./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_clnt_3.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_40bc6491-fa68-4940-bf90-f8a53c031077/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/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_40bc6491-fa68-4940-bf90-f8a53c031077/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/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_40bc6491-fa68-4940-bf90-f8a53c031077/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 7fd757c5f0ffc97130fbf2ffab3363825f5b034ba202e55120163a97ab859a7b .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 11:01:36,478 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 11:01:36,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 11:01:36,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 11:01:36,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 11:01:36,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 11:01:36,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 11:01:36,526 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 11:01:36,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 11:01:36,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 11:01:36,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 11:01:36,534 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 11:01:36,534 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 11:01:36,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 11:01:36,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 11:01:36,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 11:01:36,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 11:01:36,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 11:01:36,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 11:01:36,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 11:01:36,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 11:01:36,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 11:01:36,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 11:01:36,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 11:01:36,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 11:01:36,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 11:01:36,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 11:01:36,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 11:01:36,579 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 11:01:36,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 11:01:36,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 11:01:36,589 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 11:01:36,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 11:01:36,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 11:01:36,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 11:01:36,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 11:01:36,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 11:01:36,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 11:01:36,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 11:01:36,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 11:01:36,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 11:01:36,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/bin/utaipan-9zjyvhn0QE/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-24 11:01:36,647 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 11:01:36,648 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 11:01:36,649 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 11:01:36,649 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 11:01:36,649 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 11:01:36,649 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 11:01:36,650 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 11:01:36,650 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 11:01:36,650 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 11:01:36,650 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 11:01:36,650 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 11:01:36,651 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 11:01:36,651 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 11:01:36,651 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 11:01:36,651 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 11:01:36,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 11:01:36,652 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 11:01:36,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-24 11:01:36,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 11:01:36,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 11:01:36,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 11:01:36,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 11:01:36,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 11:01:36,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 11:01:36,654 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-24 11:01:36,654 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 11:01:36,655 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 11:01:36,655 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 11:01:36,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 11:01:36,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 11:01:36,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 11:01:36,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:01:36,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 11:01:36,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 11:01:36,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 11:01:36,657 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 11:01:36,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 11:01:36,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 11:01:36,657 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 11:01:36,657 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 11:01:36,658 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_40bc6491-fa68-4940-bf90-f8a53c031077/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fd757c5f0ffc97130fbf2ffab3363825f5b034ba202e55120163a97ab859a7b [2021-10-24 11:01:36,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 11:01:36,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 11:01:36,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 11:01:36,983 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 11:01:36,984 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 11:01:36,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c [2021-10-24 11:01:37,086 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/bin/utaipan-9zjyvhn0QE/data/710f4d5a4/da81598d97b04378a6d13c31930b1356/FLAG83a6ce435 [2021-10-24 11:01:37,614 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 11:01:37,615 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c [2021-10-24 11:01:37,628 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/bin/utaipan-9zjyvhn0QE/data/710f4d5a4/da81598d97b04378a6d13c31930b1356/FLAG83a6ce435 [2021-10-24 11:01:37,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/bin/utaipan-9zjyvhn0QE/data/710f4d5a4/da81598d97b04378a6d13c31930b1356 [2021-10-24 11:01:37,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 11:01:37,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 11:01:37,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 11:01:37,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 11:01:37,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 11:01:37,968 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:37" (1/1) ... [2021-10-24 11:01:37,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5801569b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:37, skipping insertion in model container [2021-10-24 11:01:37,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:01:37" (1/1) ... [2021-10-24 11:01:37,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 11:01:38,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 11:01:38,348 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_40bc6491-fa68-4940-bf90-f8a53c031077/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c[37478,37491] [2021-10-24 11:01:38,354 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:01:38,363 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 11:01:38,427 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_40bc6491-fa68-4940-bf90-f8a53c031077/sv-benchmarks/c/bitvector/s3_clnt_3.BV.c.cil-1a.c[37478,37491] [2021-10-24 11:01:38,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 11:01:38,446 INFO L208 MainTranslator]: Completed translation [2021-10-24 11:01:38,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:38 WrapperNode [2021-10-24 11:01:38,447 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 11:01:38,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 11:01:38,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 11:01:38,449 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 11:01:38,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:38" (1/1) ... [2021-10-24 11:01:38,488 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:38" (1/1) ... [2021-10-24 11:01:38,536 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 11:01:38,537 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 11:01:38,537 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 11:01:38,537 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 11:01:38,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:38" (1/1) ... [2021-10-24 11:01:38,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:38" (1/1) ... [2021-10-24 11:01:38,552 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:38" (1/1) ... [2021-10-24 11:01:38,553 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:38" (1/1) ... [2021-10-24 11:01:38,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:38" (1/1) ... [2021-10-24 11:01:38,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:38" (1/1) ... [2021-10-24 11:01:38,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:38" (1/1) ... [2021-10-24 11:01:38,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 11:01:38,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 11:01:38,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 11:01:38,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 11:01:38,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:38" (1/1) ... [2021-10-24 11:01:38,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 11:01:38,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 11:01:38,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 11:01:38,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 11:01:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-24 11:01:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 11:01:38,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 11:01:38,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 11:01:38,827 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-24 11:01:39,440 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2021-10-24 11:01:39,440 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2021-10-24 11:01:39,990 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 11:01:39,990 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-24 11:01:39,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:39 BoogieIcfgContainer [2021-10-24 11:01:39,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 11:01:39,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 11:01:39,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 11:01:40,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 11:01:40,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:01:37" (1/3) ... [2021-10-24 11:01:40,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b866baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:01:40, skipping insertion in model container [2021-10-24 11:01:40,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:01:38" (2/3) ... [2021-10-24 11:01:40,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b866baf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:01:40, skipping insertion in model container [2021-10-24 11:01:40,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:39" (3/3) ... [2021-10-24 11:01:40,004 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt_3.BV.c.cil-1a.c [2021-10-24 11:01:40,010 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 11:01:40,011 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-24 11:01:40,067 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 11:01:40,075 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 11:01:40,075 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-24 11:01:40,096 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 83 states have (on average 1.7710843373493976) internal successors, (147), 85 states have internal predecessors, (147), 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 11:01:40,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-24 11:01:40,103 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:01:40,104 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:01:40,104 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-10-24 11:01:40,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:01:40,111 INFO L82 PathProgramCache]: Analyzing trace with hash 370770624, now seen corresponding path program 1 times [2021-10-24 11:01:40,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:01:40,123 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348453298] [2021-10-24 11:01:40,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:01:40,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:01:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:01:40,347 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 11:01:40,348 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:01:40,348 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348453298] [2021-10-24 11:01:40,349 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348453298] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:01:40,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:01:40,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 11:01:40,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156575267] [2021-10-24 11:01:40,359 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:01:40,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:01:40,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:01:40,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:01:40,386 INFO L87 Difference]: Start difference. First operand has 86 states, 83 states have (on average 1.7710843373493976) internal successors, (147), 85 states have internal predecessors, (147), 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 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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 11:01:40,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:01:40,594 INFO L93 Difference]: Finished difference Result 173 states and 297 transitions. [2021-10-24 11:01:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:01:40,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-10-24 11:01:40,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:01:40,615 INFO L225 Difference]: With dead ends: 173 [2021-10-24 11:01:40,615 INFO L226 Difference]: Without dead ends: 85 [2021-10-24 11:01:40,621 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:01:40,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2021-10-24 11:01:40,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2021-10-24 11:01:40,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 83 states have (on average 1.4698795180722892) internal successors, (122), 84 states have internal predecessors, (122), 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 11:01:40,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 122 transitions. [2021-10-24 11:01:40,669 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 122 transitions. Word has length 11 [2021-10-24 11:01:40,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:01:40,669 INFO L470 AbstractCegarLoop]: Abstraction has 85 states and 122 transitions. [2021-10-24 11:01:40,669 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 2 states have internal predecessors, (11), 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 11:01:40,670 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 122 transitions. [2021-10-24 11:01:40,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-24 11:01:40,671 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:01:40,671 INFO L512 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 11:01:40,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-24 11:01:40,672 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-10-24 11:01:40,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:01:40,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1649998738, now seen corresponding path program 1 times [2021-10-24 11:01:40,673 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:01:40,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650872767] [2021-10-24 11:01:40,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:01:40,674 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:01:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:01:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-24 11:01:40,759 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:01:40,760 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650872767] [2021-10-24 11:01:40,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650872767] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:01:40,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:01:40,761 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 11:01:40,762 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530795215] [2021-10-24 11:01:40,763 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:01:40,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:01:40,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:01:40,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:01:40,766 INFO L87 Difference]: Start difference. First operand 85 states and 122 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 11:01:41,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:01:41,029 INFO L93 Difference]: Finished difference Result 214 states and 324 transitions. [2021-10-24 11:01:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:01:41,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 20 [2021-10-24 11:01:41,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:01:41,037 INFO L225 Difference]: With dead ends: 214 [2021-10-24 11:01:41,037 INFO L226 Difference]: Without dead ends: 132 [2021-10-24 11:01:41,040 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:01:41,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2021-10-24 11:01:41,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 122. [2021-10-24 11:01:41,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 121 states have (on average 1.3801652892561984) internal successors, (167), 121 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 11:01:41,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 167 transitions. [2021-10-24 11:01:41,076 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 167 transitions. Word has length 20 [2021-10-24 11:01:41,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:01:41,077 INFO L470 AbstractCegarLoop]: Abstraction has 122 states and 167 transitions. [2021-10-24 11:01:41,079 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 11:01:41,079 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 167 transitions. [2021-10-24 11:01:41,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-10-24 11:01:41,080 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 11:01:41,081 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] [2021-10-24 11:01:41,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-24 11:01:41,085 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-10-24 11:01:41,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 11:01:41,087 INFO L82 PathProgramCache]: Analyzing trace with hash 389646970, now seen corresponding path program 1 times [2021-10-24 11:01:41,087 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-24 11:01:41,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937759601] [2021-10-24 11:01:41,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 11:01:41,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-24 11:01:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 11:01:41,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-24 11:01:41,223 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-24 11:01:41,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937759601] [2021-10-24 11:01:41,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937759601] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-24 11:01:41,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-24 11:01:41,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-24 11:01:41,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614090274] [2021-10-24 11:01:41,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-24 11:01:41,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-24 11:01:41,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-24 11:01:41,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:01:41,233 INFO L87 Difference]: Start difference. First operand 122 states and 167 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 11:01:41,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 11:01:41,444 INFO L93 Difference]: Finished difference Result 324 states and 458 transitions. [2021-10-24 11:01:41,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-24 11:01:41,445 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 21 [2021-10-24 11:01:41,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 11:01:41,446 INFO L225 Difference]: With dead ends: 324 [2021-10-24 11:01:41,446 INFO L226 Difference]: Without dead ends: 0 [2021-10-24 11:01:41,451 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-24 11:01:41,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-24 11:01:41,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-24 11:01:41,452 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) [2021-10-24 11:01:41,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-24 11:01:41,453 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2021-10-24 11:01:41,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 11:01:41,453 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-24 11:01:41,454 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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 11:01:41,454 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-24 11:01:41,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-24 11:01:41,457 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:01:41,458 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-24 11:01:41,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-24 11:01:41,461 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-24 11:01:41,465 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,473 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,475 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,478 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,482 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,488 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,490 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-24 11:01:41,537 INFO L853 garLoopResultBuilder]: At program point L135(lines 131 564) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-24 11:01:41,538 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 240) no Hoare annotation was computed. [2021-10-24 11:01:41,539 INFO L857 garLoopResultBuilder]: For program point L170(lines 170 551) no Hoare annotation was computed. [2021-10-24 11:01:41,539 INFO L857 garLoopResultBuilder]: For program point L137(lines 137 562) no Hoare annotation was computed. [2021-10-24 11:01:41,539 INFO L860 garLoopResultBuilder]: At program point L104(lines 104 573) the Hoare annotation is: true [2021-10-24 11:01:41,540 INFO L857 garLoopResultBuilder]: For program point L435-2(lines 205 537) no Hoare annotation was computed. [2021-10-24 11:01:41,541 INFO L853 garLoopResultBuilder]: At program point L171(lines 167 552) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-24 11:01:41,541 INFO L857 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-10-24 11:01:41,541 INFO L857 garLoopResultBuilder]: For program point L173(lines 173 550) no Hoare annotation was computed. [2021-10-24 11:01:41,541 INFO L857 garLoopResultBuilder]: For program point L140(lines 140 561) no Hoare annotation was computed. [2021-10-24 11:01:41,542 INFO L857 garLoopResultBuilder]: For program point L107(lines 107 572) no Hoare annotation was computed. [2021-10-24 11:01:41,544 INFO L853 garLoopResultBuilder]: At program point L141(lines 137 562) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-24 11:01:41,544 INFO L860 garLoopResultBuilder]: At program point L538(lines 101 604) the Hoare annotation is: true [2021-10-24 11:01:41,545 INFO L860 garLoopResultBuilder]: At program point L605(lines 100 606) the Hoare annotation is: true [2021-10-24 11:01:41,545 INFO L857 garLoopResultBuilder]: For program point L176(lines 176 549) no Hoare annotation was computed. [2021-10-24 11:01:41,546 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 560) no Hoare annotation was computed. [2021-10-24 11:01:41,546 INFO L857 garLoopResultBuilder]: For program point L110(lines 110 571) no Hoare annotation was computed. [2021-10-24 11:01:41,546 INFO L857 garLoopResultBuilder]: For program point L276(line 276) no Hoare annotation was computed. [2021-10-24 11:01:41,546 INFO L857 garLoopResultBuilder]: For program point L276-1(line 276) no Hoare annotation was computed. [2021-10-24 11:01:41,547 INFO L860 garLoopResultBuilder]: At program point L210(lines 107 572) the Hoare annotation is: true [2021-10-24 11:01:41,547 INFO L853 garLoopResultBuilder]: At program point L177(lines 173 550) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-24 11:01:41,549 INFO L857 garLoopResultBuilder]: For program point L574(lines 574 602) no Hoare annotation was computed. [2021-10-24 11:01:41,549 INFO L857 garLoopResultBuilder]: For program point L575(lines 575 599) no Hoare annotation was computed. [2021-10-24 11:01:41,549 INFO L857 garLoopResultBuilder]: For program point L344(lines 344 349) no Hoare annotation was computed. [2021-10-24 11:01:41,550 INFO L857 garLoopResultBuilder]: For program point L311-1(lines 311 325) no Hoare annotation was computed. [2021-10-24 11:01:41,550 INFO L857 garLoopResultBuilder]: For program point L179(lines 179 548) no Hoare annotation was computed. [2021-10-24 11:01:41,550 INFO L857 garLoopResultBuilder]: For program point L146(lines 146 559) no Hoare annotation was computed. [2021-10-24 11:01:41,550 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 570) no Hoare annotation was computed. [2021-10-24 11:01:41,551 INFO L857 garLoopResultBuilder]: For program point L576(lines 576 585) no Hoare annotation was computed. [2021-10-24 11:01:41,551 INFO L857 garLoopResultBuilder]: For program point L576-2(lines 575 597) no Hoare annotation was computed. [2021-10-24 11:01:41,551 INFO L853 garLoopResultBuilder]: At program point L147(lines 143 560) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-24 11:01:41,552 INFO L857 garLoopResultBuilder]: For program point L578(lines 578 582) no Hoare annotation was computed. [2021-10-24 11:01:41,552 INFO L857 garLoopResultBuilder]: For program point L446(lines 446 451) no Hoare annotation was computed. [2021-10-24 11:01:41,552 INFO L857 garLoopResultBuilder]: For program point L182(lines 182 547) no Hoare annotation was computed. [2021-10-24 11:01:41,553 INFO L857 garLoopResultBuilder]: For program point L149(lines 149 558) no Hoare annotation was computed. [2021-10-24 11:01:41,553 INFO L857 garLoopResultBuilder]: For program point L215-2(lines 205 537) no Hoare annotation was computed. [2021-10-24 11:01:41,553 INFO L857 garLoopResultBuilder]: For program point L116(lines 116 569) no Hoare annotation was computed. [2021-10-24 11:01:41,553 INFO L857 garLoopResultBuilder]: For program point L480(lines 480 484) no Hoare annotation was computed. [2021-10-24 11:01:41,554 INFO L857 garLoopResultBuilder]: For program point L315-2(lines 313 325) no Hoare annotation was computed. [2021-10-24 11:01:41,554 INFO L853 garLoopResultBuilder]: At program point L183(lines 179 548) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-24 11:01:41,554 INFO L857 garLoopResultBuilder]: For program point L415(lines 415 419) no Hoare annotation was computed. [2021-10-24 11:01:41,554 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-24 11:01:41,555 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 256) no Hoare annotation was computed. [2021-10-24 11:01:41,556 INFO L857 garLoopResultBuilder]: For program point L185(lines 185 546) no Hoare annotation was computed. [2021-10-24 11:01:41,556 INFO L857 garLoopResultBuilder]: For program point L152(lines 152 557) no Hoare annotation was computed. [2021-10-24 11:01:41,556 INFO L857 garLoopResultBuilder]: For program point L119(lines 119 568) no Hoare annotation was computed. [2021-10-24 11:01:41,556 INFO L853 garLoopResultBuilder]: At program point L153(lines 149 558) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-24 11:01:41,557 INFO L857 garLoopResultBuilder]: For program point L188(lines 188 545) no Hoare annotation was computed. [2021-10-24 11:01:41,557 INFO L857 garLoopResultBuilder]: For program point L155(lines 155 556) no Hoare annotation was computed. [2021-10-24 11:01:41,557 INFO L857 garLoopResultBuilder]: For program point L122(lines 122 567) no Hoare annotation was computed. [2021-10-24 11:01:41,557 INFO L857 garLoopResultBuilder]: For program point L387(lines 387 391) no Hoare annotation was computed. [2021-10-24 11:01:41,557 INFO L853 garLoopResultBuilder]: At program point L354(lines 354 358) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-24 11:01:41,558 INFO L853 garLoopResultBuilder]: At program point L189(lines 185 546) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-24 11:01:41,558 INFO L853 garLoopResultBuilder]: At program point L123(lines 119 568) the Hoare annotation is: (<= ULTIMATE.start_ssl3_connect_~s__state~0 4384) [2021-10-24 11:01:41,558 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-24 11:01:41,558 INFO L860 garLoopResultBuilder]: At program point L620(lines 68 622) the Hoare annotation is: true [2021-10-24 11:01:41,559 INFO L857 garLoopResultBuilder]: For program point L290-2(lines 205 537) no Hoare annotation was computed. [2021-10-24 11:01:41,559 INFO L857 garLoopResultBuilder]: For program point L191(lines 191 544) no Hoare annotation was computed. [2021-10-24 11:01:41,559 INFO L857 garLoopResultBuilder]: For program point L158(lines 158 555) no Hoare annotation was computed. [2021-10-24 11:01:41,559 INFO L857 garLoopResultBuilder]: For program point L125(lines 125 566) no Hoare annotation was computed. [2021-10-24 11:01:41,559 INFO L857 garLoopResultBuilder]: For program point L456(lines 456 460) no Hoare annotation was computed. [2021-10-24 11:01:41,560 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 276) no Hoare annotation was computed. [2021-10-24 11:01:41,560 INFO L857 garLoopResultBuilder]: For program point L359(lines 359 363) no Hoare annotation was computed. [2021-10-24 11:01:41,560 INFO L857 garLoopResultBuilder]: For program point L227(lines 227 244) no Hoare annotation was computed. [2021-10-24 11:01:41,562 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 543) no Hoare annotation was computed. [2021-10-24 11:01:41,567 INFO L857 garLoopResultBuilder]: For program point L161(lines 161 554) no Hoare annotation was computed. [2021-10-24 11:01:41,567 INFO L857 garLoopResultBuilder]: For program point L227-2(lines 205 537) no Hoare annotation was computed. [2021-10-24 11:01:41,568 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 276) no Hoare annotation was computed. [2021-10-24 11:01:41,568 INFO L857 garLoopResultBuilder]: For program point L128(lines 128 565) no Hoare annotation was computed. [2021-10-24 11:01:41,568 INFO L853 garLoopResultBuilder]: At program point L195(lines 191 544) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-24 11:01:41,568 INFO L853 garLoopResultBuilder]: At program point L129(lines 125 566) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-24 11:01:41,569 INFO L857 garLoopResultBuilder]: For program point L493-1(lines 493 505) no Hoare annotation was computed. [2021-10-24 11:01:41,569 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 431) no Hoare annotation was computed. [2021-10-24 11:01:41,569 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 234) no Hoare annotation was computed. [2021-10-24 11:01:41,569 INFO L860 garLoopResultBuilder]: At program point L197(lines 197 542) the Hoare annotation is: true [2021-10-24 11:01:41,573 INFO L857 garLoopResultBuilder]: For program point L164(lines 164 553) no Hoare annotation was computed. [2021-10-24 11:01:41,573 INFO L857 garLoopResultBuilder]: For program point L131(lines 131 564) no Hoare annotation was computed. [2021-10-24 11:01:41,573 INFO L853 garLoopResultBuilder]: At program point L198(lines 197 542) the Hoare annotation is: (<= ULTIMATE.start_ssl3_connect_~s__state~0 4384) [2021-10-24 11:01:41,574 INFO L853 garLoopResultBuilder]: At program point L165(lines 155 556) the Hoare annotation is: (<= 4384 ULTIMATE.start_ssl3_connect_~s__state~0) [2021-10-24 11:01:41,574 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 501) no Hoare annotation was computed. [2021-10-24 11:01:41,574 INFO L857 garLoopResultBuilder]: For program point L265-2(lines 205 537) no Hoare annotation was computed. [2021-10-24 11:01:41,574 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 402) no Hoare annotation was computed. [2021-10-24 11:01:41,574 INFO L857 garLoopResultBuilder]: For program point L332-2(lines 205 537) no Hoare annotation was computed. [2021-10-24 11:01:41,575 INFO L857 garLoopResultBuilder]: For program point L167(lines 167 552) no Hoare annotation was computed. [2021-10-24 11:01:41,575 INFO L857 garLoopResultBuilder]: For program point L134(lines 134 563) no Hoare annotation was computed. [2021-10-24 11:01:41,575 INFO L857 garLoopResultBuilder]: For program point L101-1(lines 68 622) no Hoare annotation was computed. [2021-10-24 11:01:41,580 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 11:01:41,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:01:41 BoogieIcfgContainer [2021-10-24 11:01:41,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 11:01:41,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 11:01:41,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 11:01:41,602 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 11:01:41,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:01:39" (3/4) ... [2021-10-24 11:01:41,607 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-24 11:01:41,642 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2021-10-24 11:01:41,645 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-24 11:01:41,647 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-24 11:01:41,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-24 11:01:41,789 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 11:01:41,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 11:01:41,791 INFO L168 Benchmark]: Toolchain (without parser) took 3842.34 ms. Allocated memory was 132.1 MB in the beginning and 172.0 MB in the end (delta: 39.8 MB). Free memory was 95.7 MB in the beginning and 91.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 43.5 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:41,792 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 92.3 MB. Free memory is still 48.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 11:01:41,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.27 ms. Allocated memory is still 132.1 MB. Free memory was 95.4 MB in the beginning and 101.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:41,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.62 ms. Allocated memory is still 132.1 MB. Free memory was 101.8 MB in the beginning and 99.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:41,793 INFO L168 Benchmark]: Boogie Preprocessor took 60.23 ms. Allocated memory is still 132.1 MB. Free memory was 99.3 MB in the beginning and 97.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:41,794 INFO L168 Benchmark]: RCFGBuilder took 1396.66 ms. Allocated memory is still 132.1 MB. Free memory was 97.1 MB in the beginning and 82.3 MB in the end (delta: 14.8 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:41,794 INFO L168 Benchmark]: TraceAbstraction took 1603.98 ms. Allocated memory was 132.1 MB in the beginning and 172.0 MB in the end (delta: 39.8 MB). Free memory was 81.7 MB in the beginning and 99.8 MB in the end (delta: -18.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:41,794 INFO L168 Benchmark]: Witness Printer took 188.33 ms. Allocated memory is still 172.0 MB. Free memory was 99.8 MB in the beginning and 91.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-24 11:01:41,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 92.3 MB. Free memory is still 48.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 484.27 ms. Allocated memory is still 132.1 MB. Free memory was 95.4 MB in the beginning and 101.8 MB in the end (delta: -6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.62 ms. Allocated memory is still 132.1 MB. Free memory was 101.8 MB in the beginning and 99.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.23 ms. Allocated memory is still 132.1 MB. Free memory was 99.3 MB in the beginning and 97.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1396.66 ms. Allocated memory is still 132.1 MB. Free memory was 97.1 MB in the beginning and 82.3 MB in the end (delta: 14.8 MB). Peak memory consumption was 36.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1603.98 ms. Allocated memory was 132.1 MB in the beginning and 172.0 MB in the end (delta: 39.8 MB). Free memory was 81.7 MB in the beginning and 99.8 MB in the end (delta: -18.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * Witness Printer took 188.33 ms. Allocated memory is still 172.0 MB. Free memory was 99.8 MB in the beginning and 91.5 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 276]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 276]: 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, 86 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1514.5ms, OverallIterations: 3, TraceHistogramMax: 2, EmptinessCheckTime: 14.6ms, AutomataDifference: 759.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 78.1ms, InitialAbstractionConstructionTime: 15.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 351 SDtfs, 126 SDslu, 111 SDs, 0 SdLazy, 305 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 392.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred in iteration=2, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 67.7ms AutomataMinimizationTime, 3 MinimizatonAttempts, 10 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 20 LocationsWithAnnotation, 20 PreInvPairs, 49 NumberOfFragments, 48 HoareAnnotationTreeSize, 20 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 37.5ms HoareSimplificationTime, 20 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 23.4ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 19.5ms SsaConstructionTime, 123.1ms SatisfiabilityAnalysisTime, 206.1ms InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 49 ConstructedInterpolants, 0 QuantifiedInterpolants, 59 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 173]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: s__state <= 4384 - InvariantResult [Line: 131]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: s__state <= 4384 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 197]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 107]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 155]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 4384 <= s__state - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 4384 <= s__state RESULT: Ultimate proved your program to be correct! [2021-10-24 11:01:41,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40bc6491-fa68-4940-bf90-f8a53c031077/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...