./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.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_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw --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 782fa26e21ff291ab368fa17ef7588c2771311e0a71724d6a951ae707b760fb2 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-20 05:37:45,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-20 05:37:45,857 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-20 05:37:45,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-20 05:37:45,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-20 05:37:45,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-20 05:37:45,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-20 05:37:45,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-20 05:37:45,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-20 05:37:45,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-20 05:37:45,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-20 05:37:45,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-20 05:37:45,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-20 05:37:45,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-20 05:37:45,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-20 05:37:45,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-20 05:37:45,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-20 05:37:45,933 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-20 05:37:45,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-20 05:37:45,938 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-20 05:37:45,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-20 05:37:45,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-20 05:37:45,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-20 05:37:45,950 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-20 05:37:45,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-20 05:37:45,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-20 05:37:45,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-20 05:37:45,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-20 05:37:45,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-20 05:37:45,966 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-20 05:37:45,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-20 05:37:45,968 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-20 05:37:45,969 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-20 05:37:45,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-20 05:37:45,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-20 05:37:45,973 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-20 05:37:45,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-20 05:37:45,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-20 05:37:45,974 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-20 05:37:45,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-20 05:37:45,976 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-20 05:37:45,977 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/config/svcomp-Overflow-32bit-Taipan_Default.epf [2021-10-20 05:37:46,026 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-20 05:37:46,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-20 05:37:46,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-20 05:37:46,028 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-20 05:37:46,029 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-20 05:37:46,029 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-20 05:37:46,029 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-20 05:37:46,029 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-20 05:37:46,030 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-20 05:37:46,030 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-20 05:37:46,031 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-20 05:37:46,031 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-20 05:37:46,032 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-20 05:37:46,032 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-20 05:37:46,032 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-20 05:37:46,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-20 05:37:46,033 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-20 05:37:46,034 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-20 05:37:46,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-20 05:37:46,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-20 05:37:46,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-20 05:37:46,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-20 05:37:46,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-20 05:37:46,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-20 05:37:46,035 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-20 05:37:46,036 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-20 05:37:46,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-20 05:37:46,036 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-20 05:37:46,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-20 05:37:46,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-20 05:37:46,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-20 05:37:46,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:37:46,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-20 05:37:46,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-20 05:37:46,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-20 05:37:46,038 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-20 05:37:46,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-20 05:37:46,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-20 05:37:46,039 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-20 05:37:46,039 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-20 05:37:46,039 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_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 782fa26e21ff291ab368fa17ef7588c2771311e0a71724d6a951ae707b760fb2 [2021-10-20 05:37:46,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-20 05:37:46,345 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-20 05:37:46,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-20 05:37:46,349 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-20 05:37:46,350 INFO L275 PluginConnector]: CDTParser initialized [2021-10-20 05:37:46,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/../../sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2021-10-20 05:37:46,409 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/data/83d523f46/4abcea32fb91407da65881220ef63457/FLAGac14292f3 [2021-10-20 05:37:46,876 INFO L306 CDTParser]: Found 1 translation units. [2021-10-20 05:37:46,876 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c [2021-10-20 05:37:46,888 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/data/83d523f46/4abcea32fb91407da65881220ef63457/FLAGac14292f3 [2021-10-20 05:37:47,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/data/83d523f46/4abcea32fb91407da65881220ef63457 [2021-10-20 05:37:47,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-20 05:37:47,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-20 05:37:47,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-20 05:37:47,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-20 05:37:47,252 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-20 05:37:47,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:37:47" (1/1) ... [2021-10-20 05:37:47,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad395ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:47, skipping insertion in model container [2021-10-20 05:37:47,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 05:37:47" (1/1) ... [2021-10-20 05:37:47,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-20 05:37:47,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-20 05:37:47,534 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_48c3ad5b-f7ab-470a-8e93-f4695dee941d/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44355,44368] [2021-10-20 05:37:47,540 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:37:47,551 INFO L203 MainTranslator]: Completed pre-run [2021-10-20 05:37:47,617 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_48c3ad5b-f7ab-470a-8e93-f4695dee941d/sv-benchmarks/c/bitvector/s3_srvr_2a_alt.BV.c.cil.c[44355,44368] [2021-10-20 05:37:47,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-20 05:37:47,650 INFO L208 MainTranslator]: Completed translation [2021-10-20 05:37:47,651 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:47 WrapperNode [2021-10-20 05:37:47,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-20 05:37:47,668 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-20 05:37:47,669 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-20 05:37:47,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-20 05:37:47,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:47" (1/1) ... [2021-10-20 05:37:47,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:47" (1/1) ... [2021-10-20 05:37:47,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-20 05:37:47,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-20 05:37:47,726 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-20 05:37:47,726 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-20 05:37:47,734 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:47" (1/1) ... [2021-10-20 05:37:47,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:47" (1/1) ... [2021-10-20 05:37:47,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:47" (1/1) ... [2021-10-20 05:37:47,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:47" (1/1) ... [2021-10-20 05:37:47,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:47" (1/1) ... [2021-10-20 05:37:47,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:47" (1/1) ... [2021-10-20 05:37:47,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:47" (1/1) ... [2021-10-20 05:37:47,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-20 05:37:47,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-20 05:37:47,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-20 05:37:47,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-20 05:37:47,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:47" (1/1) ... [2021-10-20 05:37:47,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-20 05:37:47,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/z3 [2021-10-20 05:37:47,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-20 05:37:47,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-20 05:37:47,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-20 05:37:47,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-20 05:37:47,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-20 05:37:47,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-20 05:37:48,057 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-20 05:37:48,616 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-20 05:37:48,616 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-20 05:37:49,019 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-20 05:37:49,020 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-20 05:37:49,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:37:49 BoogieIcfgContainer [2021-10-20 05:37:49,023 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-20 05:37:49,025 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-20 05:37:49,025 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-20 05:37:49,028 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-20 05:37:49,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 05:37:47" (1/3) ... [2021-10-20 05:37:49,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2690193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:37:49, skipping insertion in model container [2021-10-20 05:37:49,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 05:37:47" (2/3) ... [2021-10-20 05:37:49,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2690193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 05:37:49, skipping insertion in model container [2021-10-20 05:37:49,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:37:49" (3/3) ... [2021-10-20 05:37:49,032 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a_alt.BV.c.cil.c [2021-10-20 05:37:49,043 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-20 05:37:49,043 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2021-10-20 05:37:49,098 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-20 05:37:49,104 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 [2021-10-20 05:37:49,104 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-20 05:37:49,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 106 states have (on average 1.7924528301886793) internal successors, (190), 111 states have internal predecessors, (190), 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) [2021-10-20 05:37:49,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-20 05:37:49,127 INFO L504 BasicCegarLoop]: Found error trace [2021-10-20 05:37:49,128 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-20 05:37:49,128 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2021-10-20 05:37:49,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-20 05:37:49,134 INFO L82 PathProgramCache]: Analyzing trace with hash -1861683547, now seen corresponding path program 1 times [2021-10-20 05:37:49,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-20 05:37:49,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007755138] [2021-10-20 05:37:49,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-20 05:37:49,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-20 05:37:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-20 05:37:49,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-20 05:37:49,358 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-20 05:37:49,358 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007755138] [2021-10-20 05:37:49,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007755138] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-20 05:37:49,359 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-20 05:37:49,359 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-20 05:37:49,361 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872030696] [2021-10-20 05:37:49,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-20 05:37:49,375 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-20 05:37:49,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-20 05:37:49,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:37:49,398 INFO L87 Difference]: Start difference. First operand has 112 states, 106 states have (on average 1.7924528301886793) internal successors, (190), 111 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-10-20 05:37:49,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-20 05:37:49,442 INFO L93 Difference]: Finished difference Result 206 states and 355 transitions. [2021-10-20 05:37:49,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-20 05:37:49,444 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2021-10-20 05:37:49,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-20 05:37:49,451 INFO L225 Difference]: With dead ends: 206 [2021-10-20 05:37:49,452 INFO L226 Difference]: Without dead ends: 0 [2021-10-20 05:37:49,456 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-20 05:37:49,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-20 05:37:49,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-20 05:37:49,480 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) [2021-10-20 05:37:49,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-20 05:37:49,481 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2021-10-20 05:37:49,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-20 05:37:49,482 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-20 05:37:49,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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) [2021-10-20 05:37:49,482 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-20 05:37:49,482 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-20 05:37:49,485 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-20 05:37:49,485 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-20 05:37:49,485 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-20 05:37:49,486 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-20 05:37:49,486 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW [2021-10-20 05:37:49,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-20 05:37:49,488 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-20 05:37:49,492 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,495 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,497 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,498 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,499 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,501 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,503 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,511 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,513 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,515 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,518 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,523 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-20 05:37:49,557 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 269) no Hoare annotation was computed. [2021-10-20 05:37:49,557 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 654) no Hoare annotation was computed. [2021-10-20 05:37:49,558 INFO L857 garLoopResultBuilder]: For program point L498(lines 498 502) no Hoare annotation was computed. [2021-10-20 05:37:49,558 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 213 590) no Hoare annotation was computed. [2021-10-20 05:37:49,558 INFO L857 garLoopResultBuilder]: For program point L366-2(lines 365 382) no Hoare annotation was computed. [2021-10-20 05:37:49,558 INFO L857 garLoopResultBuilder]: For program point L267(line 267) no Hoare annotation was computed. [2021-10-20 05:37:49,559 INFO L857 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2021-10-20 05:37:49,560 INFO L857 garLoopResultBuilder]: For program point L631(lines 631 640) no Hoare annotation was computed. [2021-10-20 05:37:49,560 INFO L857 garLoopResultBuilder]: For program point L631-2(lines 630 652) no Hoare annotation was computed. [2021-10-20 05:37:49,561 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 470) no Hoare annotation was computed. [2021-10-20 05:37:49,561 INFO L857 garLoopResultBuilder]: For program point L334-1(lines 334 343) no Hoare annotation was computed. [2021-10-20 05:37:49,562 INFO L857 garLoopResultBuilder]: For program point L235(lines 235 240) no Hoare annotation was computed. [2021-10-20 05:37:49,563 INFO L857 garLoopResultBuilder]: For program point L202(lines 202 596) no Hoare annotation was computed. [2021-10-20 05:37:49,563 INFO L857 garLoopResultBuilder]: For program point L169(lines 169 607) no Hoare annotation was computed. [2021-10-20 05:37:49,563 INFO L857 garLoopResultBuilder]: For program point L136(lines 136 618) no Hoare annotation was computed. [2021-10-20 05:37:49,563 INFO L860 garLoopResultBuilder]: At program point L103-2(lines 103 659) the Hoare annotation is: true [2021-10-20 05:37:49,563 INFO L857 garLoopResultBuilder]: For program point L269(line 269) no Hoare annotation was computed. [2021-10-20 05:37:49,564 INFO L857 garLoopResultBuilder]: For program point L269-1(line 269) no Hoare annotation was computed. [2021-10-20 05:37:49,564 INFO L860 garLoopResultBuilder]: At program point L170(lines 169 607) the Hoare annotation is: true [2021-10-20 05:37:49,564 INFO L860 garLoopResultBuilder]: At program point L137(lines 130 620) the Hoare annotation is: true [2021-10-20 05:37:49,564 INFO L857 garLoopResultBuilder]: For program point L633(lines 633 637) no Hoare annotation was computed. [2021-10-20 05:37:49,564 INFO L860 garLoopResultBuilder]: At program point L205(lines 205 595) the Hoare annotation is: true [2021-10-20 05:37:49,565 INFO L857 garLoopResultBuilder]: For program point L172(lines 172 606) no Hoare annotation was computed. [2021-10-20 05:37:49,565 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 617) no Hoare annotation was computed. [2021-10-20 05:37:49,565 INFO L860 garLoopResultBuilder]: At program point L106(lines 106 628) the Hoare annotation is: true [2021-10-20 05:37:49,565 INFO L857 garLoopResultBuilder]: For program point L338(lines 338 342) no Hoare annotation was computed. [2021-10-20 05:37:49,565 INFO L860 garLoopResultBuilder]: At program point L206(lines 202 596) the Hoare annotation is: true [2021-10-20 05:37:49,566 INFO L857 garLoopResultBuilder]: For program point L471(lines 471 482) no Hoare annotation was computed. [2021-10-20 05:37:49,566 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 442) no Hoare annotation was computed. [2021-10-20 05:37:49,566 INFO L860 garLoopResultBuilder]: At program point L372(lines 355 390) the Hoare annotation is: true [2021-10-20 05:37:49,566 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 267) no Hoare annotation was computed. [2021-10-20 05:37:49,566 INFO L860 garLoopResultBuilder]: At program point L406(lines 397 428) the Hoare annotation is: true [2021-10-20 05:37:49,566 INFO L857 garLoopResultBuilder]: For program point L241(lines 241 246) no Hoare annotation was computed. [2021-10-20 05:37:49,567 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 605) no Hoare annotation was computed. [2021-10-20 05:37:49,567 INFO L857 garLoopResultBuilder]: For program point L142(lines 142 616) no Hoare annotation was computed. [2021-10-20 05:37:49,567 INFO L857 garLoopResultBuilder]: For program point L109(lines 109 627) no Hoare annotation was computed. [2021-10-20 05:37:49,567 INFO L857 garLoopResultBuilder]: For program point L374(lines 374 378) no Hoare annotation was computed. [2021-10-20 05:37:49,567 INFO L860 garLoopResultBuilder]: At program point L176(lines 172 606) the Hoare annotation is: true [2021-10-20 05:37:49,568 INFO L860 garLoopResultBuilder]: At program point L143(lines 139 617) the Hoare annotation is: true [2021-10-20 05:37:49,568 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 414) no Hoare annotation was computed. [2021-10-20 05:37:49,568 INFO L857 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-10-20 05:37:49,568 INFO L857 garLoopResultBuilder]: For program point L277(lines 277 281) no Hoare annotation was computed. [2021-10-20 05:37:49,568 INFO L857 garLoopResultBuilder]: For program point L178(lines 178 604) no Hoare annotation was computed. [2021-10-20 05:37:49,568 INFO L857 garLoopResultBuilder]: For program point L145(lines 145 615) no Hoare annotation was computed. [2021-10-20 05:37:49,569 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 626) no Hoare annotation was computed. [2021-10-20 05:37:49,569 INFO L857 garLoopResultBuilder]: For program point L509(lines 509 513) no Hoare annotation was computed. [2021-10-20 05:37:49,569 INFO L860 garLoopResultBuilder]: At program point L675(lines 68 677) the Hoare annotation is: true [2021-10-20 05:37:49,569 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 548) no Hoare annotation was computed. [2021-10-20 05:37:49,569 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 269) no Hoare annotation was computed. [2021-10-20 05:37:49,570 INFO L857 garLoopResultBuilder]: For program point L181(lines 181 603) no Hoare annotation was computed. [2021-10-20 05:37:49,570 INFO L857 garLoopResultBuilder]: For program point L148(lines 148 614) no Hoare annotation was computed. [2021-10-20 05:37:49,570 INFO L857 garLoopResultBuilder]: For program point L115(lines 115 625) no Hoare annotation was computed. [2021-10-20 05:37:49,570 INFO L857 garLoopResultBuilder]: For program point L314-2(lines 213 590) no Hoare annotation was computed. [2021-10-20 05:37:49,570 INFO L860 garLoopResultBuilder]: At program point L182(lines 178 604) the Hoare annotation is: true [2021-10-20 05:37:49,570 INFO L860 garLoopResultBuilder]: At program point L149(lines 145 615) the Hoare annotation is: true [2021-10-20 05:37:49,571 INFO L860 garLoopResultBuilder]: At program point L216(lines 109 627) the Hoare annotation is: true [2021-10-20 05:37:49,571 INFO L857 garLoopResultBuilder]: For program point L448-1(lines 448 460) no Hoare annotation was computed. [2021-10-20 05:37:49,571 INFO L857 garLoopResultBuilder]: For program point L184(lines 184 602) no Hoare annotation was computed. [2021-10-20 05:37:49,571 INFO L857 garLoopResultBuilder]: For program point L151(lines 151 613) no Hoare annotation was computed. [2021-10-20 05:37:49,571 INFO L857 garLoopResultBuilder]: For program point L118(lines 118 624) no Hoare annotation was computed. [2021-10-20 05:37:49,572 INFO L860 garLoopResultBuilder]: At program point L416(lines 407 427) the Hoare annotation is: true [2021-10-20 05:37:49,572 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-20 05:37:49,575 INFO L857 garLoopResultBuilder]: For program point L350-2(lines 213 590) no Hoare annotation was computed. [2021-10-20 05:37:49,575 INFO L857 garLoopResultBuilder]: For program point L87-1(lines 68 677) no Hoare annotation was computed. [2021-10-20 05:37:49,576 INFO L857 garLoopResultBuilder]: For program point L451(lines 451 456) no Hoare annotation was computed. [2021-10-20 05:37:49,576 INFO L857 garLoopResultBuilder]: For program point L187(lines 187 601) no Hoare annotation was computed. [2021-10-20 05:37:49,577 INFO L857 garLoopResultBuilder]: For program point L154(lines 154 612) no Hoare annotation was computed. [2021-10-20 05:37:49,577 INFO L857 garLoopResultBuilder]: For program point L121(lines 121 623) no Hoare annotation was computed. [2021-10-20 05:37:49,577 INFO L857 garLoopResultBuilder]: For program point L419(lines 419 423) no Hoare annotation was computed. [2021-10-20 05:37:49,578 INFO L860 garLoopResultBuilder]: At program point L188(lines 184 602) the Hoare annotation is: true [2021-10-20 05:37:49,578 INFO L860 garLoopResultBuilder]: At program point L155(lines 151 613) the Hoare annotation is: true [2021-10-20 05:37:49,578 INFO L857 garLoopResultBuilder]: For program point L221-2(lines 213 590) no Hoare annotation was computed. [2021-10-20 05:37:49,578 INFO L860 garLoopResultBuilder]: At program point L553(lines 553 557) the Hoare annotation is: true [2021-10-20 05:37:49,578 INFO L857 garLoopResultBuilder]: For program point L487(lines 487 491) no Hoare annotation was computed. [2021-10-20 05:37:49,579 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-20 05:37:49,579 INFO L857 garLoopResultBuilder]: For program point L190(lines 190 600) no Hoare annotation was computed. [2021-10-20 05:37:49,579 INFO L857 garLoopResultBuilder]: For program point L157(lines 157 611) no Hoare annotation was computed. [2021-10-20 05:37:49,579 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 622) no Hoare annotation was computed. [2021-10-20 05:37:49,579 INFO L860 garLoopResultBuilder]: At program point L125(lines 121 623) the Hoare annotation is: true [2021-10-20 05:37:49,580 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 271) no Hoare annotation was computed. [2021-10-20 05:37:49,580 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 389) no Hoare annotation was computed. [2021-10-20 05:37:49,580 INFO L857 garLoopResultBuilder]: For program point L259(lines 259 264) no Hoare annotation was computed. [2021-10-20 05:37:49,601 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 599) no Hoare annotation was computed. [2021-10-20 05:37:49,601 INFO L857 garLoopResultBuilder]: For program point L160(lines 160 610) no Hoare annotation was computed. [2021-10-20 05:37:49,602 INFO L860 garLoopResultBuilder]: At program point L127(lines 127 621) the Hoare annotation is: true [2021-10-20 05:37:49,602 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 266) no Hoare annotation was computed. [2021-10-20 05:37:49,603 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 529) no Hoare annotation was computed. [2021-10-20 05:37:49,603 INFO L860 garLoopResultBuilder]: At program point L194(lines 190 600) the Hoare annotation is: true [2021-10-20 05:37:49,603 INFO L860 garLoopResultBuilder]: At program point L161(lines 157 611) the Hoare annotation is: true [2021-10-20 05:37:49,603 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 267) no Hoare annotation was computed. [2021-10-20 05:37:49,604 INFO L860 garLoopResultBuilder]: At program point L591(lines 103 659) the Hoare annotation is: true [2021-10-20 05:37:49,604 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 562) no Hoare annotation was computed. [2021-10-20 05:37:49,604 INFO L857 garLoopResultBuilder]: For program point L294-2(lines 213 590) no Hoare annotation was computed. [2021-10-20 05:37:49,604 INFO L857 garLoopResultBuilder]: For program point L361(lines 361 388) no Hoare annotation was computed. [2021-10-20 05:37:49,605 INFO L857 garLoopResultBuilder]: For program point L361-1(lines 361 388) no Hoare annotation was computed. [2021-10-20 05:37:49,605 INFO L857 garLoopResultBuilder]: For program point L196(lines 196 598) no Hoare annotation was computed. [2021-10-20 05:37:49,605 INFO L857 garLoopResultBuilder]: For program point L163(lines 163 609) no Hoare annotation was computed. [2021-10-20 05:37:49,605 INFO L857 garLoopResultBuilder]: For program point L130(lines 130 620) no Hoare annotation was computed. [2021-10-20 05:37:49,605 INFO L857 garLoopResultBuilder]: For program point L362(lines 362 385) no Hoare annotation was computed. [2021-10-20 05:37:49,606 INFO L860 garLoopResultBuilder]: At program point L660(lines 102 661) the Hoare annotation is: true [2021-10-20 05:37:49,606 INFO L857 garLoopResultBuilder]: For program point L397(lines 397 428) no Hoare annotation was computed. [2021-10-20 05:37:49,606 INFO L857 garLoopResultBuilder]: For program point L199(lines 199 597) no Hoare annotation was computed. [2021-10-20 05:37:49,606 INFO L857 garLoopResultBuilder]: For program point L166(lines 166 608) no Hoare annotation was computed. [2021-10-20 05:37:49,607 INFO L857 garLoopResultBuilder]: For program point L133(lines 133 619) no Hoare annotation was computed. [2021-10-20 05:37:49,607 INFO L857 garLoopResultBuilder]: For program point L629(lines 629 657) no Hoare annotation was computed. [2021-10-20 05:37:49,607 INFO L857 garLoopResultBuilder]: For program point L398(lines 398 404) no Hoare annotation was computed. [2021-10-20 05:37:49,607 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 384) no Hoare annotation was computed. [2021-10-20 05:37:49,607 INFO L857 garLoopResultBuilder]: For program point L266(line 266) no Hoare annotation was computed. [2021-10-20 05:37:49,608 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 250) no Hoare annotation was computed. [2021-10-20 05:37:49,608 INFO L860 garLoopResultBuilder]: At program point L200(lines 196 598) the Hoare annotation is: true [2021-10-20 05:37:49,608 INFO L860 garLoopResultBuilder]: At program point L167(lines 163 609) the Hoare annotation is: true [2021-10-20 05:37:49,609 INFO L857 garLoopResultBuilder]: For program point L233-2(lines 213 590) no Hoare annotation was computed. [2021-10-20 05:37:49,613 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-20 05:37:49,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 05:37:49 BoogieIcfgContainer [2021-10-20 05:37:49,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-20 05:37:49,623 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-20 05:37:49,623 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-20 05:37:49,624 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-20 05:37:49,624 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 05:37:49" (3/4) ... [2021-10-20 05:37:49,627 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-20 05:37:49,646 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2021-10-20 05:37:49,648 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-20 05:37:49,649 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-20 05:37:49,650 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-20 05:37:49,765 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/witness.graphml [2021-10-20 05:37:49,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-20 05:37:49,767 INFO L168 Benchmark]: Toolchain (without parser) took 2520.34 ms. Allocated memory was 104.9 MB in the beginning and 140.5 MB in the end (delta: 35.7 MB). Free memory was 65.8 MB in the beginning and 102.3 MB in the end (delta: -36.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:37:49,768 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 104.9 MB. Free memory is still 82.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-20 05:37:49,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.11 ms. Allocated memory is still 104.9 MB. Free memory was 65.6 MB in the beginning and 76.6 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:49,769 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.44 ms. Allocated memory is still 104.9 MB. Free memory was 76.6 MB in the beginning and 73.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:49,769 INFO L168 Benchmark]: Boogie Preprocessor took 36.54 ms. Allocated memory is still 104.9 MB. Free memory was 73.8 MB in the beginning and 71.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:49,770 INFO L168 Benchmark]: RCFGBuilder took 1260.27 ms. Allocated memory is still 104.9 MB. Free memory was 71.7 MB in the beginning and 65.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:49,770 INFO L168 Benchmark]: TraceAbstraction took 597.94 ms. Allocated memory was 104.9 MB in the beginning and 140.5 MB in the end (delta: 35.7 MB). Free memory was 65.2 MB in the beginning and 112.4 MB in the end (delta: -47.2 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:49,771 INFO L168 Benchmark]: Witness Printer took 142.59 ms. Allocated memory is still 140.5 MB. Free memory was 112.4 MB in the beginning and 103.1 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-20 05:37:49,773 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 104.9 MB. Free memory is still 82.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 403.11 ms. Allocated memory is still 104.9 MB. Free memory was 65.6 MB in the beginning and 76.6 MB in the end (delta: -11.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.44 ms. Allocated memory is still 104.9 MB. Free memory was 76.6 MB in the beginning and 73.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.54 ms. Allocated memory is still 104.9 MB. Free memory was 73.8 MB in the beginning and 71.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1260.27 ms. Allocated memory is still 104.9 MB. Free memory was 71.7 MB in the beginning and 65.7 MB in the end (delta: 6.0 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 597.94 ms. Allocated memory was 104.9 MB in the beginning and 140.5 MB in the end (delta: 35.7 MB). Free memory was 65.2 MB in the beginning and 112.4 MB in the end (delta: -47.2 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. * Witness Printer took 142.59 ms. Allocated memory is still 140.5 MB. Free memory was 112.4 MB in the beginning and 103.1 MB in the end (delta: 9.2 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: 266]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 267]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 267]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 269]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 269]: 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, 112 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 516.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 9.9ms, AutomataDifference: 80.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 68.3ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 165 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 9.2ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 52 NumberOfFragments, 26 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 31.8ms HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 25.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 6.8ms SsaConstructionTime, 38.4ms SatisfiabilityAnalysisTime, 108.6ms InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 121]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 127]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 145]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 190]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 355]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 202]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-10-20 05:37:49,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48c3ad5b-f7ab-470a-8e93-f4695dee941d/bin/utaipan-tZwUujhuQw/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...