./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/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_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:09:58,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:09:58,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:09:58,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:09:58,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:09:58,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:09:58,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:09:58,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:09:58,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:09:58,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:09:58,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:09:58,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:09:58,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:09:58,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:09:58,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:09:58,218 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:09:58,222 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:09:58,223 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:09:58,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:09:58,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:09:58,235 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:09:58,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:09:58,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:09:58,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:09:58,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:09:58,249 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:09:58,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:09:58,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:09:58,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:09:58,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:09:58,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:09:58,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:09:58,258 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:09:58,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:09:58,261 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:09:58,261 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:09:58,262 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:09:58,262 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:09:58,263 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:09:58,264 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:09:58,264 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:09:58,265 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:09:58,315 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:09:58,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:09:58,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:09:58,317 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:09:58,317 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:09:58,317 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:09:58,318 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:09:58,318 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:09:58,318 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:09:58,318 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:09:58,320 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:09:58,320 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:09:58,320 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:09:58,321 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:09:58,321 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:09:58,322 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:09:58,322 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:09:58,322 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:09:58,323 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:09:58,323 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:09:58,323 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:09:58,323 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:09:58,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:09:58,324 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:09:58,324 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:09:58,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:09:58,325 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:09:58,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:09:58,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:09:58,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:09:58,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:09:58,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:09:58,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:09:58,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:09:58,328 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:09:58,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:09:58,329 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:09:58,329 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:09:58,329 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:09:58,330 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_edf94f5d-f406-47d9-b508-e776b55d9f4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2021-11-07 01:09:58,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:09:58,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:09:58,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:09:58,733 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:09:58,734 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:09:58,735 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-11-07 01:09:58,817 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/data/b42f26484/671be4ad27384dc8b3453d7f63c29297/FLAG4d43271aa [2021-11-07 01:09:59,377 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:09:59,379 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-11-07 01:09:59,392 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/data/b42f26484/671be4ad27384dc8b3453d7f63c29297/FLAG4d43271aa [2021-11-07 01:09:59,763 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/data/b42f26484/671be4ad27384dc8b3453d7f63c29297 [2021-11-07 01:09:59,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:09:59,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:09:59,780 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:09:59,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:09:59,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:09:59,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:09:59" (1/1) ... [2021-11-07 01:09:59,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5983f55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:09:59, skipping insertion in model container [2021-11-07 01:09:59,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:09:59" (1/1) ... [2021-11-07 01:09:59,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:09:59,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:10:00,073 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_edf94f5d-f406-47d9-b508-e776b55d9f4f/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-11-07 01:10:00,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:10:00,098 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:10:00,116 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_edf94f5d-f406-47d9-b508-e776b55d9f4f/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-11-07 01:10:00,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:10:00,132 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:10:00,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:00 WrapperNode [2021-11-07 01:10:00,133 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:10:00,134 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:10:00,135 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:10:00,135 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:10:00,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:00" (1/1) ... [2021-11-07 01:10:00,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:00" (1/1) ... [2021-11-07 01:10:00,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:10:00,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:10:00,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:10:00,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:10:00,186 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:00" (1/1) ... [2021-11-07 01:10:00,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:00" (1/1) ... [2021-11-07 01:10:00,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:00" (1/1) ... [2021-11-07 01:10:00,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:00" (1/1) ... [2021-11-07 01:10:00,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:00" (1/1) ... [2021-11-07 01:10:00,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:00" (1/1) ... [2021-11-07 01:10:00,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:00" (1/1) ... [2021-11-07 01:10:00,207 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:10:00,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:10:00,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:10:00,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:10:00,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:00" (1/1) ... [2021-11-07 01:10:00,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:10:00,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:10:00,251 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:10:00,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:10:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:10:00,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:10:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:10:00,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:10:00,593 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:10:00,594 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-07 01:10:00,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:00 BoogieIcfgContainer [2021-11-07 01:10:00,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:10:00,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:10:00,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:10:00,603 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:10:00,604 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:09:59" (1/3) ... [2021-11-07 01:10:00,604 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6680f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:10:00, skipping insertion in model container [2021-11-07 01:10:00,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:00" (2/3) ... [2021-11-07 01:10:00,605 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6680f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:10:00, skipping insertion in model container [2021-11-07 01:10:00,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:00" (3/3) ... [2021-11-07 01:10:00,607 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-11-07 01:10:00,613 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:10:00,621 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:10:00,745 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:10:00,766 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 01:10:00,766 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:10:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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 01:10:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 01:10:00,790 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:00,791 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 01:10:00,792 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:10:00,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:00,809 INFO L85 PathProgramCache]: Analyzing trace with hash 43409, now seen corresponding path program 1 times [2021-11-07 01:10:00,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:10:00,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525389951] [2021-11-07 01:10:00,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:00,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:10:00,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:10:00,980 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:10:01,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:10:01,053 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 01:10:01,059 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:10:01,060 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:10:01,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:10:01,070 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 01:10:01,072 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:10:01,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:10:01 BoogieIcfgContainer [2021-11-07 01:10:01,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:10:01,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:10:01,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:10:01,095 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:10:01,096 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:00" (3/4) ... [2021-11-07 01:10:01,099 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:10:01,099 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:10:01,104 INFO L168 Benchmark]: Toolchain (without parser) took 1323.30 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 71.7 MB in the beginning and 89.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:01,105 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 102.8 MB. Free memory is still 54.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:10:01,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.54 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 71.4 MB in the beginning and 116.1 MB in the end (delta: -44.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:01,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.38 ms. Allocated memory is still 140.5 MB. Free memory was 116.1 MB in the beginning and 115.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:01,108 INFO L168 Benchmark]: Boogie Preprocessor took 31.54 ms. Allocated memory is still 140.5 MB. Free memory was 115.0 MB in the beginning and 114.0 MB in the end (delta: 987.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:10:01,109 INFO L168 Benchmark]: RCFGBuilder took 388.61 ms. Allocated memory is still 140.5 MB. Free memory was 114.0 MB in the beginning and 104.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:01,116 INFO L168 Benchmark]: TraceAbstraction took 492.59 ms. Allocated memory is still 140.5 MB. Free memory was 103.9 MB in the beginning and 89.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:01,116 INFO L168 Benchmark]: Witness Printer took 5.17 ms. Allocated memory is still 140.5 MB. Free memory is still 89.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:10:01,124 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 102.8 MB. Free memory is still 54.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 353.54 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 71.4 MB in the beginning and 116.1 MB in the end (delta: -44.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.38 ms. Allocated memory is still 140.5 MB. Free memory was 116.1 MB in the beginning and 115.0 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.54 ms. Allocated memory is still 140.5 MB. Free memory was 115.0 MB in the beginning and 114.0 MB in the end (delta: 987.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 388.61 ms. Allocated memory is still 140.5 MB. Free memory was 114.0 MB in the beginning and 104.5 MB in the end (delta: 9.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 492.59 ms. Allocated memory is still 140.5 MB. Free memory was 103.9 MB in the beginning and 89.8 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 5.17 ms. Allocated memory is still 140.5 MB. Free memory is still 89.8 MB. There was no memory consumed. 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 - UnprovableResult [Line: 14]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 8. Possible FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 == 0xfa [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 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: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-07 01:10:01,181 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/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_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:10:03,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:10:03,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:10:03,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:10:03,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:10:03,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:10:03,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:10:03,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:10:03,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:10:03,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:10:03,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:10:03,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:10:03,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:10:03,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:10:03,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:10:03,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:10:03,788 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:10:03,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:10:03,791 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:10:03,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:10:03,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:10:03,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:10:03,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:10:03,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:10:03,803 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:10:03,803 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:10:03,803 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:10:03,805 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:10:03,805 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:10:03,806 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:10:03,807 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:10:03,808 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:10:03,809 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:10:03,809 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:10:03,811 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:10:03,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:10:03,812 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:10:03,812 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:10:03,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:10:03,814 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:10:03,814 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:10:03,815 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:10:03,846 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:10:03,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:10:03,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:10:03,847 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:10:03,848 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:10:03,848 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:10:03,848 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:10:03,848 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:10:03,848 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:10:03,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:10:03,849 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:10:03,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:10:03,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:10:03,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:10:03,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:10:03,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:10:03,851 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:10:03,851 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:10:03,851 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:10:03,851 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:10:03,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:10:03,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:10:03,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:10:03,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:10:03,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:10:03,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:10:03,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:10:03,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:10:03,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:10:03,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:10:03,853 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:10:03,854 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:10:03,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:10:03,854 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:10:03,854 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:10:03,854 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_edf94f5d-f406-47d9-b508-e776b55d9f4f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0d01e0213fc4e738a69e9f06f81fbb14a2df2e0f8770103d53638b50197b7d1 [2021-11-07 01:10:04,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:10:04,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:10:04,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:10:04,303 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:10:04,304 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:10:04,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-11-07 01:10:04,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/data/d58d431f0/2dc10b289df144fcb77efba03acb3f26/FLAGb28d7b2fe [2021-11-07 01:10:04,975 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:10:04,975 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c [2021-11-07 01:10:04,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/data/d58d431f0/2dc10b289df144fcb77efba03acb3f26/FLAGb28d7b2fe [2021-11-07 01:10:05,346 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/data/d58d431f0/2dc10b289df144fcb77efba03acb3f26 [2021-11-07 01:10:05,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:10:05,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:10:05,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:10:05,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:10:05,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:10:05,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:10:05" (1/1) ... [2021-11-07 01:10:05,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d5d4f3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:05, skipping insertion in model container [2021-11-07 01:10:05,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:10:05" (1/1) ... [2021-11-07 01:10:05,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:10:05,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:10:05,538 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_edf94f5d-f406-47d9-b508-e776b55d9f4f/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-11-07 01:10:05,542 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:10:05,555 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:10:05,570 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_edf94f5d-f406-47d9-b508-e776b55d9f4f/sv-benchmarks/c/bitvector-regression/integerpromotion-3.c[423,436] [2021-11-07 01:10:05,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:10:05,601 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:10:05,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:05 WrapperNode [2021-11-07 01:10:05,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:10:05,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:10:05,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:10:05,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:10:05,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:05" (1/1) ... [2021-11-07 01:10:05,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:05" (1/1) ... [2021-11-07 01:10:05,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:10:05,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:10:05,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:10:05,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:10:05,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:05" (1/1) ... [2021-11-07 01:10:05,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:05" (1/1) ... [2021-11-07 01:10:05,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:05" (1/1) ... [2021-11-07 01:10:05,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:05" (1/1) ... [2021-11-07 01:10:05,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:05" (1/1) ... [2021-11-07 01:10:05,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:05" (1/1) ... [2021-11-07 01:10:05,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:05" (1/1) ... [2021-11-07 01:10:05,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:10:05,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:10:05,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:10:05,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:10:05,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:05" (1/1) ... [2021-11-07 01:10:05,744 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:10:05,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:10:05,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:10:05,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:10:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:10:05,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:10:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:10:05,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:10:06,108 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:10:06,108 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-07 01:10:06,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:06 BoogieIcfgContainer [2021-11-07 01:10:06,110 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:10:06,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:10:06,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:10:06,126 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:10:06,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:10:05" (1/3) ... [2021-11-07 01:10:06,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb0b6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:10:06, skipping insertion in model container [2021-11-07 01:10:06,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:10:05" (2/3) ... [2021-11-07 01:10:06,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb0b6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:10:06, skipping insertion in model container [2021-11-07 01:10:06,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:06" (3/3) ... [2021-11-07 01:10:06,130 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-3.c [2021-11-07 01:10:06,137 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:10:06,138 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:10:06,208 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:10:06,219 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 01:10:06,219 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:10:06,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 8 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 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 01:10:06,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-07 01:10:06,248 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:10:06,249 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-07 01:10:06,249 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:10:06,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:10:06,258 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-11-07 01:10:06,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:10:06,282 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1705951269] [2021-11-07 01:10:06,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:10:06,284 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:10:06,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:10:06,290 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:10:06,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:10:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:10:06,414 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:10:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:10:06,456 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-11-07 01:10:06,458 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:10:06,460 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:10:06,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:10:06,674 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:10:06,679 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 01:10:06,686 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:10:06,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:10:06 BoogieIcfgContainer [2021-11-07 01:10:06,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:10:06,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:10:06,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:10:06,711 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:10:06,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:10:06" (3/4) ... [2021-11-07 01:10:06,713 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 01:10:06,758 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:10:06,759 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:10:06,767 INFO L168 Benchmark]: Toolchain (without parser) took 1410.76 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 32.6 MB in the beginning and 48.7 MB in the end (delta: -16.1 MB). Peak memory consumption was 480.1 kB. Max. memory is 16.1 GB. [2021-11-07 01:10:06,767 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 54.5 MB. Free memory is still 35.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:10:06,769 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.29 ms. Allocated memory is still 54.5 MB. Free memory was 32.4 MB in the beginning and 38.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:06,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.99 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 38.5 MB in the beginning and 55.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:06,770 INFO L168 Benchmark]: Boogie Preprocessor took 50.10 ms. Allocated memory is still 71.3 MB. Free memory was 55.0 MB in the beginning and 54.0 MB in the end (delta: 993.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:06,773 INFO L168 Benchmark]: RCFGBuilder took 377.07 ms. Allocated memory is still 71.3 MB. Free memory was 54.0 MB in the beginning and 45.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:06,774 INFO L168 Benchmark]: TraceAbstraction took 584.53 ms. Allocated memory is still 71.3 MB. Free memory was 44.8 MB in the beginning and 50.7 MB in the end (delta: -5.9 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:10:06,774 INFO L168 Benchmark]: Witness Printer took 48.86 ms. Allocated memory is still 71.3 MB. Free memory was 50.7 MB in the beginning and 48.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:10:06,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 54.5 MB. Free memory is still 35.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 251.29 ms. Allocated memory is still 54.5 MB. Free memory was 32.4 MB in the beginning and 38.7 MB in the end (delta: -6.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.99 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 38.5 MB in the beginning and 55.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.10 ms. Allocated memory is still 71.3 MB. Free memory was 55.0 MB in the beginning and 54.0 MB in the end (delta: 993.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 377.07 ms. Allocated memory is still 71.3 MB. Free memory was 54.0 MB in the beginning and 45.4 MB in the end (delta: 8.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 584.53 ms. Allocated memory is still 71.3 MB. Free memory was 44.8 MB in the beginning and 50.7 MB in the end (delta: -5.9 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 48.86 ms. Allocated memory is still 71.3 MB. Free memory was 50.7 MB in the beginning and 48.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 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 - CounterExampleResult [Line: 14]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L7] unsigned char port = 0x5a; [L8] unsigned char result_8 = ( ~port ) >> 4; [L9] COND TRUE result_8 == 0xfa [L14] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-11-07 01:10:06,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_edf94f5d-f406-47d9-b508-e776b55d9f4f/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE