./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.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_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/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_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/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_075dda38-9e97-450b-87a7-0605efcf26f7/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 07f72950731c5de2ed23b9c920d3d358df8c5bf808c378b846524de814f135ef --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:20:27,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:20:27,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:20:27,907 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:20:27,907 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:20:27,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:20:27,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:20:27,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:20:27,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:20:27,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:20:27,917 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:20:27,919 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:20:27,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:20:27,921 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:20:27,923 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:20:27,924 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:20:27,926 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:20:27,927 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:20:27,929 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:20:27,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:20:27,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:20:27,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:20:27,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:20:27,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:20:27,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:20:27,943 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:20:27,944 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:20:27,945 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:20:27,945 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:20:27,947 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:20:27,947 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:20:27,948 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:20:27,950 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:20:27,951 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:20:27,952 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:20:27,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:20:27,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:20:27,954 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:20:27,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:20:27,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:20:27,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:20:27,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 02:20:27,983 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:20:27,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:20:27,984 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:20:27,984 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:20:27,984 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:20:27,985 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:20:27,985 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 02:20:27,985 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:20:27,985 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:20:27,985 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 02:20:27,986 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 02:20:27,986 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:20:27,986 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 02:20:27,986 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 02:20:27,987 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 02:20:27,987 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:20:27,988 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:20:27,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 02:20:27,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:20:27,988 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:20:27,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:20:27,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:20:27,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:20:27,989 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:20:27,990 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:20:27,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:20:27,990 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:20:27,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:20:27,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:20:27,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:20:27,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:20:27,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:20:27,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:20:27,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:20:27,992 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 02:20:27,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 02:20:27,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:20:27,993 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:20:27,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:20:27,993 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_075dda38-9e97-450b-87a7-0605efcf26f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07f72950731c5de2ed23b9c920d3d358df8c5bf808c378b846524de814f135ef [2021-11-07 02:20:28,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:20:28,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:20:28,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:20:28,286 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:20:28,287 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:20:28,287 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2021-11-07 02:20:28,373 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/data/7c5578417/587ac7174105400b83dd5b95708f3517/FLAGa9b7b2990 [2021-11-07 02:20:28,795 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:20:28,795 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2021-11-07 02:20:28,800 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/data/7c5578417/587ac7174105400b83dd5b95708f3517/FLAGa9b7b2990 [2021-11-07 02:20:29,230 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/data/7c5578417/587ac7174105400b83dd5b95708f3517 [2021-11-07 02:20:29,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:20:29,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:20:29,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:20:29,237 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:20:29,240 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:20:29,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:20:29" (1/1) ... [2021-11-07 02:20:29,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71be465d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:29, skipping insertion in model container [2021-11-07 02:20:29,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:20:29" (1/1) ... [2021-11-07 02:20:29,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:20:29,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:20:29,430 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_075dda38-9e97-450b-87a7-0605efcf26f7/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c[423,436] [2021-11-07 02:20:29,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:20:29,441 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:20:29,454 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_075dda38-9e97-450b-87a7-0605efcf26f7/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c[423,436] [2021-11-07 02:20:29,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:20:29,466 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:20:29,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:29 WrapperNode [2021-11-07 02:20:29,466 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:20:29,467 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:20:29,467 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:20:29,467 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:20:29,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:29" (1/1) ... [2021-11-07 02:20:29,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:29" (1/1) ... [2021-11-07 02:20:29,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:20:29,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:20:29,504 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:20:29,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:20:29,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:29" (1/1) ... [2021-11-07 02:20:29,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:29" (1/1) ... [2021-11-07 02:20:29,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:29" (1/1) ... [2021-11-07 02:20:29,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:29" (1/1) ... [2021-11-07 02:20:29,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:29" (1/1) ... [2021-11-07 02:20:29,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:29" (1/1) ... [2021-11-07 02:20:29,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:29" (1/1) ... [2021-11-07 02:20:29,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:20:29,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:20:29,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:20:29,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:20:29,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:29" (1/1) ... [2021-11-07 02:20:29,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:20:29,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:20:29,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:20:29,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:20:29,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:20:29,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:20:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 02:20:29,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:20:29,743 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:20:29,744 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-07 02:20:29,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:20:29 BoogieIcfgContainer [2021-11-07 02:20:29,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:20:29,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:20:29,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:20:29,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:20:29,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:20:29" (1/3) ... [2021-11-07 02:20:29,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b1d80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:20:29, skipping insertion in model container [2021-11-07 02:20:29,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:29" (2/3) ... [2021-11-07 02:20:29,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b1d80e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:20:29, skipping insertion in model container [2021-11-07 02:20:29,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:20:29" (3/3) ... [2021-11-07 02:20:29,754 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2021-11-07 02:20:29,759 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:20:29,759 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 02:20:29,806 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:20:29,812 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:20:29,813 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 02:20:29,825 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 02:20:29,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-07 02:20:29,830 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:29,830 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-07 02:20:29,831 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:20:29,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:29,836 INFO L85 PathProgramCache]: Analyzing trace with hash 43409, now seen corresponding path program 1 times [2021-11-07 02:20:29,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 02:20:29,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368528970] [2021-11-07 02:20:29,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:29,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 02:20:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:20:29,938 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 02:20:29,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 02:20:29,976 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 02:20:29,978 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 02:20:29,979 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:20:29,981 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 02:20:29,984 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 02:20:29,987 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:20:30,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:20:30 BoogieIcfgContainer [2021-11-07 02:20:30,001 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:20:30,002 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:20:30,002 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:20:30,003 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:20:30,003 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:20:29" (3/4) ... [2021-11-07 02:20:30,006 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 02:20:30,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:20:30,008 INFO L168 Benchmark]: Toolchain (without parser) took 771.49 ms. Allocated memory is still 94.4 MB. Free memory was 57.7 MB in the beginning and 46.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:30,009 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 94.4 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:20:30,010 INFO L168 Benchmark]: CACSL2BoogieTranslator took 229.50 ms. Allocated memory is still 94.4 MB. Free memory was 57.4 MB in the beginning and 71.0 MB in the end (delta: -13.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:30,010 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.11 ms. Allocated memory is still 94.4 MB. Free memory was 71.0 MB in the beginning and 69.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:20:30,011 INFO L168 Benchmark]: Boogie Preprocessor took 15.63 ms. Allocated memory is still 94.4 MB. Free memory was 69.7 MB in the beginning and 68.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:20:30,012 INFO L168 Benchmark]: RCFGBuilder took 226.80 ms. Allocated memory is still 94.4 MB. Free memory was 68.6 MB in the beginning and 59.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:30,013 INFO L168 Benchmark]: TraceAbstraction took 253.83 ms. Allocated memory is still 94.4 MB. Free memory was 59.0 MB in the beginning and 46.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:30,013 INFO L168 Benchmark]: Witness Printer took 3.94 ms. Allocated memory is still 94.4 MB. Free memory was 46.4 MB in the beginning and 46.0 MB in the end (delta: 474.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:20:30,017 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 94.4 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 229.50 ms. Allocated memory is still 94.4 MB. Free memory was 57.4 MB in the beginning and 71.0 MB in the end (delta: -13.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.11 ms. Allocated memory is still 94.4 MB. Free memory was 71.0 MB in the beginning and 69.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 15.63 ms. Allocated memory is still 94.4 MB. Free memory was 69.7 MB in the beginning and 68.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 226.80 ms. Allocated memory is still 94.4 MB. Free memory was 68.6 MB in the beginning and 59.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 253.83 ms. Allocated memory is still 94.4 MB. Free memory was 59.0 MB in the beginning and 46.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 3.94 ms. Allocated memory is still 94.4 MB. Free memory was 46.4 MB in the beginning and 46.0 MB in the end (delta: 474.0 kB). 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: 0.1s, 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 02:20:30,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/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_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/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_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/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_075dda38-9e97-450b-87a7-0605efcf26f7/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 07f72950731c5de2ed23b9c920d3d358df8c5bf808c378b846524de814f135ef --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 02:20:32,489 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 02:20:32,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 02:20:32,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 02:20:32,531 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 02:20:32,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 02:20:32,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 02:20:32,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 02:20:32,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 02:20:32,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 02:20:32,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 02:20:32,542 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 02:20:32,543 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 02:20:32,544 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 02:20:32,546 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 02:20:32,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 02:20:32,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 02:20:32,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 02:20:32,551 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 02:20:32,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 02:20:32,555 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 02:20:32,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 02:20:32,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 02:20:32,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 02:20:32,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 02:20:32,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 02:20:32,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 02:20:32,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 02:20:32,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 02:20:32,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 02:20:32,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 02:20:32,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 02:20:32,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 02:20:32,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 02:20:32,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 02:20:32,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 02:20:32,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 02:20:32,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 02:20:32,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 02:20:32,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 02:20:32,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 02:20:32,583 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 02:20:32,632 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 02:20:32,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 02:20:32,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 02:20:32,633 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 02:20:32,634 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 02:20:32,634 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 02:20:32,634 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 02:20:32,634 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 02:20:32,635 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 02:20:32,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 02:20:32,637 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 02:20:32,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 02:20:32,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 02:20:32,638 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 02:20:32,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 02:20:32,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 02:20:32,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 02:20:32,639 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 02:20:32,639 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 02:20:32,639 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 02:20:32,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 02:20:32,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 02:20:32,640 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 02:20:32,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 02:20:32,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 02:20:32,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 02:20:32,641 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:20:32,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 02:20:32,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 02:20:32,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 02:20:32,641 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 02:20:32,642 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 02:20:32,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 02:20:32,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 02:20:32,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 02:20:32,643 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_075dda38-9e97-450b-87a7-0605efcf26f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07f72950731c5de2ed23b9c920d3d358df8c5bf808c378b846524de814f135ef [2021-11-07 02:20:32,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 02:20:33,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 02:20:33,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 02:20:33,022 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 02:20:33,024 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 02:20:33,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2021-11-07 02:20:33,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/data/2b6ccaf15/93a466c4c92a468fa3ff0bd81bdf259e/FLAG4a36caadd [2021-11-07 02:20:33,666 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 02:20:33,666 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c [2021-11-07 02:20:33,674 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/data/2b6ccaf15/93a466c4c92a468fa3ff0bd81bdf259e/FLAG4a36caadd [2021-11-07 02:20:34,034 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/data/2b6ccaf15/93a466c4c92a468fa3ff0bd81bdf259e [2021-11-07 02:20:34,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 02:20:34,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 02:20:34,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 02:20:34,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 02:20:34,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 02:20:34,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:20:34" (1/1) ... [2021-11-07 02:20:34,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f5e29cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:34, skipping insertion in model container [2021-11-07 02:20:34,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:20:34" (1/1) ... [2021-11-07 02:20:34,068 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 02:20:34,078 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 02:20:34,201 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_075dda38-9e97-450b-87a7-0605efcf26f7/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c[423,436] [2021-11-07 02:20:34,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:20:34,216 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 02:20:34,242 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_075dda38-9e97-450b-87a7-0605efcf26f7/sv-benchmarks/c/bitvector-regression/integerpromotion-2.c[423,436] [2021-11-07 02:20:34,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 02:20:34,281 INFO L208 MainTranslator]: Completed translation [2021-11-07 02:20:34,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:34 WrapperNode [2021-11-07 02:20:34,282 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 02:20:34,283 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 02:20:34,283 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 02:20:34,283 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 02:20:34,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:34" (1/1) ... [2021-11-07 02:20:34,297 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:34" (1/1) ... [2021-11-07 02:20:34,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 02:20:34,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 02:20:34,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 02:20:34,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 02:20:34,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:34" (1/1) ... [2021-11-07 02:20:34,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:34" (1/1) ... [2021-11-07 02:20:34,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:34" (1/1) ... [2021-11-07 02:20:34,320 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:34" (1/1) ... [2021-11-07 02:20:34,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:34" (1/1) ... [2021-11-07 02:20:34,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:34" (1/1) ... [2021-11-07 02:20:34,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:34" (1/1) ... [2021-11-07 02:20:34,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 02:20:34,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 02:20:34,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 02:20:34,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 02:20:34,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:34" (1/1) ... [2021-11-07 02:20:34,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 02:20:34,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 02:20:34,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 02:20:34,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 02:20:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 02:20:34,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 02:20:34,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 02:20:34,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 02:20:34,622 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 02:20:34,622 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-07 02:20:34,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:20:34 BoogieIcfgContainer [2021-11-07 02:20:34,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 02:20:34,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 02:20:34,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 02:20:34,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 02:20:34,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:20:34" (1/3) ... [2021-11-07 02:20:34,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d96e12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:20:34, skipping insertion in model container [2021-11-07 02:20:34,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:34" (2/3) ... [2021-11-07 02:20:34,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d96e12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:20:34, skipping insertion in model container [2021-11-07 02:20:34,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:20:34" (3/3) ... [2021-11-07 02:20:34,644 INFO L111 eAbstractionObserver]: Analyzing ICFG integerpromotion-2.c [2021-11-07 02:20:34,649 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 02:20:34,650 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 02:20:34,708 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 02:20:34,718 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 02:20:34,718 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 02:20:34,733 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 02:20:34,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-07 02:20:34,741 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 02:20:34,741 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-07 02:20:34,742 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 02:20:34,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 02:20:34,760 INFO L85 PathProgramCache]: Analyzing trace with hash 925607, now seen corresponding path program 1 times [2021-11-07 02:20:34,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 02:20:34,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1012677498] [2021-11-07 02:20:34,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 02:20:34,775 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 02:20:34,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 02:20:34,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 02:20:34,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 02:20:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 02:20:34,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 02:20:34,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 02:20:35,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:35,037 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 02:20:35,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 02:20:35,080 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 02:20:35,081 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1012677498] [2021-11-07 02:20:35,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1012677498] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 02:20:35,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 02:20:35,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-07 02:20:35,083 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601360681] [2021-11-07 02:20:35,088 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 02:20:35,088 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 02:20:35,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 02:20:35,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:20:35,108 INFO L87 Difference]: Start difference. First 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:35,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 02:20:35,125 INFO L93 Difference]: Finished difference Result 11 states and 10 transitions. [2021-11-07 02:20:35,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 02:20:35,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2021-11-07 02:20:35,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 02:20:35,133 INFO L225 Difference]: With dead ends: 11 [2021-11-07 02:20:35,133 INFO L226 Difference]: Without dead ends: 0 [2021-11-07 02:20:35,136 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 02:20:35,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-07 02:20:35,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-07 02:20:35,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:35,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-07 02:20:35,160 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2021-11-07 02:20:35,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 02:20:35,160 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-07 02:20:35,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 02:20:35,161 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-07 02:20:35,161 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-07 02:20:35,164 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 02:20:35,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 02:20:35,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 02:20:35,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-07 02:20:35,382 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:20:35,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-07 02:20:35,420 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-07 02:20:35,420 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-07 02:20:35,421 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-07 02:20:35,421 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-07 02:20:35,421 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 14) no Hoare annotation was computed. [2021-11-07 02:20:35,422 INFO L853 garLoopResultBuilder]: At program point L15(lines 5 16) the Hoare annotation is: (= (bvadd (_ bv6 8) ULTIMATE.start_main_~result_8~0) (_ bv0 8)) [2021-11-07 02:20:35,422 INFO L853 garLoopResultBuilder]: At program point L10(lines 5 16) the Hoare annotation is: false [2021-11-07 02:20:35,423 INFO L857 garLoopResultBuilder]: For program point L9(lines 9 11) no Hoare annotation was computed. [2021-11-07 02:20:35,427 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 02:20:35,428 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 02:20:35,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 02:20:35 BoogieIcfgContainer [2021-11-07 02:20:35,441 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 02:20:35,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 02:20:35,445 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 02:20:35,445 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 02:20:35,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:20:34" (3/4) ... [2021-11-07 02:20:35,449 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-07 02:20:35,461 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-11-07 02:20:35,462 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-07 02:20:35,462 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:20:35,462 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-07 02:20:35,503 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 02:20:35,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 02:20:35,510 INFO L168 Benchmark]: Toolchain (without parser) took 1465.93 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 51.7 MB in the beginning and 52.5 MB in the end (delta: -717.2 kB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:35,511 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 69.2 MB. Free memory is still 51.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:20:35,512 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.53 ms. Allocated memory is still 69.2 MB. Free memory was 51.5 MB in the beginning and 53.4 MB in the end (delta: -2.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:35,513 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.50 ms. Allocated memory is still 69.2 MB. Free memory was 53.4 MB in the beginning and 51.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:20:35,513 INFO L168 Benchmark]: Boogie Preprocessor took 17.75 ms. Allocated memory is still 69.2 MB. Free memory was 51.9 MB in the beginning and 50.9 MB in the end (delta: 921.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 02:20:35,514 INFO L168 Benchmark]: RCFGBuilder took 294.58 ms. Allocated memory is still 69.2 MB. Free memory was 50.9 MB in the beginning and 42.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:35,515 INFO L168 Benchmark]: TraceAbstraction took 815.29 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 41.7 MB in the beginning and 54.6 MB in the end (delta: -12.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:35,515 INFO L168 Benchmark]: Witness Printer took 59.07 ms. Allocated memory is still 83.9 MB. Free memory was 54.6 MB in the beginning and 52.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 02:20:35,522 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 69.2 MB. Free memory is still 51.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 242.53 ms. Allocated memory is still 69.2 MB. Free memory was 51.5 MB in the beginning and 53.4 MB in the end (delta: -2.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 27.50 ms. Allocated memory is still 69.2 MB. Free memory was 53.4 MB in the beginning and 51.9 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 17.75 ms. Allocated memory is still 69.2 MB. Free memory was 51.9 MB in the beginning and 50.9 MB in the end (delta: 921.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 294.58 ms. Allocated memory is still 69.2 MB. Free memory was 50.9 MB in the beginning and 42.2 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 815.29 ms. Allocated memory was 69.2 MB in the beginning and 83.9 MB in the end (delta: 14.7 MB). Free memory was 41.7 MB in the beginning and 54.6 MB in the end (delta: -12.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 16.1 GB. * Witness Printer took 59.07 ms. Allocated memory is still 83.9 MB. Free memory was 54.6 MB in the beginning and 52.5 MB in the end (delta: 2.1 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 - PositiveResult [Line: 14]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, 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: 4 SDtfs, 3 SDslu, 1 SDs, 0 SdLazy, 1 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 3 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 2 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: ~bvadd64(6bv8, result_8) == 0bv8 RESULT: Ultimate proved your program to be correct! [2021-11-07 02:20:35,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_075dda38-9e97-450b-87a7-0605efcf26f7/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE