./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg --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 fede4392da499d4da2a361fb83acd9bb4923aa7d2e60d650adb95aa72fb45a84 .................................................................................................................................................................................................................................................................................................................................................................................................................. 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 0.2.1-dev-b2eff8b [2021-10-28 09:22:44,092 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:22:44,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:22:44,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:22:44,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:22:44,131 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:22:44,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:22:44,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:22:44,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:22:44,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:22:44,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:22:44,148 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:22:44,149 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:22:44,150 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:22:44,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:22:44,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:22:44,156 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:22:44,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:22:44,163 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:22:44,166 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:22:44,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:22:44,171 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:22:44,173 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:22:44,174 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:22:44,179 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:22:44,179 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:22:44,180 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:22:44,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:22:44,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:22:44,184 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:22:44,185 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:22:44,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:22:44,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:22:44,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:22:44,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:22:44,192 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:22:44,193 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:22:44,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:22:44,194 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:22:44,195 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:22:44,196 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:22:44,198 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-10-28 09:22:44,246 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:22:44,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:22:44,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:22:44,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:22:44,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:22:44,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:22:44,254 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:22:44,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:22:44,255 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:22:44,255 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:22:44,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:22:44,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:22:44,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:22:44,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:22:44,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:22:44,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:22:44,259 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-28 09:22:44,259 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:22:44,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:22:44,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:22:44,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:22:44,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:22:44,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:22:44,261 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:22:44,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:22:44,261 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:22:44,262 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:22:44,262 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:22:44,262 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:22:44,264 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:22:44,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:22:44,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:22:44,265 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_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fede4392da499d4da2a361fb83acd9bb4923aa7d2e60d650adb95aa72fb45a84 [2021-10-28 09:22:44,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:22:44,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:22:44,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:22:44,605 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:22:44,606 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:22:44,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c [2021-10-28 09:22:44,709 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/data/584b363c7/bf7e5b7ba9cb4853a1ff511636e644ed/FLAGad41a9bda [2021-10-28 09:22:45,288 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:22:45,289 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c [2021-10-28 09:22:45,319 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/data/584b363c7/bf7e5b7ba9cb4853a1ff511636e644ed/FLAGad41a9bda [2021-10-28 09:22:45,653 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/data/584b363c7/bf7e5b7ba9cb4853a1ff511636e644ed [2021-10-28 09:22:45,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:22:45,664 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:22:45,669 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:22:45,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:22:45,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:22:45,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:22:45" (1/1) ... [2021-10-28 09:22:45,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24898a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:45, skipping insertion in model container [2021-10-28 09:22:45,700 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:22:45" (1/1) ... [2021-10-28 09:22:45,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:22:45,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:22:46,138 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_8462e003-e755-4406-b322-33ea79008cc4/sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c[44946,44959] [2021-10-28 09:22:46,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:22:46,179 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:22:46,306 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_8462e003-e755-4406-b322-33ea79008cc4/sv-benchmarks/c/bitvector/s3_srvr_1_alt.BV.c.cil.c[44946,44959] [2021-10-28 09:22:46,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:22:46,328 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:22:46,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:46 WrapperNode [2021-10-28 09:22:46,330 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:22:46,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:22:46,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:22:46,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:22:46,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:46" (1/1) ... [2021-10-28 09:22:46,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:46" (1/1) ... [2021-10-28 09:22:46,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:22:46,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:22:46,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:22:46,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:22:46,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:46" (1/1) ... [2021-10-28 09:22:46,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:46" (1/1) ... [2021-10-28 09:22:46,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:46" (1/1) ... [2021-10-28 09:22:46,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:46" (1/1) ... [2021-10-28 09:22:46,475 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:46" (1/1) ... [2021-10-28 09:22:46,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:46" (1/1) ... [2021-10-28 09:22:46,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:46" (1/1) ... [2021-10-28 09:22:46,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:22:46,495 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:22:46,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:22:46,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:22:46,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:46" (1/1) ... [2021-10-28 09:22:46,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:22:46,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:46,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:46,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:22:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:22:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:22:46,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:22:46,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:22:46,842 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-28 09:22:47,563 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##93: assume !false; [2021-10-28 09:22:47,563 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##92: assume false; [2021-10-28 09:22:47,575 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:22:47,575 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-28 09:22:47,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:22:47 BoogieIcfgContainer [2021-10-28 09:22:47,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:22:47,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:22:47,581 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:22:47,586 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:22:47,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:22:45" (1/3) ... [2021-10-28 09:22:47,587 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220da729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:22:47, skipping insertion in model container [2021-10-28 09:22:47,587 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:22:46" (2/3) ... [2021-10-28 09:22:47,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@220da729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:22:47, skipping insertion in model container [2021-10-28 09:22:47,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:22:47" (3/3) ... [2021-10-28 09:22:47,590 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_1_alt.BV.c.cil.c [2021-10-28 09:22:47,597 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:22:47,597 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2021-10-28 09:22:47,649 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:22:47,657 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:22:47,657 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2021-10-28 09:22:47,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 154 states have (on average 1.7597402597402598) internal successors, (271), 170 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:22:47,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-28 09:22:47,689 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:22:47,689 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:22:47,690 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-28 09:22:47,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:22:47,698 INFO L85 PathProgramCache]: Analyzing trace with hash 889508720, now seen corresponding path program 1 times [2021-10-28 09:22:47,709 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:22:47,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177091228] [2021-10-28 09:22:47,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:22:47,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:22:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:22:47,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:22:47,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:22:47,959 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177091228] [2021-10-28 09:22:47,960 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177091228] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:22:47,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:22:47,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:22:47,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440599313] [2021-10-28 09:22:47,975 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:22:47,975 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:22:47,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:22:48,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:22:48,006 INFO L87 Difference]: Start difference. First operand has 171 states, 154 states have (on average 1.7597402597402598) internal successors, (271), 170 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2021-10-28 09:22:48,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:22:48,079 INFO L93 Difference]: Finished difference Result 339 states and 538 transitions. [2021-10-28 09:22:48,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:22:48,081 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) Word has length 6 [2021-10-28 09:22:48,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:22:48,095 INFO L225 Difference]: With dead ends: 339 [2021-10-28 09:22:48,095 INFO L226 Difference]: Without dead ends: 163 [2021-10-28 09:22:48,100 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:22:48,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2021-10-28 09:22:48,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2021-10-28 09:22:48,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 147 states have (on average 1.7346938775510203) internal successors, (255), 162 states have internal predecessors, (255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:22:48,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 255 transitions. [2021-10-28 09:22:48,169 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 255 transitions. Word has length 6 [2021-10-28 09:22:48,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:22:48,169 INFO L470 AbstractCegarLoop]: Abstraction has 163 states and 255 transitions. [2021-10-28 09:22:48,170 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2021-10-28 09:22:48,170 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 255 transitions. [2021-10-28 09:22:48,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-28 09:22:48,171 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:22:48,171 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:22:48,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:22:48,172 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2021-10-28 09:22:48,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:22:48,173 INFO L85 PathProgramCache]: Analyzing trace with hash 889568302, now seen corresponding path program 1 times [2021-10-28 09:22:48,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:22:48,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797877535] [2021-10-28 09:22:48,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:22:48,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:22:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:22:48,224 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:22:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:22:48,301 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:22:48,301 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 09:22:48,303 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,306 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,307 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,307 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,308 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,309 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,310 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,311 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,313 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,314 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-28 09:22:48,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:22:48,319 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1] [2021-10-28 09:22:48,322 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:22:48,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:22:48 BoogieIcfgContainer [2021-10-28 09:22:48,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:22:48,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:22:48,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:22:48,374 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:22:48,374 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:22:47" (3/4) ... [2021-10-28 09:22:48,379 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 09:22:48,519 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:22:48,519 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:22:48,522 INFO L168 Benchmark]: Toolchain (without parser) took 2856.37 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 70.4 MB in the beginning and 100.2 MB in the end (delta: -29.8 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:22:48,522 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 104.9 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:22:48,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 660.86 ms. Allocated memory is still 104.9 MB. Free memory was 70.2 MB in the beginning and 74.8 MB in the end (delta: -4.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:22:48,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.20 ms. Allocated memory is still 104.9 MB. Free memory was 74.8 MB in the beginning and 71.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:22:48,525 INFO L168 Benchmark]: Boogie Preprocessor took 48.58 ms. Allocated memory is still 104.9 MB. Free memory was 71.6 MB in the beginning and 69.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:22:48,527 INFO L168 Benchmark]: RCFGBuilder took 1084.07 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 69.5 MB in the beginning and 95.1 MB in the end (delta: -25.6 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:22:48,527 INFO L168 Benchmark]: TraceAbstraction took 790.67 ms. Allocated memory is still 127.9 MB. Free memory was 94.5 MB in the beginning and 64.5 MB in the end (delta: 30.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:22:48,528 INFO L168 Benchmark]: Witness Printer took 146.39 ms. Allocated memory is still 127.9 MB. Free memory was 64.5 MB in the beginning and 100.2 MB in the end (delta: -35.7 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:22:48,531 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 104.9 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 660.86 ms. Allocated memory is still 104.9 MB. Free memory was 70.2 MB in the beginning and 74.8 MB in the end (delta: -4.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.20 ms. Allocated memory is still 104.9 MB. Free memory was 74.8 MB in the beginning and 71.6 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.58 ms. Allocated memory is still 104.9 MB. Free memory was 71.6 MB in the beginning and 69.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1084.07 ms. Allocated memory was 104.9 MB in the beginning and 127.9 MB in the end (delta: 23.1 MB). Free memory was 69.5 MB in the beginning and 95.1 MB in the end (delta: -25.6 MB). Peak memory consumption was 31.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 790.67 ms. Allocated memory is still 127.9 MB. Free memory was 94.5 MB in the beginning and 64.5 MB in the end (delta: 30.0 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 146.39 ms. Allocated memory is still 127.9 MB. Free memory was 64.5 MB in the beginning and 100.2 MB in the end (delta: -35.7 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 91]: integer overflow possible integer overflow possible We found a FailurePath: [L691] int s ; [L692] int tmp ; [L696] s = 8464 [L16] int s__info_callback = __VERIFIER_nondet_int(); [L17] int s__in_handshake = __VERIFIER_nondet_int(); [L18] int s__state ; [L19] int s__new_session ; [L20] int s__server ; [L21] int s__version = __VERIFIER_nondet_int(); [L22] int s__type ; [L23] int s__init_num ; [L24] int s__hit = __VERIFIER_nondet_int(); [L25] int s__rwstate ; [L26] int s__init_buf___0 ; [L27] int s__debug = __VERIFIER_nondet_int(); [L28] int s__shutdown ; [L29] int s__cert = __VERIFIER_nondet_int(); [L30] int s__options = __VERIFIER_nondet_int(); [L31] int s__verify_mode = __VERIFIER_nondet_int(); [L32] int s__session__peer = __VERIFIER_nondet_int(); [L33] int s__cert__pkeys__AT0__privatekey = __VERIFIER_nondet_int(); [L34] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L35] int s__ctx__stats__sess_accept_renegotiate ; [L36] int s__ctx__stats__sess_accept ; [L37] int s__ctx__stats__sess_accept_good = __VERIFIER_nondet_int(); [L38] int s__s3__tmp__cert_request ; [L39] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L40] int s__s3__tmp__use_rsa_tmp ; [L41] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L42] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L43] int s__s3__tmp__next_state___0 ; [L44] int s__s3__tmp__new_cipher__algo_strength = __VERIFIER_nondet_int(); [L45] int s__session__cipher ; [L46] int buf = __VERIFIER_nondet_int(); [L47] unsigned long l ; [L48] unsigned long Time ; [L49] unsigned long tmp = __VERIFIER_nondet_ulong(); [L50] int cb ; [L51] long num1 ; [L52] int ret ; [L53] int new_state ; [L54] int state ; [L55] int skip ; [L56] int got_new_session ; [L57] int tmp___1 = __VERIFIER_nondet_int(); [L58] int tmp___2 = __VERIFIER_nondet_int(); [L59] int tmp___3 ; [L60] int tmp___4 ; [L61] int tmp___5 ; [L62] int tmp___6 ; [L63] int tmp___7 ; [L64] long tmp___8 = __VERIFIER_nondet_long(); [L65] int tmp___9 ; [L66] int tmp___10 ; [L67] int blastFlag ; [L68] int ag_X ; [L69] int ag_Y = __VERIFIER_nondet_int(); [L70] int ag_Z ; [L71] int __retres70 ; [L3] COND FALSE !(!cond) [L75] s__state = initial_state [L76] blastFlag = 0 [L77] Time = tmp [L78] cb = 0 [L79] ret = -1 [L80] skip = 0 [L81] got_new_session = 0 [L82] COND TRUE s__info_callback != 0 [L83] cb = s__info_callback [L91] s__in_handshake + 1 - UnprovableResult [Line: 91]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 268]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 268]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 270]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 270]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 369]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 369]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 547]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 587]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 674]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 674]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 171 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 267 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=171occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-28 09:22:48,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8462e003-e755-4406-b322-33ea79008cc4/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...