondet_int(); [L35] int s__verify_mode = __VERIFIER_nondet_int(); [L36] int s__session__peer = __VERIFIER_nondet_int(); [L37] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int(); [L38] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L39] int s__ctx__stats__sess_accept_renegotiate ; [L40] int s__ctx__stats__sess_accept ; [L41] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int(); [L42] int s__s3__tmp__cert_request ; [L43] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L44] int s__s3__tmp__use_rsa_tmp ; [L45] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L46] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L47] int s__s3__tmp__next_state___0 ; [L48] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int(); [L49] int s__session__cipher ; [L50] int buf = __VERIFIER_nondet_int(); [L51] unsigned long l ; [L52] unsigned long Time ; [L53] unsigned long tmp = __VERIFIER_nondet_ulong(); [L54] int cb ; [L55] long num1 ; [L56] int ret ; [L57] int new_state ; [L58] int state ; [L59] int skip ; [L60] int got_new_session ; [L61] int tmp___1 = __VERIFIER_nondet_int(); [L62] int tmp___2 = __VERIFIER_nondet_int(); [L63] int tmp___3 ; [L64] int tmp___4 ; [L65] int tmp___5 ; [L66] int tmp___6 ; [L67] int tmp___7 ; [L68] long tmp___8 = __VERIFIER_nondet_long(); [L69] int tmp___9 ; [L70] int tmp___10 ; [L71] int blastFlag ; [L72] int __retres67 ; [L75] s__state = initial_state [L76] blastFlag = 0 [L77] Time = tmp [L78] cb = 0 [L79] ret = -1 [L80] skip = 0 [L81] got_new_session = 0 [L82] COND TRUE s__info_callback != 0 [L83] cb = s__info_callback VAL [\old(initial_state)=8464, blastFlag=0, buf=0, cb=-1, got_new_session=0, initial_state=8464, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=-1, s__ctx__stats__sess_accept_good=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=-1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=2147483648, tmp=2147483648, tmp___1=0, tmp___2=0, tmp___8=0] [L91] s__in_handshake + 1 VAL [\old(initial_state)=8464, blastFlag=0, buf=0, cb=-1, got_new_session=0, initial_state=8464, ret=-1, s__cert=0, s__cert__pkeys__AT0__privatekey=0, s__ctx__info_callback=-1, s__ctx__stats__sess_accept_good=0, s__debug=0, s__hit=0, s__in_handshake=2147483647, s__info_callback=-1, s__options=0, s__s3__tmp__new_cipher=0, s__s3__tmp__new_cipher__algo_strength=0, s__s3__tmp__new_cipher__algorithms=0, s__s3__tmp__reuse_message=0, s__session__peer=0, s__state=8464, s__verify_mode=0, s__version=0, skip=0, Time=2147483648, tmp=2147483648, tmp___1=0, tmp___2=0, tmp___8=0] - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 267]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 267]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 269]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 269]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 368]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 368]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 585]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 672]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 672]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 130 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2021-11-25 20:33:16,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0b5f355c-7512-4377-a84a-9e1e8dabc983/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)