./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d914ec0bfaa2a2a31d1446521ce955f05ba8541c .................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:31:23,856 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:23,859 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:23,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:23,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:23,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:23,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:23,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:23,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:23,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:23,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:23,938 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:23,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:23,941 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:23,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:23,945 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:23,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:23,948 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:23,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:23,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:23,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:23,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:23,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:23,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:23,974 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:23,975 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:23,975 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:23,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:23,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:23,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:23,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:23,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:23,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:23,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:23,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:23,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:23,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:23,988 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:23,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:23,989 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:23,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:23,992 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-11 02:31:24,037 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:24,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:24,039 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:24,039 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:24,040 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:24,040 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:24,040 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:31:24,040 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:24,047 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:24,047 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:31:24,048 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:31:24,049 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:24,049 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:31:24,049 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:31:24,049 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:31:24,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:24,051 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:24,051 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:31:24,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:24,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:24,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:24,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:24,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:24,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:24,052 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-11 02:31:24,053 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:24,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:24,053 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:24,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:24,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:24,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:24,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:24,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:24,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:24,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:24,057 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:31:24,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:31:24,057 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:24,058 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:24,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:24,058 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_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d914ec0bfaa2a2a31d1446521ce955f05ba8541c [2021-10-11 02:31:24,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:24,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:24,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:24,397 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:24,397 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:24,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/bitvector/s3_srvr_2.BV.c.cil.c [2021-10-11 02:31:24,468 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI/data/8e3c9c30d/484cfec50a3940618f3d13e695f13e02/FLAG6b4e976ba [2021-10-11 02:31:25,076 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:25,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/sv-benchmarks/c/bitvector/s3_srvr_2.BV.c.cil.c [2021-10-11 02:31:25,095 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI/data/8e3c9c30d/484cfec50a3940618f3d13e695f13e02/FLAG6b4e976ba [2021-10-11 02:31:25,474 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI/data/8e3c9c30d/484cfec50a3940618f3d13e695f13e02 [2021-10-11 02:31:25,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:25,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:25,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:25,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:25,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:25,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:25" (1/1) ... [2021-10-11 02:31:25,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dc0ba11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:25, skipping insertion in model container [2021-10-11 02:31:25,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:25" (1/1) ... [2021-10-11 02:31:25,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:25,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:25,799 WARN L226 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_670949b2-35d6-4e0a-b3fa-4975319ac2e4/sv-benchmarks/c/bitvector/s3_srvr_2.BV.c.cil.c[44406,44419] [2021-10-11 02:31:25,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:25,816 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:25,890 WARN L226 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_670949b2-35d6-4e0a-b3fa-4975319ac2e4/sv-benchmarks/c/bitvector/s3_srvr_2.BV.c.cil.c[44406,44419] [2021-10-11 02:31:25,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:25,924 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:25,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:25 WrapperNode [2021-10-11 02:31:25,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:25,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:25,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:25,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:25,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:25" (1/1) ... [2021-10-11 02:31:25,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:25" (1/1) ... [2021-10-11 02:31:26,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:26,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:26,035 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:26,035 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:26,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:25" (1/1) ... [2021-10-11 02:31:26,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:25" (1/1) ... [2021-10-11 02:31:26,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:25" (1/1) ... [2021-10-11 02:31:26,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:25" (1/1) ... [2021-10-11 02:31:26,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:25" (1/1) ... [2021-10-11 02:31:26,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:25" (1/1) ... [2021-10-11 02:31:26,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:25" (1/1) ... [2021-10-11 02:31:26,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:26,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:26,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:26,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:26,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:25" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:31:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:26,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:26,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:26,365 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:31:26,999 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-11 02:31:27,000 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-11 02:31:27,358 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:27,358 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 02:31:27,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:27 BoogieIcfgContainer [2021-10-11 02:31:27,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:27,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:27,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:27,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:27,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:25" (1/3) ... [2021-10-11 02:31:27,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c2a9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:27, skipping insertion in model container [2021-10-11 02:31:27,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:25" (2/3) ... [2021-10-11 02:31:27,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c2a9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:27, skipping insertion in model container [2021-10-11 02:31:27,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:27" (3/3) ... [2021-10-11 02:31:27,370 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2.BV.c.cil.c [2021-10-11 02:31:27,385 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:27,389 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2021-10-11 02:31:27,400 INFO L253 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2021-10-11 02:31:27,425 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:27,426 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:27,426 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:27,426 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:27,426 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:27,427 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:27,427 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:27,427 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:27,446 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2021-10-11 02:31:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2021-10-11 02:31:27,451 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:27,451 INFO L422 BasicCegarLoop]: trace histogram [1, 1] [2021-10-11 02:31:27,452 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2021-10-11 02:31:27,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:27,458 INFO L82 PathProgramCache]: Analyzing trace with hash 22582, now seen corresponding path program 1 times [2021-10-11 02:31:27,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:31:27,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320178500] [2021-10-11 02:31:27,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:31:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:31:27,592 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:31:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:31:27,634 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:31:27,659 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:31:27,660 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:31:27,661 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:31:27,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:27 BoogieIcfgContainer [2021-10-11 02:31:27,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:27,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:27,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:27,686 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:27,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:27" (3/4) ... [2021-10-11 02:31:27,688 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:31:27,749 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_670949b2-35d6-4e0a-b3fa-4975319ac2e4/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:31:27,749 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:27,752 INFO L168 Benchmark]: Toolchain (without parser) took 2272.19 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 69.9 MB in the beginning and 47.4 MB in the end (delta: 22.5 MB). Peak memory consumption was 43.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:27,752 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 100.7 MB. Free memory is still 55.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:27,753 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.89 ms. Allocated memory is still 100.7 MB. Free memory was 69.7 MB in the beginning and 71.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:27,753 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.91 ms. Allocated memory is still 100.7 MB. Free memory was 71.6 MB in the beginning and 68.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:27,754 INFO L168 Benchmark]: Boogie Preprocessor took 88.68 ms. Allocated memory is still 100.7 MB. Free memory was 68.9 MB in the beginning and 66.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:27,754 INFO L168 Benchmark]: RCFGBuilder took 1237.16 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 66.4 MB in the beginning and 67.4 MB in the end (delta: -924.6 kB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:27,755 INFO L168 Benchmark]: TraceAbstraction took 321.53 ms. Allocated memory is still 121.6 MB. Free memory was 67.4 MB in the beginning and 50.6 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:27,755 INFO L168 Benchmark]: Witness Printer took 64.60 ms. Allocated memory is still 121.6 MB. Free memory was 50.6 MB in the beginning and 47.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:27,758 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 100.7 MB. Free memory is still 55.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 444.89 ms. Allocated memory is still 100.7 MB. Free memory was 69.7 MB in the beginning and 71.6 MB in the end (delta: -1.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 107.91 ms. Allocated memory is still 100.7 MB. Free memory was 71.6 MB in the beginning and 68.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 88.68 ms. Allocated memory is still 100.7 MB. Free memory was 68.9 MB in the beginning and 66.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1237.16 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 66.4 MB in the beginning and 67.4 MB in the end (delta: -924.6 kB). Peak memory consumption was 33.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 321.53 ms. Allocated memory is still 121.6 MB. Free memory was 67.4 MB in the beginning and 50.6 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 64.60 ms. Allocated memory is still 121.6 MB. Free memory was 50.6 MB in the beginning and 47.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 85]: integer overflow possible integer overflow possible We found a FailurePath: [L680] int s ; [L681] int tmp ; [L685] s = 8464 [L11] int s__info_callback = __VERIFIER_nondet_int(); [L12] int s__in_handshake = __VERIFIER_nondet_int(); [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int(); [L17] int s__type ; [L18] int s__init_num ; [L19] int s__hit = __VERIFIER_nondet_int(); [L20] int s__rwstate ; [L21] int s__init_buf___0 ; [L22] int s__debug = __VERIFIER_nondet_int(); [L23] int s__shutdown ; [L24] int s__cert = __VERIFIER_nondet_int(); [L25] int s__options = __VERIFIER_nondet_int(); [L26] int s__verify_mode = __VERIFIER_nondet_int(); [L27] int s__session__peer = __VERIFIER_nondet_int(); [L28] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int(); [L29] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L30] int s__ctx__stats__sess_accept_renegotiate = __VERIFIER_nondet_int(); [L31] int s__ctx__stats__sess_accept = __VERIFIER_nondet_int(); [L32] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int(); [L33] int s__s3__tmp__cert_request ; [L34] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__use_rsa_tmp ; [L36] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L38] int s__s3__tmp__next_state___0 ; [L39] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int(); [L40] int s__session__cipher ; [L41] int buf ; [L42] unsigned long l ; [L43] unsigned long Time ; [L44] unsigned long tmp ; [L45] int cb ; [L46] long num1 = __VERIFIER_nondet_long(); [L47] int ret ; [L48] int new_state ; [L49] int state ; [L50] int skip ; [L51] int got_new_session ; [L52] int tmp___1 = __VERIFIER_nondet_int(); [L53] int tmp___2 = __VERIFIER_nondet_int(); [L54] int tmp___3 = __VERIFIER_nondet_int(); [L55] int tmp___4 = __VERIFIER_nondet_int(); [L56] int tmp___5 = __VERIFIER_nondet_int(); [L57] int tmp___6 = __VERIFIER_nondet_int(); [L58] int tmp___7 ; [L59] long tmp___8 = __VERIFIER_nondet_long(); [L60] int tmp___9 = __VERIFIER_nondet_int(); [L61] int tmp___10 = __VERIFIER_nondet_int(); [L62] int blastFlag ; [L63] int ag_X = __VERIFIER_nondet_int(); [L64] int ag_Y = __VERIFIER_nondet_int(); [L65] int __retres69 ; [L68] s__state = initial_state [L69] blastFlag = 0 [L70] tmp = __VERIFIER_nondet_int() [L71] Time = tmp [L72] cb = 0 [L73] ret = -1 [L74] skip = 0 [L75] got_new_session = 0 [L76] COND FALSE !(s__info_callback != 0) [L79] COND TRUE s__ctx__info_callback != 0 [L80] cb = s__ctx__info_callback [L85] s__in_handshake + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 163 locations, 29 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=163occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...