./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16858dc1026a2c970bb4e6fa0d41205373b02c5c .......................................................................................................................................................................................................................................................................................................... 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-a4ecdab [2020-11-29 18:52:15,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 18:52:15,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 18:52:15,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 18:52:15,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 18:52:15,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 18:52:15,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 18:52:15,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 18:52:15,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 18:52:15,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 18:52:15,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 18:52:15,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 18:52:15,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 18:52:15,688 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 18:52:15,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 18:52:15,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 18:52:15,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 18:52:15,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 18:52:15,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 18:52:15,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 18:52:15,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 18:52:15,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 18:52:15,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 18:52:15,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 18:52:15,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 18:52:15,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 18:52:15,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 18:52:15,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 18:52:15,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 18:52:15,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 18:52:15,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 18:52:15,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 18:52:15,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 18:52:15,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 18:52:15,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 18:52:15,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 18:52:15,716 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 18:52:15,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 18:52:15,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 18:52:15,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 18:52:15,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 18:52:15,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-11-29 18:52:15,742 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 18:52:15,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 18:52:15,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 18:52:15,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 18:52:15,744 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 18:52:15,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 18:52:15,745 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 18:52:15,745 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 18:52:15,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 18:52:15,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 18:52:15,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 18:52:15,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 18:52:15,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 18:52:15,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 18:52:15,747 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-11-29 18:52:15,747 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 18:52:15,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 18:52:15,747 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 18:52:15,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 18:52:15,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 18:52:15,748 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 18:52:15,748 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 18:52:15,749 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 18:52:15,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 18:52:15,749 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 18:52:15,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 18:52:15,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 18:52:15,750 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 18:52:15,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 18:52:15,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 18:52:15,750 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 18:52:15,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16858dc1026a2c970bb4e6fa0d41205373b02c5c [2020-11-29 18:52:15,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 18:52:15,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 18:52:15,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 18:52:15,990 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 18:52:15,991 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 18:52:15,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2.c [2020-11-29 18:52:16,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer/data/81e65b920/47a1811ab63e49f186f9e1c47430fd04/FLAGeb69793ce [2020-11-29 18:52:16,619 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 18:52:16,620 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-2.c [2020-11-29 18:52:16,635 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer/data/81e65b920/47a1811ab63e49f186f9e1c47430fd04/FLAGeb69793ce [2020-11-29 18:52:16,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer/data/81e65b920/47a1811ab63e49f186f9e1c47430fd04 [2020-11-29 18:52:16,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 18:52:16,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 18:52:16,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 18:52:16,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 18:52:16,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 18:52:16,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:52:16" (1/1) ... [2020-11-29 18:52:16,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2473b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:16, skipping insertion in model container [2020-11-29 18:52:16,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:52:16" (1/1) ... [2020-11-29 18:52:16,985 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 18:52:17,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 18:52:17,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:52:17,258 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 18:52:17,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 18:52:17,336 INFO L208 MainTranslator]: Completed translation [2020-11-29 18:52:17,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:17 WrapperNode [2020-11-29 18:52:17,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 18:52:17,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 18:52:17,348 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 18:52:17,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 18:52:17,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:17" (1/1) ... [2020-11-29 18:52:17,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:17" (1/1) ... [2020-11-29 18:52:17,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 18:52:17,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 18:52:17,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 18:52:17,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 18:52:17,430 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:17" (1/1) ... [2020-11-29 18:52:17,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:17" (1/1) ... [2020-11-29 18:52:17,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:17" (1/1) ... [2020-11-29 18:52:17,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:17" (1/1) ... [2020-11-29 18:52:17,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:17" (1/1) ... [2020-11-29 18:52:17,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:17" (1/1) ... [2020-11-29 18:52:17,453 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:17" (1/1) ... [2020-11-29 18:52:17,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 18:52:17,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 18:52:17,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 18:52:17,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 18:52:17,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer/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 [2020-11-29 18:52:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 18:52:17,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 18:52:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 18:52:17,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 18:52:17,717 WARN L798 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-11-29 18:52:18,568 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2020-11-29 18:52:18,569 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2020-11-29 18:52:18,579 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 18:52:18,580 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-29 18:52:18,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:52:18 BoogieIcfgContainer [2020-11-29 18:52:18,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 18:52:18,583 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 18:52:18,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 18:52:18,587 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 18:52:18,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:52:16" (1/3) ... [2020-11-29 18:52:18,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c03bcae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:52:18, skipping insertion in model container [2020-11-29 18:52:18,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:52:17" (2/3) ... [2020-11-29 18:52:18,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c03bcae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:52:18, skipping insertion in model container [2020-11-29 18:52:18,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:52:18" (3/3) ... [2020-11-29 18:52:18,590 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.BV.c.cil-2.c [2020-11-29 18:52:18,601 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 18:52:18,605 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 26 error locations. [2020-11-29 18:52:18,616 INFO L253 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2020-11-29 18:52:18,641 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 18:52:18,642 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 18:52:18,642 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 18:52:18,642 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 18:52:18,642 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 18:52:18,642 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 18:52:18,643 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 18:52:18,643 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 18:52:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2020-11-29 18:52:18,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-11-29 18:52:18,672 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 18:52:18,673 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-11-29 18:52:18,674 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr4ASSERT_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.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr12ASSERT_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]=== [2020-11-29 18:52:18,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 18:52:18,680 INFO L82 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2020-11-29 18:52:18,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 18:52:18,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876444329] [2020-11-29 18:52:18,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 18:52:18,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:52:18,798 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:52:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 18:52:18,848 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 18:52:18,876 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 18:52:18,876 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 18:52:18,877 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 18:52:18,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:52:18 BoogieIcfgContainer [2020-11-29 18:52:18,905 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 18:52:18,905 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 18:52:18,905 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 18:52:18,906 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 18:52:18,906 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:52:18" (3/4) ... [2020-11-29 18:52:18,908 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 18:52:18,993 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_29824f9d-9956-4b74-803e-1e230f8faf7c/bin/uautomizer/witness.graphml [2020-11-29 18:52:18,993 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 18:52:18,995 INFO L168 Benchmark]: Toolchain (without parser) took 2023.76 ms. Allocated memory is still 117.4 MB. Free memory was 88.6 MB in the beginning and 64.8 MB in the end (delta: 23.8 MB). Peak memory consumption was 21.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:18,995 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 86.0 MB. Free memory is still 44.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 18:52:18,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.97 ms. Allocated memory is still 117.4 MB. Free memory was 88.3 MB in the beginning and 90.1 MB in the end (delta: -1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:18,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.32 ms. Allocated memory is still 117.4 MB. Free memory was 90.1 MB in the beginning and 87.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:18,997 INFO L168 Benchmark]: Boogie Preprocessor took 44.81 ms. Allocated memory is still 117.4 MB. Free memory was 87.1 MB in the beginning and 85.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:18,997 INFO L168 Benchmark]: RCFGBuilder took 1123.04 ms. Allocated memory is still 117.4 MB. Free memory was 85.1 MB in the beginning and 83.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:18,998 INFO L168 Benchmark]: TraceAbstraction took 321.22 ms. Allocated memory is still 117.4 MB. Free memory was 83.7 MB in the beginning and 68.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:18,998 INFO L168 Benchmark]: Witness Printer took 88.07 ms. Allocated memory is still 117.4 MB. Free memory was 67.6 MB in the beginning and 64.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 18:52:19,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 86.0 MB. Free memory is still 44.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 374.97 ms. Allocated memory is still 117.4 MB. Free memory was 88.3 MB in the beginning and 90.1 MB in the end (delta: -1.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 65.32 ms. Allocated memory is still 117.4 MB. Free memory was 90.1 MB in the beginning and 87.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.81 ms. Allocated memory is still 117.4 MB. Free memory was 87.1 MB in the beginning and 85.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1123.04 ms. Allocated memory is still 117.4 MB. Free memory was 85.1 MB in the beginning and 83.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 321.22 ms. Allocated memory is still 117.4 MB. Free memory was 83.7 MB in the beginning and 68.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Witness Printer took 88.07 ms. Allocated memory is still 117.4 MB. Free memory was 67.6 MB in the beginning and 64.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 88]: integer overflow possible integer overflow possible We found a FailurePath: [L629] int __retres1 ; [L10] int s__info_callback = __VERIFIER_nondet_int(); [L11] int s__in_handshake = __VERIFIER_nondet_int(); [L12] int s__state ; [L13] int s__new_session ; [L14] int s__server ; [L15] int s__version = __VERIFIER_nondet_int(); [L16] int s__type ; [L17] int s__init_num ; [L18] int s__bbio = __VERIFIER_nondet_int(); [L19] int s__wbio = __VERIFIER_nondet_int(); [L20] int s__hit = __VERIFIER_nondet_int(); [L21] int s__rwstate ; [L22] int s__init_buf___0 ; [L23] int s__debug = __VERIFIER_nondet_int(); [L24] int s__shutdown ; [L25] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L26] int s__ctx__stats__sess_connect_renegotiate ; [L27] int s__ctx__stats__sess_connect ; [L28] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int(); [L29] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int(); [L30] int s__s3__change_cipher_spec ; [L31] int s__s3__flags ; [L32] int s__s3__delay_buf_pop_ret ; [L33] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L34] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [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_compression__id = __VERIFIER_nondet_int(); [L40] int s__session__cipher ; [L41] int s__session__compress_meth ; [L42] int buf ; [L43] unsigned long tmp ; [L44] unsigned long l ; [L45] int num1 ; [L46] int cb ; [L47] int ret ; [L48] int new_state ; [L49] int state ; [L50] int skip ; [L51] int tmp___0 ; [L52] int tmp___1 ; [L53] int tmp___2 ; [L54] int tmp___3 ; [L55] int tmp___4 ; [L56] int tmp___5 ; [L57] int tmp___6 = __VERIFIER_nondet_int(); [L58] int tmp___7 = __VERIFIER_nondet_int(); [L59] int tmp___8 = __VERIFIER_nondet_int(); [L60] int tmp___9 = __VERIFIER_nondet_int(); [L61] int blastFlag ; [L62] int ag_X ; [L63] int ag_Y ; [L64] int ag_Z = __VERIFIER_nondet_int(); [L65] unsigned int ag_V ; [L66] unsigned int ag_W ; [L67] int __retres62 ; [L70] ag_V = 2U [L71] ag_W = 5U [L72] s__state = 12292 [L73] blastFlag = 0 [L74] tmp = __VERIFIER_nondet_int() [L75] cb = 0 [L76] ret = -1 [L77] skip = 0 [L78] tmp___0 = 0 [L79] COND TRUE s__info_callback != 0 [L80] cb = s__info_callback [L88] s__in_handshake + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 176 locations, 26 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=176occurred 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, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...