./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8 --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 519a7ae0b283c5eb2973bba678b1d0a3eb15c9b31ecdfa5778e9d8e9ee3a8465 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:09:33,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:09:33,212 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:09:33,264 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:09:33,265 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:09:33,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:09:33,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:09:33,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:09:33,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:09:33,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:09:33,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:09:33,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:09:33,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:09:33,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:09:33,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:09:33,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:09:33,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:09:33,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:09:33,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:09:33,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:09:33,313 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:09:33,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:09:33,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:09:33,319 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:09:33,327 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:09:33,328 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:09:33,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:09:33,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:09:33,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:09:33,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:09:33,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:09:33,334 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:09:33,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:09:33,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:09:33,339 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:09:33,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:09:33,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:09:33,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:09:33,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:09:33,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:09:33,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:09:33,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-11-07 02:09:33,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:09:33,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:09:33,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:09:33,385 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:09:33,386 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:09:33,386 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:09:33,386 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:09:33,387 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:09:33,393 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:09:33,393 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:09:33,394 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:09:33,395 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:09:33,395 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:09:33,395 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:09:33,396 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:09:33,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:09:33,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:09:33,398 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-07 02:09:33,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:09:33,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:09:33,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:09:33,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:09:33,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:09:33,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:09:33,400 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-07 02:09:33,400 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:09:33,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:09:33,401 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:09:33,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:09:33,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:09:33,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:09:33,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:09:33,403 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:09:33,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:09:33,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:09:33,403 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:09:33,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:09:33,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:09:33,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:09:33,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:09:33,405 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_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 519a7ae0b283c5eb2973bba678b1d0a3eb15c9b31ecdfa5778e9d8e9ee3a8465 [2021-11-07 02:09:33,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:09:33,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:09:33,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:09:33,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:09:33,754 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:09:33,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2021-11-07 02:09:33,826 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/data/9b9f72b52/587d6eccb94a4829808dffe20aaa8465/FLAG6e8695e9a [2021-11-07 02:09:34,317 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:09:34,318 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2021-11-07 02:09:34,341 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/data/9b9f72b52/587d6eccb94a4829808dffe20aaa8465/FLAG6e8695e9a [2021-11-07 02:09:34,655 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/data/9b9f72b52/587d6eccb94a4829808dffe20aaa8465 [2021-11-07 02:09:34,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:09:34,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:09:34,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:09:34,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:09:34,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:09:34,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:09:34" (1/1) ... [2021-11-07 02:09:34,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f6d375d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:09:34, skipping insertion in model container [2021-11-07 02:09:34,671 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:09:34" (1/1) ... [2021-11-07 02:09:34,687 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:09:34,729 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:09:34,984 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44660,44673] [2021-11-07 02:09:34,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:09:34,999 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:09:35,056 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44660,44673] [2021-11-07 02:09:35,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:09:35,072 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:09:35,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:09:35 WrapperNode [2021-11-07 02:09:35,077 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:09:35,078 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:09:35,078 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:09:35,078 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:09:35,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:09:35" (1/1) ... [2021-11-07 02:09:35,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:09:35" (1/1) ... [2021-11-07 02:09:35,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:09:35,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:09:35,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:09:35,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:09:35,165 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:09:35" (1/1) ... [2021-11-07 02:09:35,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:09:35" (1/1) ... [2021-11-07 02:09:35,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:09:35" (1/1) ... [2021-11-07 02:09:35,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:09:35" (1/1) ... [2021-11-07 02:09:35,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:09:35" (1/1) ... [2021-11-07 02:09:35,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:09:35" (1/1) ... [2021-11-07 02:09:35,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:09:35" (1/1) ... [2021-11-07 02:09:35,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:09:35,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:09:35,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:09:35,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:09:35,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:09:35" (1/1) ... [2021-11-07 02:09:35,225 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:09:35,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:09:35,245 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:09:35,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:09:35,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 02:09:35,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:09:35,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:09:35,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:09:35,413 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 02:09:35,956 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-11-07 02:09:35,965 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-11-07 02:09:36,325 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:09:36,326 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-07 02:09:36,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:09:36 BoogieIcfgContainer [2021-11-07 02:09:36,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:09:36,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:09:36,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:09:36,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:09:36,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:09:34" (1/3) ... [2021-11-07 02:09:36,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8a5524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:09:36, skipping insertion in model container [2021-11-07 02:09:36,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:09:35" (2/3) ... [2021-11-07 02:09:36,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c8a5524 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:09:36, skipping insertion in model container [2021-11-07 02:09:36,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:09:36" (3/3) ... [2021-11-07 02:09:36,341 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a_alt.BV.c.cil.c [2021-11-07 02:09:36,349 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:09:36,349 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-11-07 02:09:36,428 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:09:36,436 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 [2021-11-07 02:09:36,436 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-11-07 02:09:36,460 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 106 states have (on average 1.7924528301886793) internal successors, (190), 111 states have internal predecessors, (190), 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) [2021-11-07 02:09:36,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-07 02:09:36,466 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:09:36,467 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 02:09:36,468 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2021-11-07 02:09:36,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:09:36,474 INFO L85 PathProgramCache]: Analyzing trace with hash 224353924, now seen corresponding path program 1 times [2021-11-07 02:09:36,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:09:36,487 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932632978] [2021-11-07 02:09:36,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:09:36,489 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:09:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:09:36,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:09:36,697 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-07 02:09:36,698 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932632978] [2021-11-07 02:09:36,699 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932632978] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 02:09:36,700 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:09:36,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 02:09:36,704 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700166205] [2021-11-07 02:09:36,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 02:09:36,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-07 02:09:36,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 02:09:36,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:09:36,738 INFO L87 Difference]: Start difference. First operand has 112 states, 106 states have (on average 1.7924528301886793) internal successors, (190), 111 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-07 02:09:36,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:09:36,774 INFO L93 Difference]: Finished difference Result 206 states and 355 transitions. [2021-11-07 02:09:36,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 02:09:36,775 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-07 02:09:36,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:09:36,786 INFO L225 Difference]: With dead ends: 206 [2021-11-07 02:09:36,786 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 02:09:36,794 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 02:09:36,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 02:09:36,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 02:09:36,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-11-07 02:09:36,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 02:09:36,825 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2021-11-07 02:09:36,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:09:36,825 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 02:09:36,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-11-07 02:09:36,826 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 02:09:36,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 02:09:36,830 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 02:09:36,831 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 02:09:36,831 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 02:09:36,832 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 02:09:36,832 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-11-07 02:09:36,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 02:09:36,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 02:09:36,841 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,854 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,856 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,860 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,867 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,872 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,878 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:09:36,921 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 277) no Hoare annotation was computed. [2021-11-07 02:09:36,922 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 397) no Hoare annotation was computed. [2021-11-07 02:09:36,922 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 272) no Hoare annotation was computed. [2021-11-07 02:09:36,922 INFO L857 garLoopResultBuilder]: For program point L201(lines 201 607) no Hoare annotation was computed. [2021-11-07 02:09:36,922 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 618) no Hoare annotation was computed. [2021-11-07 02:09:36,923 INFO L860 garLoopResultBuilder]: At program point L135(lines 135 629) the Hoare annotation is: true [2021-11-07 02:09:36,924 INFO L857 garLoopResultBuilder]: For program point L532(lines 532 537) no Hoare annotation was computed. [2021-11-07 02:09:36,924 INFO L860 garLoopResultBuilder]: At program point L202(lines 198 608) the Hoare annotation is: true [2021-11-07 02:09:36,925 INFO L860 garLoopResultBuilder]: At program point L169(lines 165 619) the Hoare annotation is: true [2021-11-07 02:09:36,926 INFO L860 garLoopResultBuilder]: At program point L599(lines 111 667) the Hoare annotation is: true [2021-11-07 02:09:36,927 INFO L857 garLoopResultBuilder]: For program point L566(lines 566 570) no Hoare annotation was computed. [2021-11-07 02:09:36,931 INFO L857 garLoopResultBuilder]: For program point L302-2(lines 221 598) no Hoare annotation was computed. [2021-11-07 02:09:36,931 INFO L857 garLoopResultBuilder]: For program point L369(lines 369 396) no Hoare annotation was computed. [2021-11-07 02:09:36,933 INFO L857 garLoopResultBuilder]: For program point L369-1(lines 369 396) no Hoare annotation was computed. [2021-11-07 02:09:36,933 INFO L857 garLoopResultBuilder]: For program point L204(lines 204 606) no Hoare annotation was computed. [2021-11-07 02:09:36,933 INFO L857 garLoopResultBuilder]: For program point L171(lines 171 617) no Hoare annotation was computed. [2021-11-07 02:09:36,935 INFO L857 garLoopResultBuilder]: For program point L138(lines 138 628) no Hoare annotation was computed. [2021-11-07 02:09:36,935 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 393) no Hoare annotation was computed. [2021-11-07 02:09:36,935 INFO L860 garLoopResultBuilder]: At program point L668(lines 110 669) the Hoare annotation is: true [2021-11-07 02:09:36,935 INFO L857 garLoopResultBuilder]: For program point L405(lines 405 436) no Hoare annotation was computed. [2021-11-07 02:09:36,937 INFO L857 garLoopResultBuilder]: For program point L207(lines 207 605) no Hoare annotation was computed. [2021-11-07 02:09:36,938 INFO L857 garLoopResultBuilder]: For program point L174(lines 174 616) no Hoare annotation was computed. [2021-11-07 02:09:36,938 INFO L857 garLoopResultBuilder]: For program point L141(lines 141 627) no Hoare annotation was computed. [2021-11-07 02:09:36,938 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 275) no Hoare annotation was computed. [2021-11-07 02:09:36,944 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 665) no Hoare annotation was computed. [2021-11-07 02:09:36,944 INFO L857 garLoopResultBuilder]: For program point L406(lines 406 412) no Hoare annotation was computed. [2021-11-07 02:09:36,945 INFO L857 garLoopResultBuilder]: For program point L373(lines 373 392) no Hoare annotation was computed. [2021-11-07 02:09:36,945 INFO L857 garLoopResultBuilder]: For program point L274(line 274) no Hoare annotation was computed. [2021-11-07 02:09:36,945 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 258) no Hoare annotation was computed. [2021-11-07 02:09:36,945 INFO L860 garLoopResultBuilder]: At program point L208(lines 204 606) the Hoare annotation is: true [2021-11-07 02:09:36,946 INFO L860 garLoopResultBuilder]: At program point L175(lines 171 617) the Hoare annotation is: true [2021-11-07 02:09:36,946 INFO L857 garLoopResultBuilder]: For program point L241-2(lines 221 598) no Hoare annotation was computed. [2021-11-07 02:09:36,946 INFO L857 garLoopResultBuilder]: For program point L638(lines 638 662) no Hoare annotation was computed. [2021-11-07 02:09:36,946 INFO L857 garLoopResultBuilder]: For program point L506(lines 506 510) no Hoare annotation was computed. [2021-11-07 02:09:36,946 INFO L857 garLoopResultBuilder]: For program point L539-2(lines 221 598) no Hoare annotation was computed. [2021-11-07 02:09:36,947 INFO L857 garLoopResultBuilder]: For program point L374-2(lines 373 390) no Hoare annotation was computed. [2021-11-07 02:09:36,947 INFO L857 garLoopResultBuilder]: For program point L275(line 275) no Hoare annotation was computed. [2021-11-07 02:09:36,947 INFO L857 garLoopResultBuilder]: For program point L275-1(line 275) no Hoare annotation was computed. [2021-11-07 02:09:36,947 INFO L857 garLoopResultBuilder]: For program point L639(lines 639 648) no Hoare annotation was computed. [2021-11-07 02:09:36,947 INFO L857 garLoopResultBuilder]: For program point L639-2(lines 638 660) no Hoare annotation was computed. [2021-11-07 02:09:36,948 INFO L857 garLoopResultBuilder]: For program point L474(lines 474 478) no Hoare annotation was computed. [2021-11-07 02:09:36,948 INFO L857 garLoopResultBuilder]: For program point L342-1(lines 342 351) no Hoare annotation was computed. [2021-11-07 02:09:36,948 INFO L857 garLoopResultBuilder]: For program point L243(lines 243 248) no Hoare annotation was computed. [2021-11-07 02:09:36,948 INFO L857 garLoopResultBuilder]: For program point L210(lines 210 604) no Hoare annotation was computed. [2021-11-07 02:09:36,948 INFO L857 garLoopResultBuilder]: For program point L177(lines 177 615) no Hoare annotation was computed. [2021-11-07 02:09:36,949 INFO L857 garLoopResultBuilder]: For program point L144(lines 144 626) no Hoare annotation was computed. [2021-11-07 02:09:36,949 INFO L860 garLoopResultBuilder]: At program point L111-2(lines 111 667) the Hoare annotation is: true [2021-11-07 02:09:36,949 INFO L857 garLoopResultBuilder]: For program point L277(line 277) no Hoare annotation was computed. [2021-11-07 02:09:36,949 INFO L857 garLoopResultBuilder]: For program point L277-1(line 277) no Hoare annotation was computed. [2021-11-07 02:09:36,949 INFO L860 garLoopResultBuilder]: At program point L178(lines 177 615) the Hoare annotation is: true [2021-11-07 02:09:36,950 INFO L860 garLoopResultBuilder]: At program point L145(lines 138 628) the Hoare annotation is: true [2021-11-07 02:09:36,950 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 645) no Hoare annotation was computed. [2021-11-07 02:09:36,950 INFO L860 garLoopResultBuilder]: At program point L213(lines 213 603) the Hoare annotation is: true [2021-11-07 02:09:36,950 INFO L857 garLoopResultBuilder]: For program point L180(lines 180 614) no Hoare annotation was computed. [2021-11-07 02:09:36,950 INFO L857 garLoopResultBuilder]: For program point L147(lines 147 625) no Hoare annotation was computed. [2021-11-07 02:09:36,951 INFO L860 garLoopResultBuilder]: At program point L114(lines 114 636) the Hoare annotation is: true [2021-11-07 02:09:36,951 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 277) no Hoare annotation was computed. [2021-11-07 02:09:36,951 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 350) no Hoare annotation was computed. [2021-11-07 02:09:36,951 INFO L860 garLoopResultBuilder]: At program point L214(lines 210 604) the Hoare annotation is: true [2021-11-07 02:09:36,952 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 490) no Hoare annotation was computed. [2021-11-07 02:09:36,952 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 450) no Hoare annotation was computed. [2021-11-07 02:09:36,952 INFO L860 garLoopResultBuilder]: At program point L380(lines 363 398) the Hoare annotation is: true [2021-11-07 02:09:36,952 INFO L860 garLoopResultBuilder]: At program point L414(lines 405 436) the Hoare annotation is: true [2021-11-07 02:09:36,952 INFO L857 garLoopResultBuilder]: For program point L249(lines 249 254) no Hoare annotation was computed. [2021-11-07 02:09:36,953 INFO L857 garLoopResultBuilder]: For program point L183(lines 183 613) no Hoare annotation was computed. [2021-11-07 02:09:36,953 INFO L857 garLoopResultBuilder]: For program point L150(lines 150 624) no Hoare annotation was computed. [2021-11-07 02:09:36,953 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 635) no Hoare annotation was computed. [2021-11-07 02:09:36,953 INFO L857 garLoopResultBuilder]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-11-07 02:09:36,953 INFO L860 garLoopResultBuilder]: At program point L184(lines 180 614) the Hoare annotation is: true [2021-11-07 02:09:36,954 INFO L860 garLoopResultBuilder]: At program point L151(lines 147 625) the Hoare annotation is: true [2021-11-07 02:09:36,954 INFO L857 garLoopResultBuilder]: For program point L416(lines 416 422) no Hoare annotation was computed. [2021-11-07 02:09:36,954 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 02:09:36,954 INFO L857 garLoopResultBuilder]: For program point L483(lines 483 487) no Hoare annotation was computed. [2021-11-07 02:09:36,954 INFO L857 garLoopResultBuilder]: For program point L285(lines 285 289) no Hoare annotation was computed. [2021-11-07 02:09:36,955 INFO L857 garLoopResultBuilder]: For program point L186(lines 186 612) no Hoare annotation was computed. [2021-11-07 02:09:36,955 INFO L857 garLoopResultBuilder]: For program point L153(lines 153 623) no Hoare annotation was computed. [2021-11-07 02:09:36,955 INFO L857 garLoopResultBuilder]: For program point L120(lines 120 634) no Hoare annotation was computed. [2021-11-07 02:09:36,955 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 521) no Hoare annotation was computed. [2021-11-07 02:09:36,955 INFO L860 garLoopResultBuilder]: At program point L683(lines 76 685) the Hoare annotation is: true [2021-11-07 02:09:36,956 INFO L857 garLoopResultBuilder]: For program point L551(lines 551 556) no Hoare annotation was computed. [2021-11-07 02:09:36,956 INFO L857 garLoopResultBuilder]: For program point L189(lines 189 611) no Hoare annotation was computed. [2021-11-07 02:09:36,957 INFO L857 garLoopResultBuilder]: For program point L156(lines 156 622) no Hoare annotation was computed. [2021-11-07 02:09:36,958 INFO L857 garLoopResultBuilder]: For program point L123(lines 123 633) no Hoare annotation was computed. [2021-11-07 02:09:36,958 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 02:09:36,960 INFO L857 garLoopResultBuilder]: For program point L322-2(lines 221 598) no Hoare annotation was computed. [2021-11-07 02:09:36,960 INFO L860 garLoopResultBuilder]: At program point L190(lines 186 612) the Hoare annotation is: true [2021-11-07 02:09:36,960 INFO L860 garLoopResultBuilder]: At program point L157(lines 153 623) the Hoare annotation is: true [2021-11-07 02:09:36,960 INFO L860 garLoopResultBuilder]: At program point L224(lines 117 635) the Hoare annotation is: true [2021-11-07 02:09:36,961 INFO L857 garLoopResultBuilder]: For program point L456-1(lines 456 468) no Hoare annotation was computed. [2021-11-07 02:09:36,961 INFO L857 garLoopResultBuilder]: For program point L192(lines 192 610) no Hoare annotation was computed. [2021-11-07 02:09:36,961 INFO L857 garLoopResultBuilder]: For program point L159(lines 159 621) no Hoare annotation was computed. [2021-11-07 02:09:36,961 INFO L857 garLoopResultBuilder]: For program point L126(lines 126 632) no Hoare annotation was computed. [2021-11-07 02:09:36,962 INFO L860 garLoopResultBuilder]: At program point L424(lines 415 435) the Hoare annotation is: true [2021-11-07 02:09:36,962 INFO L857 garLoopResultBuilder]: For program point L358-2(lines 221 598) no Hoare annotation was computed. [2021-11-07 02:09:36,963 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 274) no Hoare annotation was computed. [2021-11-07 02:09:36,963 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 275) no Hoare annotation was computed. [2021-11-07 02:09:36,963 INFO L857 garLoopResultBuilder]: For program point L95-1(lines 76 685) no Hoare annotation was computed. [2021-11-07 02:09:36,963 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 464) no Hoare annotation was computed. [2021-11-07 02:09:36,963 INFO L857 garLoopResultBuilder]: For program point L195(lines 195 609) no Hoare annotation was computed. [2021-11-07 02:09:36,964 INFO L857 garLoopResultBuilder]: For program point L162(lines 162 620) no Hoare annotation was computed. [2021-11-07 02:09:36,964 INFO L857 garLoopResultBuilder]: For program point L129(lines 129 631) no Hoare annotation was computed. [2021-11-07 02:09:36,964 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 431) no Hoare annotation was computed. [2021-11-07 02:09:36,964 INFO L860 garLoopResultBuilder]: At program point L196(lines 192 610) the Hoare annotation is: true [2021-11-07 02:09:36,964 INFO L860 garLoopResultBuilder]: At program point L163(lines 159 621) the Hoare annotation is: true [2021-11-07 02:09:36,965 INFO L857 garLoopResultBuilder]: For program point L229-2(lines 221 598) no Hoare annotation was computed. [2021-11-07 02:09:36,965 INFO L860 garLoopResultBuilder]: At program point L561(lines 561 565) the Hoare annotation is: true [2021-11-07 02:09:36,965 INFO L857 garLoopResultBuilder]: For program point L495(lines 495 499) no Hoare annotation was computed. [2021-11-07 02:09:36,965 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 608) no Hoare annotation was computed. [2021-11-07 02:09:36,965 INFO L857 garLoopResultBuilder]: For program point L165(lines 165 619) no Hoare annotation was computed. [2021-11-07 02:09:36,965 INFO L857 garLoopResultBuilder]: For program point L132(lines 132 630) no Hoare annotation was computed. [2021-11-07 02:09:36,966 INFO L860 garLoopResultBuilder]: At program point L133(lines 129 631) the Hoare annotation is: true [2021-11-07 02:09:36,966 INFO L857 garLoopResultBuilder]: For program point L266(lines 266 279) no Hoare annotation was computed. [2021-11-07 02:09:36,969 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 02:09:36,971 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:09:36,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:09:36 BoogieIcfgContainer [2021-11-07 02:09:36,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:09:36,990 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:09:36,990 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:09:36,990 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:09:36,990 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:09:36" (3/4) ... [2021-11-07 02:09:36,994 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 02:09:37,018 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2021-11-07 02:09:37,025 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 02:09:37,026 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-07 02:09:37,027 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:09:37,180 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 02:09:37,181 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:09:37,183 INFO L168 Benchmark]: Toolchain (without parser) took 2522.62 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 62.9 MB in the beginning and 67.9 MB in the end (delta: -5.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:09:37,183 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 98.6 MB. Free memory was 68.7 MB in the beginning and 68.7 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:09:37,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 410.50 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 62.7 MB in the beginning and 100.8 MB in the end (delta: -38.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:09:37,184 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.61 ms. Allocated memory is still 130.0 MB. Free memory was 100.8 MB in the beginning and 97.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 02:09:37,185 INFO L168 Benchmark]: Boogie Preprocessor took 59.21 ms. Allocated memory is still 130.0 MB. Free memory was 97.9 MB in the beginning and 95.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:09:37,185 INFO L168 Benchmark]: RCFGBuilder took 1114.88 ms. Allocated memory is still 130.0 MB. Free memory was 95.8 MB in the beginning and 48.4 MB in the end (delta: 47.4 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:09:37,185 INFO L168 Benchmark]: TraceAbstraction took 651.97 ms. Allocated memory is still 130.0 MB. Free memory was 48.2 MB in the beginning and 77.0 MB in the end (delta: -28.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:09:37,186 INFO L168 Benchmark]: Witness Printer took 191.24 ms. Allocated memory is still 130.0 MB. Free memory was 77.0 MB in the beginning and 67.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:09:37,188 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 98.6 MB. Free memory was 68.7 MB in the beginning and 68.7 MB in the end (delta: 25.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 410.50 ms. Allocated memory was 98.6 MB in the beginning and 130.0 MB in the end (delta: 31.5 MB). Free memory was 62.7 MB in the beginning and 100.8 MB in the end (delta: -38.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.61 ms. Allocated memory is still 130.0 MB. Free memory was 100.8 MB in the beginning and 97.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 59.21 ms. Allocated memory is still 130.0 MB. Free memory was 97.9 MB in the beginning and 95.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1114.88 ms. Allocated memory is still 130.0 MB. Free memory was 95.8 MB in the beginning and 48.4 MB in the end (delta: 47.4 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 651.97 ms. Allocated memory is still 130.0 MB. Free memory was 48.2 MB in the beginning and 77.0 MB in the end (delta: -28.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 191.24 ms. Allocated memory is still 130.0 MB. Free memory was 77.0 MB in the beginning and 67.9 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 274]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 275]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 275]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 277]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 277]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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: 165 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 52 NumberOfFragments, 26 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 363]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 415]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-11-07 02:09:37,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ed4fba4-b791-4f71-90b4-07317dcb52e4/bin/utaipan-UUZaoUuFF8/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 Result: TRUE