./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 15:15:10,169 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 15:15:10,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 15:15:10,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 15:15:10,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 15:15:10,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 15:15:10,252 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 15:15:10,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 15:15:10,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 15:15:10,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 15:15:10,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 15:15:10,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 15:15:10,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 15:15:10,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 15:15:10,269 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 15:15:10,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 15:15:10,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 15:15:10,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 15:15:10,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 15:15:10,281 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 15:15:10,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 15:15:10,287 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 15:15:10,288 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 15:15:10,289 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 15:15:10,294 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 15:15:10,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 15:15:10,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 15:15:10,296 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 15:15:10,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 15:15:10,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 15:15:10,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 15:15:10,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 15:15:10,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 15:15:10,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 15:15:10,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 15:15:10,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 15:15:10,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 15:15:10,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 15:15:10,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 15:15:10,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 15:15:10,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 15:15:10,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2021-12-19 15:15:10,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 15:15:10,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 15:15:10,339 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 15:15:10,340 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 15:15:10,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-19 15:15:10,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-19 15:15:10,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 15:15:10,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 15:15:10,342 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 15:15:10,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 15:15:10,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-19 15:15:10,343 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 15:15:10,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 15:15:10,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-19 15:15:10,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 15:15:10,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-19 15:15:10,344 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-19 15:15:10,344 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-19 15:15:10,344 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-19 15:15:10,344 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-19 15:15:10,345 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-19 15:15:10,345 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 15:15:10,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-19 15:15:10,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 15:15:10,345 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 15:15:10,346 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-19 15:15:10,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-19 15:15:10,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 15:15:10,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-19 15:15:10,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-19 15:15:10,347 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 15:15:10,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-19 15:15:10,347 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-19 15:15:10,347 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 15:15:10,348 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 053ed37729093871c2c498497e190e53b613cb8aee6f9e8241abee9e3eadcf24 [2021-12-19 15:15:10,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 15:15:10,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 15:15:10,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 15:15:10,617 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 15:15:10,619 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 15:15:10,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-12-19 15:15:10,689 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a3a2e3e7/42dd3f89baa34520b185fdfd4becaa48/FLAGf3175ffc4 [2021-12-19 15:15:11,172 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 15:15:11,172 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c [2021-12-19 15:15:11,193 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a3a2e3e7/42dd3f89baa34520b185fdfd4becaa48/FLAGf3175ffc4 [2021-12-19 15:15:11,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a3a2e3e7/42dd3f89baa34520b185fdfd4becaa48 [2021-12-19 15:15:11,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 15:15:11,699 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 15:15:11,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 15:15:11,700 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 15:15:11,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 15:15:11,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:15:11" (1/1) ... [2021-12-19 15:15:11,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6566d8ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:11, skipping insertion in model container [2021-12-19 15:15:11,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 03:15:11" (1/1) ... [2021-12-19 15:15:11,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 15:15:11,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 15:15:12,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-12-19 15:15:12,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 15:15:12,035 INFO L203 MainTranslator]: Completed pre-run [2021-12-19 15:15:12,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-2a.c[37884,37897] [2021-12-19 15:15:12,106 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-19 15:15:12,117 INFO L208 MainTranslator]: Completed translation [2021-12-19 15:15:12,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12 WrapperNode [2021-12-19 15:15:12,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 15:15:12,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-19 15:15:12,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-19 15:15:12,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-19 15:15:12,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,179 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 480 [2021-12-19 15:15:12,179 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-19 15:15:12,180 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-19 15:15:12,180 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-19 15:15:12,180 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-19 15:15:12,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-19 15:15:12,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-19 15:15:12,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-19 15:15:12,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-19 15:15:12,211 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (1/1) ... [2021-12-19 15:15:12,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-19 15:15:12,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-19 15:15:12,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-19 15:15:12,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-19 15:15:12,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-19 15:15:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-19 15:15:12,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-19 15:15:12,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-19 15:15:12,422 INFO L236 CfgBuilder]: Building ICFG [2021-12-19 15:15:12,423 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-19 15:15:12,435 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-19 15:15:12,882 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2021-12-19 15:15:12,883 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2021-12-19 15:15:12,883 INFO L277 CfgBuilder]: Performing block encoding [2021-12-19 15:15:12,890 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-19 15:15:12,891 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-19 15:15:12,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:15:12 BoogieIcfgContainer [2021-12-19 15:15:12,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-19 15:15:12,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-19 15:15:12,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-19 15:15:12,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-19 15:15:12,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 03:15:11" (1/3) ... [2021-12-19 15:15:12,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d122ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:15:12, skipping insertion in model container [2021-12-19 15:15:12,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 03:15:12" (2/3) ... [2021-12-19 15:15:12,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8d122ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 03:15:12, skipping insertion in model container [2021-12-19 15:15:12,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:15:12" (3/3) ... [2021-12-19 15:15:12,902 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-2a.c [2021-12-19 15:15:12,907 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-19 15:15:12,907 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-19 15:15:12,965 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-19 15:15:12,972 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 [2021-12-19 15:15:12,972 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-19 15:15:12,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 126 states have (on average 1.7301587301587302) internal successors, (218), 128 states have internal predecessors, (218), 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) [2021-12-19 15:15:13,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-19 15:15:13,002 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:13,002 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:15:13,003 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-12-19 15:15:13,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:13,008 INFO L85 PathProgramCache]: Analyzing trace with hash -729047963, now seen corresponding path program 1 times [2021-12-19 15:15:13,015 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:13,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219257365] [2021-12-19 15:15:13,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:13,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:13,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-19 15:15:13,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:13,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219257365] [2021-12-19 15:15:13,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219257365] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:13,212 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:13,212 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:13,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711919452] [2021-12-19 15:15:13,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:13,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:13,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:13,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:13,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:13,252 INFO L87 Difference]: Start difference. First operand has 129 states, 126 states have (on average 1.7301587301587302) internal successors, (218), 128 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-12-19 15:15:13,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:13,401 INFO L93 Difference]: Finished difference Result 253 states and 429 transitions. [2021-12-19 15:15:13,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:13,404 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2021-12-19 15:15:13,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:13,411 INFO L225 Difference]: With dead ends: 253 [2021-12-19 15:15:13,412 INFO L226 Difference]: Without dead ends: 115 [2021-12-19 15:15:13,414 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:13,417 INFO L933 BasicCegarLoop]: 213 mSDtfsCounter, 8 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:13,418 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 322 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:13,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2021-12-19 15:15:13,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2021-12-19 15:15:13,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 113 states have (on average 1.5309734513274336) internal successors, (173), 114 states have internal predecessors, (173), 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) [2021-12-19 15:15:13,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 173 transitions. [2021-12-19 15:15:13,464 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 173 transitions. Word has length 18 [2021-12-19 15:15:13,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:13,464 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 173 transitions. [2021-12-19 15:15:13,464 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-12-19 15:15:13,465 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 173 transitions. [2021-12-19 15:15:13,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-19 15:15:13,466 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:13,466 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:15:13,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-19 15:15:13,466 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-12-19 15:15:13,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:13,467 INFO L85 PathProgramCache]: Analyzing trace with hash 2064575397, now seen corresponding path program 1 times [2021-12-19 15:15:13,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:13,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175988465] [2021-12-19 15:15:13,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:13,468 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:13,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-19 15:15:13,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:13,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175988465] [2021-12-19 15:15:13,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175988465] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:13,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:13,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-19 15:15:13,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064863800] [2021-12-19 15:15:13,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:13,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:13,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:13,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:13,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:13,524 INFO L87 Difference]: Start difference. First operand 115 states and 173 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-19 15:15:13,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:13,558 INFO L93 Difference]: Finished difference Result 316 states and 479 transitions. [2021-12-19 15:15:13,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:13,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 30 [2021-12-19 15:15:13,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:13,561 INFO L225 Difference]: With dead ends: 316 [2021-12-19 15:15:13,561 INFO L226 Difference]: Without dead ends: 210 [2021-12-19 15:15:13,562 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:13,563 INFO L933 BasicCegarLoop]: 165 mSDtfsCounter, 130 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:13,563 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [130 Valid, 312 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-19 15:15:13,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-12-19 15:15:13,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2021-12-19 15:15:13,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 208 states have (on average 1.5048076923076923) internal successors, (313), 209 states have internal predecessors, (313), 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) [2021-12-19 15:15:13,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 313 transitions. [2021-12-19 15:15:13,579 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 313 transitions. Word has length 30 [2021-12-19 15:15:13,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:13,579 INFO L470 AbstractCegarLoop]: Abstraction has 210 states and 313 transitions. [2021-12-19 15:15:13,580 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-19 15:15:13,580 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 313 transitions. [2021-12-19 15:15:13,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-12-19 15:15:13,581 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:13,581 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:15:13,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-19 15:15:13,582 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-12-19 15:15:13,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:13,582 INFO L85 PathProgramCache]: Analyzing trace with hash 2064573475, now seen corresponding path program 1 times [2021-12-19 15:15:13,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:13,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008327331] [2021-12-19 15:15:13,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:13,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:13,649 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-19 15:15:13,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:13,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008327331] [2021-12-19 15:15:13,650 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008327331] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:13,650 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:13,650 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-19 15:15:13,650 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360863533] [2021-12-19 15:15:13,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:13,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:13,651 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:13,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:13,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:13,652 INFO L87 Difference]: Start difference. First operand 210 states and 313 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-19 15:15:13,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:13,831 INFO L93 Difference]: Finished difference Result 516 states and 794 transitions. [2021-12-19 15:15:13,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:13,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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 30 [2021-12-19 15:15:13,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:13,837 INFO L225 Difference]: With dead ends: 516 [2021-12-19 15:15:13,837 INFO L226 Difference]: Without dead ends: 317 [2021-12-19 15:15:13,841 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:13,843 INFO L933 BasicCegarLoop]: 129 mSDtfsCounter, 80 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:13,844 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 195 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:13,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-12-19 15:15:13,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 291. [2021-12-19 15:15:13,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 290 states have (on average 1.4275862068965517) internal successors, (414), 290 states have internal predecessors, (414), 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) [2021-12-19 15:15:13,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 414 transitions. [2021-12-19 15:15:13,861 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 414 transitions. Word has length 30 [2021-12-19 15:15:13,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:13,862 INFO L470 AbstractCegarLoop]: Abstraction has 291 states and 414 transitions. [2021-12-19 15:15:13,862 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 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) [2021-12-19 15:15:13,862 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 414 transitions. [2021-12-19 15:15:13,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-12-19 15:15:13,863 INFO L506 BasicCegarLoop]: Found error trace [2021-12-19 15:15:13,863 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-19 15:15:13,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-19 15:15:13,864 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-12-19 15:15:13,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-19 15:15:13,864 INFO L85 PathProgramCache]: Analyzing trace with hash -422731419, now seen corresponding path program 1 times [2021-12-19 15:15:13,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-19 15:15:13,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972099946] [2021-12-19 15:15:13,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-19 15:15:13,865 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-19 15:15:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-19 15:15:13,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-19 15:15:13,906 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-19 15:15:13,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972099946] [2021-12-19 15:15:13,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972099946] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-19 15:15:13,906 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-19 15:15:13,907 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-19 15:15:13,907 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907279175] [2021-12-19 15:15:13,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-19 15:15:13,907 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-19 15:15:13,908 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-19 15:15:13,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-19 15:15:13,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:13,908 INFO L87 Difference]: Start difference. First operand 291 states and 414 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-12-19 15:15:14,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-19 15:15:14,066 INFO L93 Difference]: Finished difference Result 708 states and 1034 transitions. [2021-12-19 15:15:14,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-19 15:15:14,066 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 31 [2021-12-19 15:15:14,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-19 15:15:14,068 INFO L225 Difference]: With dead ends: 708 [2021-12-19 15:15:14,068 INFO L226 Difference]: Without dead ends: 0 [2021-12-19 15:15:14,070 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-19 15:15:14,078 INFO L933 BasicCegarLoop]: 184 mSDtfsCounter, 101 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-19 15:15:14,079 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [101 Valid, 217 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-19 15:15:14,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-19 15:15:14,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-19 15:15:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-19 15:15:14,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-19 15:15:14,082 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2021-12-19 15:15:14,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-19 15:15:14,082 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-19 15:15:14,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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) [2021-12-19 15:15:14,082 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-19 15:15:14,083 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-19 15:15:14,085 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2021-12-19 15:15:14,085 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2021-12-19 15:15:14,086 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-19 15:15:14,087 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-19 15:15:14,139 INFO L858 garLoopResultBuilder]: For program point L367(lines 367 371) no Hoare annotation was computed. [2021-12-19 15:15:14,139 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 252) no Hoare annotation was computed. [2021-12-19 15:15:14,140 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 551) no Hoare annotation was computed. [2021-12-19 15:15:14,140 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 562) no Hoare annotation was computed. [2021-12-19 15:15:14,140 INFO L858 garLoopResultBuilder]: For program point L235-2(lines 213 545) no Hoare annotation was computed. [2021-12-19 15:15:14,140 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 573) no Hoare annotation was computed. [2021-12-19 15:15:14,140 INFO L854 garLoopResultBuilder]: At program point L203(lines 199 552) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:14,140 INFO L854 garLoopResultBuilder]: At program point L137(lines 133 574) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:14,140 INFO L858 garLoopResultBuilder]: For program point L501-1(lines 501 513) no Hoare annotation was computed. [2021-12-19 15:15:14,140 INFO L858 garLoopResultBuilder]: For program point L435(lines 435 439) no Hoare annotation was computed. [2021-12-19 15:15:14,141 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 242) no Hoare annotation was computed. [2021-12-19 15:15:14,141 INFO L858 garLoopResultBuilder]: For program point L205(lines 205 550) no Hoare annotation was computed. [2021-12-19 15:15:14,141 INFO L858 garLoopResultBuilder]: For program point L172(lines 172 561) no Hoare annotation was computed. [2021-12-19 15:15:14,141 INFO L858 garLoopResultBuilder]: For program point L139(lines 139 572) no Hoare annotation was computed. [2021-12-19 15:15:14,141 INFO L858 garLoopResultBuilder]: For program point L536(lines 536 540) no Hoare annotation was computed. [2021-12-19 15:15:14,141 INFO L854 garLoopResultBuilder]: At program point L206(lines 205 550) the Hoare annotation is: (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4384) [2021-12-19 15:15:14,141 INFO L854 garLoopResultBuilder]: At program point L173(lines 163 564) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:14,141 INFO L858 garLoopResultBuilder]: For program point L504(lines 504 509) no Hoare annotation was computed. [2021-12-19 15:15:14,141 INFO L858 garLoopResultBuilder]: For program point L471(lines 471 482) no Hoare annotation was computed. [2021-12-19 15:15:14,141 INFO L858 garLoopResultBuilder]: For program point L471-1(lines 471 482) no Hoare annotation was computed. [2021-12-19 15:15:14,142 INFO L858 garLoopResultBuilder]: For program point L273(lines 273 277) no Hoare annotation was computed. [2021-12-19 15:15:14,142 INFO L858 garLoopResultBuilder]: For program point L273-2(lines 213 545) no Hoare annotation was computed. [2021-12-19 15:15:14,142 INFO L858 garLoopResultBuilder]: For program point L406(lines 406 410) no Hoare annotation was computed. [2021-12-19 15:15:14,142 INFO L858 garLoopResultBuilder]: For program point L340(lines 340 344) no Hoare annotation was computed. [2021-12-19 15:15:14,142 INFO L858 garLoopResultBuilder]: For program point L340-2(lines 213 545) no Hoare annotation was computed. [2021-12-19 15:15:14,142 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 549) no Hoare annotation was computed. [2021-12-19 15:15:14,142 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 560) no Hoare annotation was computed. [2021-12-19 15:15:14,142 INFO L858 garLoopResultBuilder]: For program point L142(lines 142 571) no Hoare annotation was computed. [2021-12-19 15:15:14,142 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 76 630) no Hoare annotation was computed. [2021-12-19 15:15:14,142 INFO L858 garLoopResultBuilder]: For program point L473(lines 473 479) no Hoare annotation was computed. [2021-12-19 15:15:14,143 INFO L861 garLoopResultBuilder]: At program point L209(lines 208 549) the Hoare annotation is: true [2021-12-19 15:15:14,143 INFO L854 garLoopResultBuilder]: At program point L143(lines 139 572) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:14,143 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-12-19 15:15:14,143 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 248) no Hoare annotation was computed. [2021-12-19 15:15:14,143 INFO L861 garLoopResultBuilder]: At program point L640(lines 632 642) the Hoare annotation is: true [2021-12-19 15:15:14,143 INFO L858 garLoopResultBuilder]: For program point L310(lines 310 314) no Hoare annotation was computed. [2021-12-19 15:15:14,143 INFO L858 garLoopResultBuilder]: For program point L310-2(lines 310 314) no Hoare annotation was computed. [2021-12-19 15:15:14,143 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 559) no Hoare annotation was computed. [2021-12-19 15:15:14,143 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 570) no Hoare annotation was computed. [2021-12-19 15:15:14,143 INFO L858 garLoopResultBuilder]: For program point L112(lines 112 581) no Hoare annotation was computed. [2021-12-19 15:15:14,144 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 447) no Hoare annotation was computed. [2021-12-19 15:15:14,144 INFO L858 garLoopResultBuilder]: For program point L443-2(lines 213 545) no Hoare annotation was computed. [2021-12-19 15:15:14,144 INFO L861 garLoopResultBuilder]: At program point L212(lines 211 548) the Hoare annotation is: true [2021-12-19 15:15:14,144 INFO L854 garLoopResultBuilder]: At program point L179(lines 175 560) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:14,144 INFO L854 garLoopResultBuilder]: At program point L113(lines 112 581) the Hoare annotation is: (= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 12292) [2021-12-19 15:15:14,144 INFO L858 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-12-19 15:15:14,144 INFO L858 garLoopResultBuilder]: For program point L412(lines 412 417) no Hoare annotation was computed. [2021-12-19 15:15:14,144 INFO L858 garLoopResultBuilder]: For program point L412-2(lines 412 417) no Hoare annotation was computed. [2021-12-19 15:15:14,144 INFO L858 garLoopResultBuilder]: For program point L181(lines 181 558) no Hoare annotation was computed. [2021-12-19 15:15:14,144 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 569) no Hoare annotation was computed. [2021-12-19 15:15:14,144 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 580) no Hoare annotation was computed. [2021-12-19 15:15:14,145 INFO L854 garLoopResultBuilder]: At program point L149(lines 145 570) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:14,145 INFO L861 garLoopResultBuilder]: At program point L546(lines 109 612) the Hoare annotation is: true [2021-12-19 15:15:14,145 INFO L858 garLoopResultBuilder]: For program point L84(lines 84 92) no Hoare annotation was computed. [2021-12-19 15:15:14,145 INFO L861 garLoopResultBuilder]: At program point L613(lines 108 614) the Hoare annotation is: true [2021-12-19 15:15:14,145 INFO L858 garLoopResultBuilder]: For program point L184(lines 184 557) no Hoare annotation was computed. [2021-12-19 15:15:14,145 INFO L858 garLoopResultBuilder]: For program point L151(lines 151 568) no Hoare annotation was computed. [2021-12-19 15:15:14,145 INFO L858 garLoopResultBuilder]: For program point L118(lines 118 579) no Hoare annotation was computed. [2021-12-19 15:15:14,145 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2021-12-19 15:15:14,145 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-19 15:15:14,145 INFO L858 garLoopResultBuilder]: For program point L383-2(lines 383 387) no Hoare annotation was computed. [2021-12-19 15:15:14,145 INFO L858 garLoopResultBuilder]: For program point L284(line 284) no Hoare annotation was computed. [2021-12-19 15:15:14,146 INFO L858 garLoopResultBuilder]: For program point L284-1(line 284) no Hoare annotation was computed. [2021-12-19 15:15:14,146 INFO L861 garLoopResultBuilder]: At program point L218(lines 115 580) the Hoare annotation is: true [2021-12-19 15:15:14,146 INFO L854 garLoopResultBuilder]: At program point L185(lines 181 558) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:14,146 INFO L858 garLoopResultBuilder]: For program point L582(lines 582 610) no Hoare annotation was computed. [2021-12-19 15:15:14,146 INFO L858 garLoopResultBuilder]: For program point L87(lines 87 91) no Hoare annotation was computed. [2021-12-19 15:15:14,146 INFO L858 garLoopResultBuilder]: For program point L87-2(lines 84 92) no Hoare annotation was computed. [2021-12-19 15:15:14,146 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 607) no Hoare annotation was computed. [2021-12-19 15:15:14,146 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 213 545) no Hoare annotation was computed. [2021-12-19 15:15:14,146 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 357) no Hoare annotation was computed. [2021-12-19 15:15:14,146 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 290) no Hoare annotation was computed. [2021-12-19 15:15:14,146 INFO L858 garLoopResultBuilder]: For program point L319-1(lines 319 333) no Hoare annotation was computed. [2021-12-19 15:15:14,146 INFO L858 garLoopResultBuilder]: For program point L187(lines 187 556) no Hoare annotation was computed. [2021-12-19 15:15:14,147 INFO L858 garLoopResultBuilder]: For program point L154(lines 154 567) no Hoare annotation was computed. [2021-12-19 15:15:14,147 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 578) no Hoare annotation was computed. [2021-12-19 15:15:14,147 INFO L858 garLoopResultBuilder]: For program point L617(lines 617 621) no Hoare annotation was computed. [2021-12-19 15:15:14,147 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 593) no Hoare annotation was computed. [2021-12-19 15:15:14,147 INFO L858 garLoopResultBuilder]: For program point L617-2(lines 617 621) no Hoare annotation was computed. [2021-12-19 15:15:14,147 INFO L858 garLoopResultBuilder]: For program point L584-2(lines 583 605) no Hoare annotation was computed. [2021-12-19 15:15:14,147 INFO L854 garLoopResultBuilder]: At program point L155(lines 151 568) the Hoare annotation is: (or (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) (= |ULTIMATE.start_ssl3_connect_~blastFlag~0#1| 0)) [2021-12-19 15:15:14,147 INFO L858 garLoopResultBuilder]: For program point L586(lines 586 590) no Hoare annotation was computed. [2021-12-19 15:15:14,147 INFO L858 garLoopResultBuilder]: For program point L454(lines 454 459) no Hoare annotation was computed. [2021-12-19 15:15:14,147 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-19 15:15:14,147 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 227) no Hoare annotation was computed. [2021-12-19 15:15:14,147 INFO L858 garLoopResultBuilder]: For program point L190(lines 190 555) no Hoare annotation was computed. [2021-12-19 15:15:14,148 INFO L858 garLoopResultBuilder]: For program point L157(lines 157 566) no Hoare annotation was computed. [2021-12-19 15:15:14,148 INFO L858 garLoopResultBuilder]: For program point L223-2(lines 213 545) no Hoare annotation was computed. [2021-12-19 15:15:14,148 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 577) no Hoare annotation was computed. [2021-12-19 15:15:14,148 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 492) no Hoare annotation was computed. [2021-12-19 15:15:14,148 INFO L858 garLoopResultBuilder]: For program point L323(lines 323 327) no Hoare annotation was computed. [2021-12-19 15:15:14,148 INFO L858 garLoopResultBuilder]: For program point L323-2(lines 321 333) no Hoare annotation was computed. [2021-12-19 15:15:14,148 INFO L854 garLoopResultBuilder]: At program point L191(lines 187 556) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:14,148 INFO L858 garLoopResultBuilder]: For program point L522-1(lines 522 526) no Hoare annotation was computed. [2021-12-19 15:15:14,148 INFO L858 garLoopResultBuilder]: For program point L423(lines 423 427) no Hoare annotation was computed. [2021-12-19 15:15:14,148 INFO L858 garLoopResultBuilder]: For program point L259(lines 259 264) no Hoare annotation was computed. [2021-12-19 15:15:14,149 INFO L858 garLoopResultBuilder]: For program point L193(lines 193 554) no Hoare annotation was computed. [2021-12-19 15:15:14,149 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 565) no Hoare annotation was computed. [2021-12-19 15:15:14,149 INFO L858 garLoopResultBuilder]: For program point L127(lines 127 576) no Hoare annotation was computed. [2021-12-19 15:15:14,149 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 284) no Hoare annotation was computed. [2021-12-19 15:15:14,149 INFO L858 garLoopResultBuilder]: For program point L94(lines 94 102) no Hoare annotation was computed. [2021-12-19 15:15:14,149 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 76 630) no Hoare annotation was computed. [2021-12-19 15:15:14,149 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-19 15:15:14,149 INFO L854 garLoopResultBuilder]: At program point L161(lines 157 566) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:14,149 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 284) no Hoare annotation was computed. [2021-12-19 15:15:14,150 INFO L858 garLoopResultBuilder]: For program point L95(lines 95 99) no Hoare annotation was computed. [2021-12-19 15:15:14,150 INFO L858 garLoopResultBuilder]: For program point L493(lines 493 497) no Hoare annotation was computed. [2021-12-19 15:15:14,159 INFO L858 garLoopResultBuilder]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2021-12-19 15:15:14,160 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 303) no Hoare annotation was computed. [2021-12-19 15:15:14,160 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 553) no Hoare annotation was computed. [2021-12-19 15:15:14,160 INFO L858 garLoopResultBuilder]: For program point L163(lines 163 564) no Hoare annotation was computed. [2021-12-19 15:15:14,160 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 575) no Hoare annotation was computed. [2021-12-19 15:15:14,160 INFO L858 garLoopResultBuilder]: For program point L395(lines 395 399) no Hoare annotation was computed. [2021-12-19 15:15:14,160 INFO L858 garLoopResultBuilder]: For program point L362(lines 362 366) no Hoare annotation was computed. [2021-12-19 15:15:14,160 INFO L854 garLoopResultBuilder]: At program point L197(lines 193 554) the Hoare annotation is: (<= 4384 |ULTIMATE.start_ssl3_connect_~s__state~0#1|) [2021-12-19 15:15:14,160 INFO L854 garLoopResultBuilder]: At program point L131(lines 127 576) the Hoare annotation is: (<= |ULTIMATE.start_ssl3_connect_~s__state~0#1| 4384) [2021-12-19 15:15:14,160 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-19 15:15:14,161 INFO L861 garLoopResultBuilder]: At program point L363(lines 76 630) the Hoare annotation is: true [2021-12-19 15:15:14,161 INFO L861 garLoopResultBuilder]: At program point L628(lines 76 630) the Hoare annotation is: true [2021-12-19 15:15:14,161 INFO L858 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2021-12-19 15:15:14,161 INFO L858 garLoopResultBuilder]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-12-19 15:15:14,161 INFO L858 garLoopResultBuilder]: For program point L529-2(lines 529 533) no Hoare annotation was computed. [2021-12-19 15:15:14,161 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 302) no Hoare annotation was computed. [2021-12-19 15:15:14,161 INFO L858 garLoopResultBuilder]: For program point L298-2(lines 213 545) no Hoare annotation was computed. [2021-12-19 15:15:14,161 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 552) no Hoare annotation was computed. [2021-12-19 15:15:14,161 INFO L858 garLoopResultBuilder]: For program point L166(lines 166 563) no Hoare annotation was computed. [2021-12-19 15:15:14,162 INFO L858 garLoopResultBuilder]: For program point L133(lines 133 574) no Hoare annotation was computed. [2021-12-19 15:15:14,162 INFO L861 garLoopResultBuilder]: At program point L629(lines 18 631) the Hoare annotation is: true [2021-12-19 15:15:14,162 INFO L858 garLoopResultBuilder]: For program point L464(lines 464 468) no Hoare annotation was computed. [2021-12-19 15:15:14,165 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-12-19 15:15:14,166 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-19 15:15:14,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 03:15:14 BoogieIcfgContainer [2021-12-19 15:15:14,179 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-19 15:15:14,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-19 15:15:14,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-19 15:15:14,179 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-19 15:15:14,180 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 03:15:12" (3/4) ... [2021-12-19 15:15:14,182 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-19 15:15:14,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-12-19 15:15:14,195 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-19 15:15:14,196 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-19 15:15:14,196 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-19 15:15:14,256 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-19 15:15:14,257 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-19 15:15:14,257 INFO L158 Benchmark]: Toolchain (without parser) took 2558.62ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 55.3MB in the beginning and 87.7MB in the end (delta: -32.4MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2021-12-19 15:15:14,257 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 15:15:14,258 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.30ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 55.1MB in the beginning and 95.6MB in the end (delta: -40.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-19 15:15:14,258 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.37ms. Allocated memory is still 123.7MB. Free memory was 95.6MB in the beginning and 92.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-19 15:15:14,258 INFO L158 Benchmark]: Boogie Preprocessor took 29.40ms. Allocated memory is still 123.7MB. Free memory was 92.8MB in the beginning and 91.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 15:15:14,259 INFO L158 Benchmark]: RCFGBuilder took 683.09ms. Allocated memory is still 123.7MB. Free memory was 91.4MB in the beginning and 64.8MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-12-19 15:15:14,270 INFO L158 Benchmark]: TraceAbstraction took 1284.34ms. Allocated memory is still 123.7MB. Free memory was 64.1MB in the beginning and 97.2MB in the end (delta: -33.1MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2021-12-19 15:15:14,271 INFO L158 Benchmark]: Witness Printer took 77.43ms. Allocated memory is still 123.7MB. Free memory was 97.1MB in the beginning and 87.7MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-19 15:15:14,272 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.30ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 55.1MB in the beginning and 95.6MB in the end (delta: -40.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.37ms. Allocated memory is still 123.7MB. Free memory was 95.6MB in the beginning and 92.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.40ms. Allocated memory is still 123.7MB. Free memory was 92.8MB in the beginning and 91.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 683.09ms. Allocated memory is still 123.7MB. Free memory was 91.4MB in the beginning and 64.8MB in the end (delta: 26.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1284.34ms. Allocated memory is still 123.7MB. Free memory was 64.1MB in the beginning and 97.2MB in the end (delta: -33.1MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Witness Printer took 77.43ms. Allocated memory is still 123.7MB. Free memory was 97.1MB in the beginning and 87.7MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 284]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 284]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 319 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 319 mSDsluCounter, 1046 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 355 mSDsCounter, 90 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 342 IncrementalHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 90 mSolverCounterUnsat, 691 mSDtfsCounter, 342 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=291occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 26 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 23 PreInvPairs, 69 NumberOfFragments, 55 HoareAnnotationTreeSize, 23 FomulaSimplifications, 119 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 177 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 9/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 115]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: s__state <= 4384 - InvariantResult [Line: 112]: Loop Invariant Derived loop invariant: s__state == 12292 - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 187]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 181]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 4384 <= s__state || blastFlag == 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: s__state <= 4384 RESULT: Ultimate proved your program to be correct! [2021-12-19 15:15:14,310 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE