./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 500ecb1077d8a4633e209415e47af2a90e5de5cd98f59ff1ea2da4236ad8f21f ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/config using search string *Overflow*32bit*_Bitvector*.epf No suitable settings file found using Overflow*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:07:57,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:07:57,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:07:57,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:07:57,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:07:57,397 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:07:57,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:07:57,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:07:57,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:07:57,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:07:57,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:07:57,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:07:57,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:07:57,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:07:57,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:07:57,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:07:57,421 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:07:57,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:07:57,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:07:57,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:07:57,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:07:57,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:07:57,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:07:57,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:07:57,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:07:57,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:07:57,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:07:57,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:07:57,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:07:57,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:07:57,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:07:57,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:07:57,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:07:57,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:07:57,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:07:57,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:07:57,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:07:57,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:07:57,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:07:57,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:07:57,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:07:57,462 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-24 11:07:57,516 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:07:57,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:07:57,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:07:57,526 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:07:57,526 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:07:57,527 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:07:57,527 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:07:57,527 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:07:57,528 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:07:57,528 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:07:57,537 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:07:57,538 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:07:57,538 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:07:57,539 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:07:57,539 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:07:57,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:07:57,540 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:07:57,541 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 11:07:57,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:07:57,541 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:07:57,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:07:57,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:07:57,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:07:57,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:07:57,543 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-24 11:07:57,543 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:07:57,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:07:57,544 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:07:57,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:07:57,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:07:57,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:07:57,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:07:57,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:07:57,548 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:07:57,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:07:57,548 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:07:57,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:07:57,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:07:57,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:07:57,550 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:07:57,550 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 500ecb1077d8a4633e209415e47af2a90e5de5cd98f59ff1ea2da4236ad8f21f [2021-10-24 11:07:57,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:07:57,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:07:57,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:07:57,988 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:07:57,989 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:07:57,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c [2021-10-24 11:07:58,107 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/data/8d2b51be1/203b75632d4245f783aa253e28b21514/FLAGb1a4c8931 [2021-10-24 11:07:58,669 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:07:58,670 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c [2021-10-24 11:07:58,693 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/data/8d2b51be1/203b75632d4245f783aa253e28b21514/FLAGb1a4c8931 [2021-10-24 11:07:58,994 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/data/8d2b51be1/203b75632d4245f783aa253e28b21514 [2021-10-24 11:07:58,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:07:58,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:07:59,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:07:59,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:07:59,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:07:59,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:07:58" (1/1) ... [2021-10-24 11:07:59,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51976825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:59, skipping insertion in model container [2021-10-24 11:07:59,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:07:58" (1/1) ... [2021-10-24 11:07:59,025 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:07:59,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:07:59,433 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_8e213f00-241d-4a01-ba16-f2f1ffd94c30/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c[37592,37605] [2021-10-24 11:07:59,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:07:59,463 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:07:59,588 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_8e213f00-241d-4a01-ba16-f2f1ffd94c30/sv-benchmarks/c/bitvector/s3_clnt_1.BV.c.cil-1a.c[37592,37605] [2021-10-24 11:07:59,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:07:59,630 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:07:59,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:59 WrapperNode [2021-10-24 11:07:59,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:07:59,633 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:07:59,633 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:07:59,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:07:59,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:59" (1/1) ... [2021-10-24 11:07:59,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:59" (1/1) ... [2021-10-24 11:07:59,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:07:59,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:07:59,709 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:07:59,709 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:07:59,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:59" (1/1) ... [2021-10-24 11:07:59,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:59" (1/1) ... [2021-10-24 11:07:59,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:59" (1/1) ... [2021-10-24 11:07:59,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:59" (1/1) ... [2021-10-24 11:07:59,760 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:59" (1/1) ... [2021-10-24 11:07:59,769 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:59" (1/1) ... [2021-10-24 11:07:59,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:59" (1/1) ... [2021-10-24 11:07:59,778 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:07:59,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:07:59,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:07:59,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:07:59,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:59" (1/1) ... [2021-10-24 11:07:59,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:07:59,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:07:59,829 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:07:59,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:07:59,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 11:07:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:07:59,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:07:59,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:08:00,069 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-24 11:08:00,721 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-10-24 11:08:00,721 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-10-24 11:08:01,175 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:08:01,175 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-24 11:08:01,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:01 BoogieIcfgContainer [2021-10-24 11:08:01,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:08:01,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:08:01,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:08:01,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:08:01,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:07:58" (1/3) ... [2021-10-24 11:08:01,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52145d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:01, skipping insertion in model container [2021-10-24 11:08:01,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:59" (2/3) ... [2021-10-24 11:08:01,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52145d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:01, skipping insertion in model container [2021-10-24 11:08:01,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:01" (3/3) ... [2021-10-24 11:08:01,194 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_1.BV.c.cil-1a.c [2021-10-24 11:08:01,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:08:01,202 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2021-10-24 11:08:01,263 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:08:01,271 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 [2021-10-24 11:08:01,271 INFO L340 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2021-10-24 11:08:01,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 108 states have (on average 1.787037037037037) internal successors, (193), 126 states have internal predecessors, (193), 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) [2021-10-24 11:08:01,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-24 11:08:01,303 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:01,303 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:08:01,304 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-10-24 11:08:01,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:08:01,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1320234330, now seen corresponding path program 1 times [2021-10-24 11:08:01,325 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:08:01,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602818786] [2021-10-24 11:08:01,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:01,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:08:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:08:01,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:08:01,563 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:08:01,566 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602818786] [2021-10-24 11:08:01,567 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602818786] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:08:01,567 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:08:01,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 11:08:01,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438387750] [2021-10-24 11:08:01,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:08:01,581 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:08:01,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:08:01,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:08:01,608 INFO L87 Difference]: Start difference. First operand has 127 states, 108 states have (on average 1.787037037037037) internal successors, (193), 126 states have internal predecessors, (193), 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 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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) [2021-10-24 11:08:01,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:08:01,893 INFO L93 Difference]: Finished difference Result 255 states and 389 transitions. [2021-10-24 11:08:01,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:08:01,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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 13 [2021-10-24 11:08:01,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:08:01,922 INFO L225 Difference]: With dead ends: 255 [2021-10-24 11:08:01,922 INFO L226 Difference]: Without dead ends: 126 [2021-10-24 11:08:01,929 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:08:01,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2021-10-24 11:08:01,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2021-10-24 11:08:01,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 108 states have (on average 1.5462962962962963) internal successors, (167), 125 states have internal predecessors, (167), 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) [2021-10-24 11:08:01,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 167 transitions. [2021-10-24 11:08:01,994 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 167 transitions. Word has length 13 [2021-10-24 11:08:01,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:08:01,997 INFO L470 AbstractCegarLoop]: Abstraction has 126 states and 167 transitions. [2021-10-24 11:08:01,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 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) [2021-10-24 11:08:01,998 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 167 transitions. [2021-10-24 11:08:01,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-24 11:08:02,001 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:02,002 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:08:02,002 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 11:08:02,003 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-10-24 11:08:02,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:08:02,008 INFO L82 PathProgramCache]: Analyzing trace with hash 727088826, now seen corresponding path program 1 times [2021-10-24 11:08:02,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:08:02,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192056853] [2021-10-24 11:08:02,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:02,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:08:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:08:02,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 11:08:02,109 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:08:02,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192056853] [2021-10-24 11:08:02,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192056853] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:08:02,110 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:08:02,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 11:08:02,111 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086983845] [2021-10-24 11:08:02,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:08:02,115 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:08:02,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:08:02,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:08:02,117 INFO L87 Difference]: Start difference. First operand 126 states and 167 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-10-24 11:08:02,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:08:02,268 INFO L93 Difference]: Finished difference Result 264 states and 355 transitions. [2021-10-24 11:08:02,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:08:02,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 23 [2021-10-24 11:08:02,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:08:02,271 INFO L225 Difference]: With dead ends: 264 [2021-10-24 11:08:02,272 INFO L226 Difference]: Without dead ends: 141 [2021-10-24 11:08:02,274 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:08:02,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2021-10-24 11:08:02,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 139. [2021-10-24 11:08:02,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 121 states have (on average 1.512396694214876) internal successors, (183), 138 states have internal predecessors, (183), 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) [2021-10-24 11:08:02,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 183 transitions. [2021-10-24 11:08:02,289 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 183 transitions. Word has length 23 [2021-10-24 11:08:02,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:08:02,289 INFO L470 AbstractCegarLoop]: Abstraction has 139 states and 183 transitions. [2021-10-24 11:08:02,290 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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) [2021-10-24 11:08:02,290 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 183 transitions. [2021-10-24 11:08:02,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-24 11:08:02,292 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:02,292 INFO L512 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:08:02,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-24 11:08:02,293 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-10-24 11:08:02,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:08:02,294 INFO L82 PathProgramCache]: Analyzing trace with hash 749200524, now seen corresponding path program 1 times [2021-10-24 11:08:02,294 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:08:02,294 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956923447] [2021-10-24 11:08:02,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:02,295 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:08:02,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:08:02,396 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-24 11:08:02,396 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:08:02,397 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956923447] [2021-10-24 11:08:02,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956923447] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:08:02,398 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:08:02,398 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-24 11:08:02,398 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156104498] [2021-10-24 11:08:02,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:08:02,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:08:02,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:08:02,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:08:02,401 INFO L87 Difference]: Start difference. First operand 139 states and 183 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-10-24 11:08:02,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:08:02,578 INFO L93 Difference]: Finished difference Result 292 states and 391 transitions. [2021-10-24 11:08:02,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:08:02,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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 34 [2021-10-24 11:08:02,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:08:02,585 INFO L225 Difference]: With dead ends: 292 [2021-10-24 11:08:02,585 INFO L226 Difference]: Without dead ends: 156 [2021-10-24 11:08:02,591 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:08:02,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2021-10-24 11:08:02,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2021-10-24 11:08:02,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 136 states have (on average 1.4779411764705883) internal successors, (201), 153 states have internal predecessors, (201), 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) [2021-10-24 11:08:02,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 201 transitions. [2021-10-24 11:08:02,612 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 201 transitions. Word has length 34 [2021-10-24 11:08:02,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:08:02,613 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 201 transitions. [2021-10-24 11:08:02,613 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2021-10-24 11:08:02,613 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 201 transitions. [2021-10-24 11:08:02,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-24 11:08:02,619 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:02,619 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:08:02,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-24 11:08:02,620 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-10-24 11:08:02,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:08:02,622 INFO L82 PathProgramCache]: Analyzing trace with hash 741414213, now seen corresponding path program 1 times [2021-10-24 11:08:02,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:08:02,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169805855] [2021-10-24 11:08:02,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:02,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:08:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:08:02,737 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-10-24 11:08:02,739 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:08:02,740 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169805855] [2021-10-24 11:08:02,740 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169805855] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:08:02,741 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:08:02,742 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-24 11:08:02,742 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288218968] [2021-10-24 11:08:02,743 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:08:02,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:08:02,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:08:02,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:08:02,745 INFO L87 Difference]: Start difference. First operand 154 states and 201 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 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) [2021-10-24 11:08:02,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:08:02,765 INFO L93 Difference]: Finished difference Result 154 states and 201 transitions. [2021-10-24 11:08:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:08:02,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 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 47 [2021-10-24 11:08:02,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:08:02,769 INFO L225 Difference]: With dead ends: 154 [2021-10-24 11:08:02,770 INFO L226 Difference]: Without dead ends: 153 [2021-10-24 11:08:02,773 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.6ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:08:02,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2021-10-24 11:08:02,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2021-10-24 11:08:02,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 136 states have (on average 1.4705882352941178) internal successors, (200), 152 states have internal predecessors, (200), 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) [2021-10-24 11:08:02,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 200 transitions. [2021-10-24 11:08:02,804 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 200 transitions. Word has length 47 [2021-10-24 11:08:02,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:08:02,805 INFO L470 AbstractCegarLoop]: Abstraction has 153 states and 200 transitions. [2021-10-24 11:08:02,805 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 2 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) [2021-10-24 11:08:02,806 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 200 transitions. [2021-10-24 11:08:02,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-10-24 11:08:02,809 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:08:02,809 INFO L512 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:08:02,810 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-24 11:08:02,811 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2021-10-24 11:08:02,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:08:02,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1509004441, now seen corresponding path program 1 times [2021-10-24 11:08:02,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:08:02,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111005101] [2021-10-24 11:08:02,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:08:02,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:08:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 11:08:02,908 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 11:08:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 11:08:03,033 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-24 11:08:03,033 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 11:08:03,035 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,037 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,038 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,038 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,038 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,039 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,039 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,039 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,039 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,040 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,040 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,041 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,041 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,041 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,042 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,043 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:08:03,043 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-24 11:08:03,055 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:08:03,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:08:03 BoogieIcfgContainer [2021-10-24 11:08:03,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:08:03,179 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:08:03,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:08:03,179 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:08:03,179 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:01" (3/4) ... [2021-10-24 11:08:03,182 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-24 11:08:03,182 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:08:03,185 INFO L168 Benchmark]: Toolchain (without parser) took 4184.53 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 46.7 MB in the beginning and 46.1 MB in the end (delta: 602.8 kB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:03,186 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory is still 63.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:08:03,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.18 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 46.5 MB in the beginning and 83.8 MB in the end (delta: -37.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:03,187 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.50 ms. Allocated memory is still 111.1 MB. Free memory was 83.8 MB in the beginning and 81.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:03,188 INFO L168 Benchmark]: Boogie Preprocessor took 80.12 ms. Allocated memory is still 111.1 MB. Free memory was 81.2 MB in the beginning and 79.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:03,189 INFO L168 Benchmark]: RCFGBuilder took 1390.34 ms. Allocated memory is still 111.1 MB. Free memory was 79.1 MB in the beginning and 83.5 MB in the end (delta: -4.4 MB). Peak memory consumption was 52.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:03,190 INFO L168 Benchmark]: TraceAbstraction took 1994.51 ms. Allocated memory is still 111.1 MB. Free memory was 82.9 MB in the beginning and 46.6 MB in the end (delta: 36.3 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2021-10-24 11:08:03,191 INFO L168 Benchmark]: Witness Printer took 3.89 ms. Allocated memory is still 111.1 MB. Free memory was 46.6 MB in the beginning and 46.1 MB in the end (delta: 538.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:08:03,195 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 86.0 MB. Free memory is still 63.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 627.18 ms. Allocated memory was 86.0 MB in the beginning and 111.1 MB in the end (delta: 25.2 MB). Free memory was 46.5 MB in the beginning and 83.8 MB in the end (delta: -37.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 74.50 ms. Allocated memory is still 111.1 MB. Free memory was 83.8 MB in the beginning and 81.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.12 ms. Allocated memory is still 111.1 MB. Free memory was 81.2 MB in the beginning and 79.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1390.34 ms. Allocated memory is still 111.1 MB. Free memory was 79.1 MB in the beginning and 83.5 MB in the end (delta: -4.4 MB). Peak memory consumption was 52.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1994.51 ms. Allocated memory is still 111.1 MB. Free memory was 82.9 MB in the beginning and 46.6 MB in the end (delta: 36.3 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. * Witness Printer took 3.89 ms. Allocated memory is still 111.1 MB. Free memory was 46.6 MB in the beginning and 46.1 MB in the end (delta: 538.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 309]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 221. Possible FailurePath: [L631] int __retres1 ; [L11] int s__info_callback = __VERIFIER_nondet_int(); [L12] unsigned int s__in_handshake = __VERIFIER_nondet_uint(); [L13] int s__state ; [L14] int s__new_session ; [L15] int s__server ; [L16] int s__version = __VERIFIER_nondet_int(); [L17] int s__type ; [L18] int s__init_num ; [L19] int s__bbio = __VERIFIER_nondet_int(); [L20] int s__wbio = __VERIFIER_nondet_int(); [L21] int s__hit = __VERIFIER_nondet_int(); [L22] int s__rwstate ; [L23] int s__init_buf___0 ; [L24] int s__debug = __VERIFIER_nondet_int(); [L25] int s__shutdown ; [L26] int s__ctx__info_callback = __VERIFIER_nondet_int(); [L27] unsigned int s__ctx__stats__sess_connect_renegotiate = __VERIFIER_nondet_uint(); [L28] unsigned int s__ctx__stats__sess_connect ; [L29] int s__ctx__stats__sess_hit = __VERIFIER_nondet_int(); [L30] int s__ctx__stats__sess_connect_good = __VERIFIER_nondet_int(); [L31] int s__s3__change_cipher_spec ; [L32] int s__s3__flags ; [L33] int s__s3__delay_buf_pop_ret ; [L34] int s__s3__tmp__cert_req = __VERIFIER_nondet_int(); [L35] int s__s3__tmp__new_compression = __VERIFIER_nondet_int(); [L36] int s__s3__tmp__reuse_message = __VERIFIER_nondet_int(); [L37] int s__s3__tmp__new_cipher = __VERIFIER_nondet_int(); [L38] int s__s3__tmp__new_cipher__algorithms = __VERIFIER_nondet_int(); [L39] int s__s3__tmp__next_state___0 ; [L40] int s__s3__tmp__new_compression__id = __VERIFIER_nondet_int(); [L41] int s__session__cipher ; [L42] int s__session__compress_meth ; [L43] int buf ; [L44] unsigned long tmp ; [L45] unsigned long l ; [L46] int num1 ; [L47] int cb ; [L48] int ret ; [L49] int new_state ; [L50] int state ; [L51] int skip ; [L52] int tmp___0 ; [L53] int tmp___1 ; [L54] int tmp___2 ; [L55] int tmp___3 ; [L56] int tmp___4 ; [L57] int tmp___5 ; [L58] int tmp___6 = __VERIFIER_nondet_int(); [L59] int tmp___7 = __VERIFIER_nondet_int(); [L60] int tmp___8 = __VERIFIER_nondet_int(); [L61] int tmp___9 = __VERIFIER_nondet_int(); [L62] int blastFlag ; [L63] int ag_X ; [L64] int ag_Y ; [L65] int ag_Z ; [L66] unsigned int ag_V ; [L67] unsigned int ag_W ; [L68] int __retres62 ; [L71] ag_V = 2U [L72] ag_W = 5U [L73] s__state = 12292 [L74] blastFlag = 0 [L75] tmp = __VERIFIER_nondet_int() [L76] cb = 0 [L77] ret = -1 [L78] skip = 0 [L79] tmp___0 = 0 [L80] COND TRUE s__info_callback != 0 [L81] cb = s__info_callback [L89] s__in_handshake = s__in_handshake + 1 [L90] tmp___1 = __VERIFIER_nondet_int() [L91] COND FALSE !(tmp___1 & 12288) [L102] COND TRUE 1 [L104] state = s__state [L105] COND TRUE s__state == 12292 [L208] s__new_session = 1 [L209] s__state = 4096 [L210] s__ctx__stats__sess_connect_renegotiate = s__ctx__stats__sess_connect_renegotiate + 1 [L215] s__server = 0 [L216] COND TRUE cb != 0 [L221] COND FALSE !((s__version & 65280) != 768) [L227] s__type = 4096 [L228] COND FALSE !(s__init_buf___0 == 0) [L247] tmp___4 = __VERIFIER_nondet_int() [L248] COND FALSE !(! tmp___4) [L254] tmp___5 = __VERIFIER_nondet_int() [L255] COND FALSE !(! tmp___5) [L261] s__state = 4368 [L262] s__ctx__stats__sess_connect = s__ctx__stats__sess_connect + 1 [L263] s__init_num = 0 [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND TRUE s__state == 4368 [L267] s__shutdown = 0 [L268] ret = __VERIFIER_nondet_int() [L269] COND TRUE blastFlag == 0 [L270] blastFlag = 1 [L274] COND FALSE !(ret <= 0) [L279] s__state = 4384 [L280] s__init_num = 0 [L281] COND FALSE !(s__bbio != s__wbio) [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND FALSE !(s__state == 4368) [L123] COND FALSE !(s__state == 4369) [L126] COND TRUE s__state == 4384 [L289] ret = __VERIFIER_nondet_int() [L290] COND TRUE blastFlag == 1 [L291] blastFlag = 2 [L295] COND FALSE !(ret <= 0) [L300] COND FALSE !(\read(s__hit)) [L303] s__state = 4400 [L305] s__init_num = 0 [L580] COND FALSE !(! s__s3__tmp__reuse_message) [L609] skip = 0 [L102] COND TRUE 1 [L104] state = s__state [L105] COND FALSE !(s__state == 12292) [L108] COND FALSE !(s__state == 16384) [L111] COND FALSE !(s__state == 4096) [L114] COND FALSE !(s__state == 20480) [L117] COND FALSE !(s__state == 4099) [L120] COND FALSE !(s__state == 4368) [L123] COND FALSE !(s__state == 4369) [L126] COND FALSE !(s__state == 4384) [L129] COND FALSE !(s__state == 4385) [L132] COND TRUE s__state == 4400 [L309] s__s3__tmp__new_cipher__algorithms - 256 - UnprovableResult [Line: 309]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 382]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 468]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 468]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 471]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 471]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 473]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 473]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 520]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 520]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 528]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 528]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 533]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 533]: 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, 127 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 1788.6ms, OverallIterations: 5, TraceHistogramMax: 4, EmptinessCheckTime: 27.4ms, AutomataDifference: 724.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 675 SDtfs, 153 SDslu, 268 SDs, 0 SdLazy, 274 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 345.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 21.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=154occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 111.0ms AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 50.9ms SsaConstructionTime, 233.1ms SatisfiabilityAnalysisTime, 256.9ms InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 249 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 50/50 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-24 11:08:03,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e213f00-241d-4a01-ba16-f2f1ffd94c30/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...