./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/byte_add_1-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/byte_add_1-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG --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 0f228df5326e9a2af4c8b4cabb1b0357f6cae28b0c974d7c12db65aaebce6a00 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 06:02:01,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 06:02:01,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 06:02:01,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 06:02:01,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 06:02:01,372 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 06:02:01,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 06:02:01,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 06:02:01,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 06:02:01,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 06:02:01,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 06:02:01,390 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 06:02:01,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 06:02:01,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 06:02:01,401 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 06:02:01,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 06:02:01,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 06:02:01,409 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 06:02:01,412 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 06:02:01,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 06:02:01,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 06:02:01,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 06:02:01,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 06:02:01,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 06:02:01,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 06:02:01,438 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 06:02:01,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 06:02:01,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 06:02:01,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 06:02:01,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 06:02:01,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 06:02:01,442 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 06:02:01,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 06:02:01,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 06:02:01,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 06:02:01,445 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 06:02:01,446 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 06:02:01,446 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 06:02:01,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 06:02:01,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 06:02:01,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 06:02:01,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-29 06:02:01,483 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 06:02:01,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 06:02:01,484 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 06:02:01,485 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 06:02:01,485 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 06:02:01,485 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 06:02:01,485 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 06:02:01,485 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 06:02:01,486 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 06:02:01,486 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 06:02:01,486 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 06:02:01,486 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 06:02:01,487 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 06:02:01,487 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 06:02:01,487 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 06:02:01,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 06:02:01,488 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 06:02:01,488 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 06:02:01,489 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 06:02:01,489 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 06:02:01,489 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 06:02:01,489 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 06:02:01,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 06:02:01,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 06:02:01,490 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-29 06:02:01,490 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 06:02:01,490 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 06:02:01,491 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 06:02:01,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 06:02:01,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 06:02:01,491 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 06:02:01,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 06:02:01,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 06:02:01,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 06:02:01,492 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 06:02:01,493 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 06:02:01,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 06:02:01,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 06:02:01,493 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 06:02:01,493 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 06:02:01,494 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_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f228df5326e9a2af4c8b4cabb1b0357f6cae28b0c974d7c12db65aaebce6a00 [2021-10-29 06:02:01,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 06:02:01,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 06:02:01,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 06:02:01,811 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 06:02:01,812 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 06:02:01,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/bitvector/byte_add_1-1.i [2021-10-29 06:02:01,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/data/538ba7e09/2acd3538c3214ccb96deb56db5d623b8/FLAGa872b81dd [2021-10-29 06:02:02,389 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 06:02:02,389 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/sv-benchmarks/c/bitvector/byte_add_1-1.i [2021-10-29 06:02:02,396 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/data/538ba7e09/2acd3538c3214ccb96deb56db5d623b8/FLAGa872b81dd [2021-10-29 06:02:02,730 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/data/538ba7e09/2acd3538c3214ccb96deb56db5d623b8 [2021-10-29 06:02:02,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 06:02:02,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 06:02:02,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 06:02:02,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 06:02:02,751 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 06:02:02,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:02:02" (1/1) ... [2021-10-29 06:02:02,754 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30cb6ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:02, skipping insertion in model container [2021-10-29 06:02:02,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:02:02" (1/1) ... [2021-10-29 06:02:02,761 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 06:02:02,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 06:02:02,947 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_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/sv-benchmarks/c/bitvector/byte_add_1-1.i[863,876] [2021-10-29 06:02:02,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:02:03,008 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 06:02:03,044 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_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/sv-benchmarks/c/bitvector/byte_add_1-1.i[863,876] [2021-10-29 06:02:03,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 06:02:03,106 INFO L208 MainTranslator]: Completed translation [2021-10-29 06:02:03,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:03 WrapperNode [2021-10-29 06:02:03,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 06:02:03,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 06:02:03,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 06:02:03,128 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 06:02:03,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:03" (1/1) ... [2021-10-29 06:02:03,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:03" (1/1) ... [2021-10-29 06:02:03,196 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 06:02:03,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 06:02:03,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 06:02:03,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 06:02:03,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:03" (1/1) ... [2021-10-29 06:02:03,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:03" (1/1) ... [2021-10-29 06:02:03,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:03" (1/1) ... [2021-10-29 06:02:03,236 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:03" (1/1) ... [2021-10-29 06:02:03,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:03" (1/1) ... [2021-10-29 06:02:03,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:03" (1/1) ... [2021-10-29 06:02:03,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:03" (1/1) ... [2021-10-29 06:02:03,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 06:02:03,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 06:02:03,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 06:02:03,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 06:02:03,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:03" (1/1) ... [2021-10-29 06:02:03,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 06:02:03,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 06:02:03,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 06:02:03,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 06:02:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 06:02:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 06:02:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 06:02:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 06:02:04,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 06:02:04,118 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-29 06:02:04,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:02:04 BoogieIcfgContainer [2021-10-29 06:02:04,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 06:02:04,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 06:02:04,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 06:02:04,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 06:02:04,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:02:02" (1/3) ... [2021-10-29 06:02:04,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc18387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:02:04, skipping insertion in model container [2021-10-29 06:02:04,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:02:03" (2/3) ... [2021-10-29 06:02:04,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc18387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:02:04, skipping insertion in model container [2021-10-29 06:02:04,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:02:04" (3/3) ... [2021-10-29 06:02:04,132 INFO L111 eAbstractionObserver]: Analyzing ICFG byte_add_1-1.i [2021-10-29 06:02:04,138 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 06:02:04,138 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-10-29 06:02:04,205 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 06:02:04,212 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 [2021-10-29 06:02:04,212 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-10-29 06:02:04,232 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 58 states have (on average 1.9310344827586208) internal successors, (112), 94 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:04,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 06:02:04,237 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 06:02:04,238 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-29 06:02:04,238 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2021-10-29 06:02:04,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 06:02:04,245 INFO L85 PathProgramCache]: Analyzing trace with hash 287500, now seen corresponding path program 1 times [2021-10-29 06:02:04,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 06:02:04,255 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209859706] [2021-10-29 06:02:04,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 06:02:04,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 06:02:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 06:02:04,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 06:02:04,391 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 06:02:04,391 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209859706] [2021-10-29 06:02:04,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209859706] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 06:02:04,393 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 06:02:04,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-29 06:02:04,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859511495] [2021-10-29 06:02:04,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-29 06:02:04,400 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 06:02:04,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-29 06:02:04,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 06:02:04,416 INFO L87 Difference]: Start difference. First operand has 95 states, 58 states have (on average 1.9310344827586208) internal successors, (112), 94 states have internal predecessors, (112), 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, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:04,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 06:02:04,434 INFO L93 Difference]: Finished difference Result 95 states and 112 transitions. [2021-10-29 06:02:04,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-29 06:02:04,436 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2021-10-29 06:02:04,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 06:02:04,442 INFO L225 Difference]: With dead ends: 95 [2021-10-29 06:02:04,442 INFO L226 Difference]: Without dead ends: 0 [2021-10-29 06:02:04,445 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-29 06:02:04,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-29 06:02:04,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-29 06:02:04,467 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) [2021-10-29 06:02:04,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-29 06:02:04,469 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2021-10-29 06:02:04,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 06:02:04,469 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-29 06:02:04,470 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 06:02:04,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-29 06:02:04,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 06:02:04,472 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,473 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,474 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,474 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,474 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,474 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,475 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,475 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,475 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,477 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,477 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,477 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,477 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,478 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,478 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,478 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,479 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,479 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,479 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,479 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,480 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,480 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,480 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,481 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,481 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,481 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,481 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,482 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,482 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,482 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,483 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-29 06:02:04,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 06:02:04,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-29 06:02:04,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:04,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-29 06:02:04,495 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2021-10-29 06:02:04,496 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 105) no Hoare annotation was computed. [2021-10-29 06:02:04,496 INFO L857 garLoopResultBuilder]: For program point L85(line 85) no Hoare annotation was computed. [2021-10-29 06:02:04,496 INFO L857 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2021-10-29 06:02:04,496 INFO L857 garLoopResultBuilder]: For program point L85-1(line 85) no Hoare annotation was computed. [2021-10-29 06:02:04,497 INFO L857 garLoopResultBuilder]: For program point L52-1(line 52) no Hoare annotation was computed. [2021-10-29 06:02:04,497 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2021-10-29 06:02:04,497 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-29 06:02:04,497 INFO L857 garLoopResultBuilder]: For program point L53(lines 53 58) no Hoare annotation was computed. [2021-10-29 06:02:04,498 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 84) no Hoare annotation was computed. [2021-10-29 06:02:04,498 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2021-10-29 06:02:04,498 INFO L857 garLoopResultBuilder]: For program point L103-1(line 103) no Hoare annotation was computed. [2021-10-29 06:02:04,498 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-29 06:02:04,498 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-29 06:02:04,499 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 84) no Hoare annotation was computed. [2021-10-29 06:02:04,499 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2021-10-29 06:02:04,499 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 64) no Hoare annotation was computed. [2021-10-29 06:02:04,499 INFO L857 garLoopResultBuilder]: For program point L55(lines 55 57) no Hoare annotation was computed. [2021-10-29 06:02:04,500 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2021-10-29 06:02:04,500 INFO L857 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2021-10-29 06:02:04,500 INFO L860 garLoopResultBuilder]: At program point L72-2(lines 72 97) the Hoare annotation is: true [2021-10-29 06:02:04,501 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 79) no Hoare annotation was computed. [2021-10-29 06:02:04,501 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-10-29 06:02:04,501 INFO L857 garLoopResultBuilder]: For program point L56-1(line 56) no Hoare annotation was computed. [2021-10-29 06:02:04,501 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 96) no Hoare annotation was computed. [2021-10-29 06:02:04,501 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2021-10-29 06:02:04,502 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-29 06:02:04,502 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 96) no Hoare annotation was computed. [2021-10-29 06:02:04,502 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 76) no Hoare annotation was computed. [2021-10-29 06:02:04,502 INFO L857 garLoopResultBuilder]: For program point L108(line 108) no Hoare annotation was computed. [2021-10-29 06:02:04,503 INFO L857 garLoopResultBuilder]: For program point L75(lines 75 80) no Hoare annotation was computed. [2021-10-29 06:02:04,503 INFO L857 garLoopResultBuilder]: For program point L108-1(line 108) no Hoare annotation was computed. [2021-10-29 06:02:04,503 INFO L857 garLoopResultBuilder]: For program point L75-1(lines 72 97) no Hoare annotation was computed. [2021-10-29 06:02:04,503 INFO L860 garLoopResultBuilder]: At program point L108-2(line 108) the Hoare annotation is: true [2021-10-29 06:02:04,504 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 83) no Hoare annotation was computed. [2021-10-29 06:02:04,504 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2021-10-29 06:02:04,504 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2021-10-29 06:02:04,504 INFO L857 garLoopResultBuilder]: For program point L76(line 76) no Hoare annotation was computed. [2021-10-29 06:02:04,504 INFO L857 garLoopResultBuilder]: For program point L76-1(line 76) no Hoare annotation was computed. [2021-10-29 06:02:04,505 INFO L857 garLoopResultBuilder]: For program point L76-2(line 76) no Hoare annotation was computed. [2021-10-29 06:02:04,505 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2021-10-29 06:02:04,505 INFO L857 garLoopResultBuilder]: For program point L76-4(lines 75 80) no Hoare annotation was computed. [2021-10-29 06:02:04,505 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 83) no Hoare annotation was computed. [2021-10-29 06:02:04,506 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2021-10-29 06:02:04,506 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-10-29 06:02:04,506 INFO L857 garLoopResultBuilder]: For program point L77-1(line 77) no Hoare annotation was computed. [2021-10-29 06:02:04,506 INFO L857 garLoopResultBuilder]: For program point L77-3(lines 75 80) no Hoare annotation was computed. [2021-10-29 06:02:04,506 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 62) no Hoare annotation was computed. [2021-10-29 06:02:04,507 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2021-10-29 06:02:04,507 INFO L857 garLoopResultBuilder]: For program point L61(lines 61 69) no Hoare annotation was computed. [2021-10-29 06:02:04,507 INFO L857 garLoopResultBuilder]: For program point L94-1(line 94) no Hoare annotation was computed. [2021-10-29 06:02:04,507 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 61 69) no Hoare annotation was computed. [2021-10-29 06:02:04,508 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-10-29 06:02:04,508 INFO L857 garLoopResultBuilder]: For program point L78(line 78) no Hoare annotation was computed. [2021-10-29 06:02:04,508 INFO L857 garLoopResultBuilder]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-10-29 06:02:04,508 INFO L857 garLoopResultBuilder]: For program point L78-3(lines 75 80) no Hoare annotation was computed. [2021-10-29 06:02:04,508 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2021-10-29 06:02:04,509 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-10-29 06:02:04,509 INFO L857 garLoopResultBuilder]: For program point L62-1(line 62) no Hoare annotation was computed. [2021-10-29 06:02:04,509 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 78) no Hoare annotation was computed. [2021-10-29 06:02:04,509 INFO L857 garLoopResultBuilder]: For program point L79(line 79) no Hoare annotation was computed. [2021-10-29 06:02:04,509 INFO L857 garLoopResultBuilder]: For program point L79-1(line 79) no Hoare annotation was computed. [2021-10-29 06:02:04,510 INFO L857 garLoopResultBuilder]: For program point L96(line 96) no Hoare annotation was computed. [2021-10-29 06:02:04,510 INFO L857 garLoopResultBuilder]: For program point L63(lines 63 68) no Hoare annotation was computed. [2021-10-29 06:02:04,510 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 85) no Hoare annotation was computed. [2021-10-29 06:02:04,510 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2021-10-29 06:02:04,511 INFO L857 garLoopResultBuilder]: For program point L64(line 64) no Hoare annotation was computed. [2021-10-29 06:02:04,511 INFO L857 garLoopResultBuilder]: For program point L64-1(line 64) no Hoare annotation was computed. [2021-10-29 06:02:04,511 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 85) no Hoare annotation was computed. [2021-10-29 06:02:04,511 INFO L857 garLoopResultBuilder]: For program point L81(lines 72 97) no Hoare annotation was computed. [2021-10-29 06:02:04,511 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 66) no Hoare annotation was computed. [2021-10-29 06:02:04,512 INFO L857 garLoopResultBuilder]: For program point L65(lines 65 67) no Hoare annotation was computed. [2021-10-29 06:02:04,512 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2021-10-29 06:02:04,512 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 82) no Hoare annotation was computed. [2021-10-29 06:02:04,512 INFO L857 garLoopResultBuilder]: For program point L82(line 82) no Hoare annotation was computed. [2021-10-29 06:02:04,513 INFO L857 garLoopResultBuilder]: For program point L82-1(line 82) no Hoare annotation was computed. [2021-10-29 06:02:04,513 INFO L857 garLoopResultBuilder]: For program point L82-2(line 82) no Hoare annotation was computed. [2021-10-29 06:02:04,513 INFO L857 garLoopResultBuilder]: For program point L82-4(lines 81 86) no Hoare annotation was computed. [2021-10-29 06:02:04,513 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 108) no Hoare annotation was computed. [2021-10-29 06:02:04,513 INFO L857 garLoopResultBuilder]: For program point L66(line 66) no Hoare annotation was computed. [2021-10-29 06:02:04,514 INFO L857 garLoopResultBuilder]: For program point L99-1(lines 33 111) no Hoare annotation was computed. [2021-10-29 06:02:04,514 INFO L857 garLoopResultBuilder]: For program point L66-1(line 66) no Hoare annotation was computed. [2021-10-29 06:02:04,514 INFO L857 garLoopResultBuilder]: For program point L99-2(lines 99 106) no Hoare annotation was computed. [2021-10-29 06:02:04,514 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 56) no Hoare annotation was computed. [2021-10-29 06:02:04,515 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 82) no Hoare annotation was computed. [2021-10-29 06:02:04,515 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-10-29 06:02:04,515 INFO L857 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2021-10-29 06:02:04,515 INFO L857 garLoopResultBuilder]: For program point L83-3(lines 81 86) no Hoare annotation was computed. [2021-10-29 06:02:04,515 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 105) no Hoare annotation was computed. [2021-10-29 06:02:04,516 INFO L857 garLoopResultBuilder]: For program point L84(line 84) no Hoare annotation was computed. [2021-10-29 06:02:04,516 INFO L857 garLoopResultBuilder]: For program point L51(lines 51 59) no Hoare annotation was computed. [2021-10-29 06:02:04,516 INFO L857 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2021-10-29 06:02:04,516 INFO L857 garLoopResultBuilder]: For program point L51-1(lines 51 59) no Hoare annotation was computed. [2021-10-29 06:02:04,516 INFO L857 garLoopResultBuilder]: For program point L84-3(lines 81 86) no Hoare annotation was computed. [2021-10-29 06:02:04,517 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 77) no Hoare annotation was computed. [2021-10-29 06:02:04,520 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-29 06:02:04,522 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 06:02:04,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:02:04 BoogieIcfgContainer [2021-10-29 06:02:04,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 06:02:04,531 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 06:02:04,531 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 06:02:04,531 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 06:02:04,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:02:04" (3/4) ... [2021-10-29 06:02:04,535 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 06:02:04,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2021-10-29 06:02:04,548 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-29 06:02:04,549 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-29 06:02:04,550 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 06:02:04,624 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 06:02:04,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 06:02:04,626 INFO L168 Benchmark]: Toolchain (without parser) took 1891.40 ms. Allocated memory was 81.8 MB in the beginning and 132.1 MB in the end (delta: 50.3 MB). Free memory was 46.4 MB in the beginning and 108.3 MB in the end (delta: -61.9 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:04,627 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 54.4 MB in the beginning and 54.4 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:02:04,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.65 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 46.2 MB in the beginning and 77.0 MB in the end (delta: -30.8 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:04,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.03 ms. Allocated memory is still 102.8 MB. Free memory was 77.0 MB in the beginning and 75.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:04,629 INFO L168 Benchmark]: Boogie Preprocessor took 70.44 ms. Allocated memory is still 102.8 MB. Free memory was 75.0 MB in the beginning and 73.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 06:02:04,629 INFO L168 Benchmark]: RCFGBuilder took 842.85 ms. Allocated memory is still 102.8 MB. Free memory was 73.3 MB in the beginning and 78.8 MB in the end (delta: -5.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:04,632 INFO L168 Benchmark]: TraceAbstraction took 407.12 ms. Allocated memory is still 102.8 MB. Free memory was 78.3 MB in the beginning and 55.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:04,632 INFO L168 Benchmark]: Witness Printer took 93.28 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 55.0 MB in the beginning and 108.3 MB in the end (delta: -53.3 MB). Peak memory consumption was 6.5 MB. Max. memory is 16.1 GB. [2021-10-29 06:02:04,635 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 81.8 MB. Free memory was 54.4 MB in the beginning and 54.4 MB in the end (delta: 25.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 372.65 ms. Allocated memory was 81.8 MB in the beginning and 102.8 MB in the end (delta: 21.0 MB). Free memory was 46.2 MB in the beginning and 77.0 MB in the end (delta: -30.8 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 85.03 ms. Allocated memory is still 102.8 MB. Free memory was 77.0 MB in the beginning and 75.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.44 ms. Allocated memory is still 102.8 MB. Free memory was 75.0 MB in the beginning and 73.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 842.85 ms. Allocated memory is still 102.8 MB. Free memory was 73.3 MB in the beginning and 78.8 MB in the end (delta: -5.5 MB). Peak memory consumption was 25.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 407.12 ms. Allocated memory is still 102.8 MB. Free memory was 78.3 MB in the beginning and 55.5 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 16.1 GB. * Witness Printer took 93.28 ms. Allocated memory was 102.8 MB in the beginning and 132.1 MB in the end (delta: 29.4 MB). Free memory was 55.0 MB in the beginning and 108.3 MB in the end (delta: -53.3 MB). Peak memory consumption was 6.5 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: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 56]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 62]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 64]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 66]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 76]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 79]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 82]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 83]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 83]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 84]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 85]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 96]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 96]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 105]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 108]: 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, 95 locations, 36 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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: 76 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 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 36 specifications checked. All of them hold - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-29 06:02:04,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac4a2ada-a0bf-48e7-889c-703b1f4e33f4/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...