./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba --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 b8cfead7c1f307a9ba2676fad86c005fa434c5b4bc168c34fe90a644ea9973b2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 02:48:36,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 02:48:36,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 02:48:36,879 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 02:48:36,882 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 02:48:36,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 02:48:36,887 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 02:48:36,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 02:48:36,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 02:48:36,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 02:48:36,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 02:48:36,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 02:48:36,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 02:48:36,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 02:48:36,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 02:48:36,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 02:48:36,915 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 02:48:36,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 02:48:36,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 02:48:36,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 02:48:36,925 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 02:48:36,926 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 02:48:36,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 02:48:36,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 02:48:36,933 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 02:48:36,938 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 02:48:36,938 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 02:48:36,939 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 02:48:36,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 02:48:36,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 02:48:36,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 02:48:36,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 02:48:36,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 02:48:36,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 02:48:36,951 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 02:48:36,952 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 02:48:36,953 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 02:48:36,953 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 02:48:36,954 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 02:48:36,955 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 02:48:36,956 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 02:48:36,957 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 02:48:36,992 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 02:48:36,992 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 02:48:36,998 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 02:48:37,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 02:48:37,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 02:48:37,015 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 02:48:37,015 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 02:48:37,015 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 02:48:37,015 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 02:48:37,016 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 02:48:37,016 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 02:48:37,016 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 02:48:37,016 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 02:48:37,017 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 02:48:37,017 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 02:48:37,017 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 02:48:37,017 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 02:48:37,018 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 02:48:37,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 02:48:37,019 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 02:48:37,019 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 02:48:37,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 02:48:37,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 02:48:37,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 02:48:37,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 02:48:37,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 02:48:37,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 02:48:37,020 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 02:48:37,021 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 02:48:37,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 02:48:37,021 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 02:48:37,021 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 02:48:37,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 02:48:37,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 02:48:37,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:48:37,024 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 02:48:37,025 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 02:48:37,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 02:48:37,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 02:48:37,025 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 02:48:37,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 02:48:37,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 02:48:37,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 02:48:37,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8cfead7c1f307a9ba2676fad86c005fa434c5b4bc168c34fe90a644ea9973b2 [2022-11-22 02:48:37,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 02:48:37,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 02:48:37,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 02:48:37,341 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 02:48:37,342 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 02:48:37,343 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2022-11-22 02:48:40,371 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 02:48:40,625 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 02:48:40,626 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c [2022-11-22 02:48:40,648 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/data/d2a48451b/6e40bf52ed1140ca9720ab72f7076256/FLAG1e347af74 [2022-11-22 02:48:40,664 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/data/d2a48451b/6e40bf52ed1140ca9720ab72f7076256 [2022-11-22 02:48:40,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 02:48:40,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 02:48:40,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 02:48:40,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 02:48:40,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 02:48:40,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:48:40" (1/1) ... [2022-11-22 02:48:40,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46352c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:40, skipping insertion in model container [2022-11-22 02:48:40,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:48:40" (1/1) ... [2022-11-22 02:48:40,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 02:48:40,718 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 02:48:40,929 WARN L237 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_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44872,44885] [2022-11-22 02:48:40,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:48:40,945 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 02:48:41,004 WARN L237 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_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/sv-benchmarks/c/bitvector/s3_srvr_2a.BV.c.cil.c[44872,44885] [2022-11-22 02:48:41,007 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 02:48:41,036 INFO L208 MainTranslator]: Completed translation [2022-11-22 02:48:41,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:41 WrapperNode [2022-11-22 02:48:41,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 02:48:41,038 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 02:48:41,038 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 02:48:41,038 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 02:48:41,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:41" (1/1) ... [2022-11-22 02:48:41,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:41" (1/1) ... [2022-11-22 02:48:41,099 INFO L138 Inliner]: procedures = 15, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 533 [2022-11-22 02:48:41,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 02:48:41,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 02:48:41,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 02:48:41,100 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 02:48:41,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:41" (1/1) ... [2022-11-22 02:48:41,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:41" (1/1) ... [2022-11-22 02:48:41,115 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:41" (1/1) ... [2022-11-22 02:48:41,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:41" (1/1) ... [2022-11-22 02:48:41,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:41" (1/1) ... [2022-11-22 02:48:41,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:41" (1/1) ... [2022-11-22 02:48:41,133 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:41" (1/1) ... [2022-11-22 02:48:41,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:41" (1/1) ... [2022-11-22 02:48:41,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 02:48:41,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 02:48:41,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 02:48:41,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 02:48:41,149 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:41" (1/1) ... [2022-11-22 02:48:41,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 02:48:41,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/z3 [2022-11-22 02:48:41,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 02:48:41,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 02:48:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 02:48:41,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 02:48:41,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 02:48:41,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 02:48:41,350 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 02:48:41,353 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 02:48:41,382 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-22 02:48:42,071 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2022-11-22 02:48:42,071 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2022-11-22 02:48:42,071 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 02:48:42,320 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 02:48:42,321 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-22 02:48:42,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:48:42 BoogieIcfgContainer [2022-11-22 02:48:42,324 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 02:48:42,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 02:48:42,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 02:48:42,332 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 02:48:42,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:48:40" (1/3) ... [2022-11-22 02:48:42,333 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c17841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:48:42, skipping insertion in model container [2022-11-22 02:48:42,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:48:41" (2/3) ... [2022-11-22 02:48:42,334 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71c17841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:48:42, skipping insertion in model container [2022-11-22 02:48:42,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:48:42" (3/3) ... [2022-11-22 02:48:42,336 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_2a.BV.c.cil.c [2022-11-22 02:48:42,358 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 02:48:42,359 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-22 02:48:42,417 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 02:48:42,425 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@68a2f22e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 02:48:42,425 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-11-22 02:48:42,431 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) [2022-11-22 02:48:42,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-22 02:48:42,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 02:48:42,440 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 02:48:42,441 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] === [2022-11-22 02:48:42,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 02:48:42,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1227951673, now seen corresponding path program 1 times [2022-11-22 02:48:42,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 02:48:42,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820281323] [2022-11-22 02:48:42,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 02:48:42,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 02:48:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 02:48:42,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 02:48:42,645 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 02:48:42,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820281323] [2022-11-22 02:48:42,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820281323] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 02:48:42,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 02:48:42,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 02:48:42,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146071391] [2022-11-22 02:48:42,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 02:48:42,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 02:48:42,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 02:48:42,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 02:48:42,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:48:42,691 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) [2022-11-22 02:48:42,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 02:48:42,765 INFO L93 Difference]: Finished difference Result 206 states and 355 transitions. [2022-11-22 02:48:42,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 02:48:42,768 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 [2022-11-22 02:48:42,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 02:48:42,774 INFO L225 Difference]: With dead ends: 206 [2022-11-22 02:48:42,775 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 02:48:42,779 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 02:48:42,782 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 02:48:42,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 148 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 02:48:42,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 02:48:42,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 02:48:42,809 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) [2022-11-22 02:48:42,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 02:48:42,811 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2022-11-22 02:48:42,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 02:48:42,811 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 02:48:42,812 INFO L496 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) [2022-11-22 02:48:42,812 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 02:48:42,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 02:48:42,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining) [2022-11-22 02:48:42,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining) [2022-11-22 02:48:42,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining) [2022-11-22 02:48:42,818 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining) [2022-11-22 02:48:42,819 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining) [2022-11-22 02:48:42,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 02:48:42,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 02:48:42,877 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 278) no Hoare annotation was computed. [2022-11-22 02:48:42,877 INFO L899 garLoopResultBuilder]: For program point L267(lines 267 272) no Hoare annotation was computed. [2022-11-22 02:48:42,877 INFO L899 garLoopResultBuilder]: For program point L201(lines 201 608) no Hoare annotation was computed. [2022-11-22 02:48:42,878 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 619) no Hoare annotation was computed. [2022-11-22 02:48:42,878 INFO L902 garLoopResultBuilder]: At program point L135(lines 135 630) the Hoare annotation is: true [2022-11-22 02:48:42,878 INFO L899 garLoopResultBuilder]: For program point L367(lines 367 398) no Hoare annotation was computed. [2022-11-22 02:48:42,879 INFO L902 garLoopResultBuilder]: At program point L202(lines 198 609) the Hoare annotation is: true [2022-11-22 02:48:42,880 INFO L902 garLoopResultBuilder]: At program point L169(lines 165 620) the Hoare annotation is: true [2022-11-22 02:48:42,880 INFO L899 garLoopResultBuilder]: For program point L533(lines 533 538) no Hoare annotation was computed. [2022-11-22 02:48:42,881 INFO L902 garLoopResultBuilder]: At program point L600(lines 111 668) the Hoare annotation is: true [2022-11-22 02:48:42,881 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 571) no Hoare annotation was computed. [2022-11-22 02:48:42,881 INFO L899 garLoopResultBuilder]: For program point L303-2(lines 221 599) no Hoare annotation was computed. [2022-11-22 02:48:42,882 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 607) no Hoare annotation was computed. [2022-11-22 02:48:42,882 INFO L899 garLoopResultBuilder]: For program point L171(lines 171 618) no Hoare annotation was computed. [2022-11-22 02:48:42,882 INFO L899 garLoopResultBuilder]: For program point L138(lines 138 629) no Hoare annotation was computed. [2022-11-22 02:48:42,882 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 397) no Hoare annotation was computed. [2022-11-22 02:48:42,882 INFO L899 garLoopResultBuilder]: For program point L370-1(lines 370 397) no Hoare annotation was computed. [2022-11-22 02:48:42,883 INFO L899 garLoopResultBuilder]: For program point L371(lines 371 394) no Hoare annotation was computed. [2022-11-22 02:48:42,887 INFO L902 garLoopResultBuilder]: At program point L669(lines 110 670) the Hoare annotation is: true [2022-11-22 02:48:42,888 INFO L899 garLoopResultBuilder]: For program point L207(lines 207 606) no Hoare annotation was computed. [2022-11-22 02:48:42,888 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 617) no Hoare annotation was computed. [2022-11-22 02:48:42,889 INFO L899 garLoopResultBuilder]: For program point L141(lines 141 628) no Hoare annotation was computed. [2022-11-22 02:48:42,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 276) no Hoare annotation was computed. [2022-11-22 02:48:42,890 INFO L899 garLoopResultBuilder]: For program point L406(lines 406 437) no Hoare annotation was computed. [2022-11-22 02:48:42,891 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 258) no Hoare annotation was computed. [2022-11-22 02:48:42,892 INFO L902 garLoopResultBuilder]: At program point L208(lines 204 607) the Hoare annotation is: true [2022-11-22 02:48:42,896 INFO L902 garLoopResultBuilder]: At program point L175(lines 171 618) the Hoare annotation is: true [2022-11-22 02:48:42,897 INFO L899 garLoopResultBuilder]: For program point L241-2(lines 221 599) no Hoare annotation was computed. [2022-11-22 02:48:42,897 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 666) no Hoare annotation was computed. [2022-11-22 02:48:42,898 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 413) no Hoare annotation was computed. [2022-11-22 02:48:42,898 INFO L899 garLoopResultBuilder]: For program point L374(lines 374 393) no Hoare annotation was computed. [2022-11-22 02:48:42,898 INFO L899 garLoopResultBuilder]: For program point L275(line 275) no Hoare annotation was computed. [2022-11-22 02:48:42,899 INFO L899 garLoopResultBuilder]: For program point L639(lines 639 663) no Hoare annotation was computed. [2022-11-22 02:48:42,900 INFO L899 garLoopResultBuilder]: For program point L507(lines 507 511) no Hoare annotation was computed. [2022-11-22 02:48:42,900 INFO L899 garLoopResultBuilder]: For program point L540-2(lines 221 599) no Hoare annotation was computed. [2022-11-22 02:48:42,908 INFO L899 garLoopResultBuilder]: For program point L375-2(lines 374 391) no Hoare annotation was computed. [2022-11-22 02:48:42,909 INFO L899 garLoopResultBuilder]: For program point L276(line 276) no Hoare annotation was computed. [2022-11-22 02:48:42,909 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 248) no Hoare annotation was computed. [2022-11-22 02:48:42,909 INFO L899 garLoopResultBuilder]: For program point L276-1(line 276) no Hoare annotation was computed. [2022-11-22 02:48:42,910 INFO L899 garLoopResultBuilder]: For program point L210(lines 210 605) no Hoare annotation was computed. [2022-11-22 02:48:42,910 INFO L899 garLoopResultBuilder]: For program point L177(lines 177 616) no Hoare annotation was computed. [2022-11-22 02:48:42,910 INFO L899 garLoopResultBuilder]: For program point L144(lines 144 627) no Hoare annotation was computed. [2022-11-22 02:48:42,910 INFO L902 garLoopResultBuilder]: At program point L111-2(lines 111 668) the Hoare annotation is: true [2022-11-22 02:48:42,911 INFO L899 garLoopResultBuilder]: For program point L640(lines 640 649) no Hoare annotation was computed. [2022-11-22 02:48:42,913 INFO L899 garLoopResultBuilder]: For program point L640-2(lines 639 661) no Hoare annotation was computed. [2022-11-22 02:48:42,914 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2022-11-22 02:48:42,914 INFO L899 garLoopResultBuilder]: For program point L343-1(lines 343 352) no Hoare annotation was computed. [2022-11-22 02:48:42,914 INFO L902 garLoopResultBuilder]: At program point L178(lines 177 616) the Hoare annotation is: true [2022-11-22 02:48:42,915 INFO L902 garLoopResultBuilder]: At program point L145(lines 138 629) the Hoare annotation is: true [2022-11-22 02:48:42,915 INFO L899 garLoopResultBuilder]: For program point L278(line 278) no Hoare annotation was computed. [2022-11-22 02:48:42,915 INFO L899 garLoopResultBuilder]: For program point L278-1(line 278) no Hoare annotation was computed. [2022-11-22 02:48:42,915 INFO L899 garLoopResultBuilder]: For program point L642(lines 642 646) no Hoare annotation was computed. [2022-11-22 02:48:42,915 INFO L902 garLoopResultBuilder]: At program point L213(lines 213 604) the Hoare annotation is: true [2022-11-22 02:48:42,916 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 615) no Hoare annotation was computed. [2022-11-22 02:48:42,916 INFO L899 garLoopResultBuilder]: For program point L147(lines 147 626) no Hoare annotation was computed. [2022-11-22 02:48:42,917 INFO L902 garLoopResultBuilder]: At program point L114(lines 114 637) the Hoare annotation is: true [2022-11-22 02:48:42,917 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 278) no Hoare annotation was computed. [2022-11-22 02:48:42,917 INFO L902 garLoopResultBuilder]: At program point L214(lines 210 605) the Hoare annotation is: true [2022-11-22 02:48:42,917 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2022-11-22 02:48:42,918 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 491) no Hoare annotation was computed. [2022-11-22 02:48:42,918 INFO L899 garLoopResultBuilder]: For program point L447(lines 447 451) no Hoare annotation was computed. [2022-11-22 02:48:42,918 INFO L902 garLoopResultBuilder]: At program point L381(lines 364 399) the Hoare annotation is: true [2022-11-22 02:48:42,919 INFO L899 garLoopResultBuilder]: For program point L249(lines 249 254) no Hoare annotation was computed. [2022-11-22 02:48:42,919 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 614) no Hoare annotation was computed. [2022-11-22 02:48:42,919 INFO L899 garLoopResultBuilder]: For program point L150(lines 150 625) no Hoare annotation was computed. [2022-11-22 02:48:42,920 INFO L899 garLoopResultBuilder]: For program point L117(lines 117 636) no Hoare annotation was computed. [2022-11-22 02:48:42,920 INFO L902 garLoopResultBuilder]: At program point L415(lines 406 437) the Hoare annotation is: true [2022-11-22 02:48:42,921 INFO L902 garLoopResultBuilder]: At program point L184(lines 180 615) the Hoare annotation is: true [2022-11-22 02:48:42,921 INFO L902 garLoopResultBuilder]: At program point L151(lines 147 626) the Hoare annotation is: true [2022-11-22 02:48:42,921 INFO L899 garLoopResultBuilder]: For program point L383(lines 383 387) no Hoare annotation was computed. [2022-11-22 02:48:42,921 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 02:48:42,921 INFO L899 garLoopResultBuilder]: For program point L417(lines 417 423) no Hoare annotation was computed. [2022-11-22 02:48:42,922 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 613) no Hoare annotation was computed. [2022-11-22 02:48:42,922 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 624) no Hoare annotation was computed. [2022-11-22 02:48:42,922 INFO L899 garLoopResultBuilder]: For program point L120(lines 120 635) no Hoare annotation was computed. [2022-11-22 02:48:42,922 INFO L899 garLoopResultBuilder]: For program point L484(lines 484 488) no Hoare annotation was computed. [2022-11-22 02:48:42,922 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 290) no Hoare annotation was computed. [2022-11-22 02:48:42,923 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 522) no Hoare annotation was computed. [2022-11-22 02:48:42,923 INFO L902 garLoopResultBuilder]: At program point L684(lines 76 686) the Hoare annotation is: true [2022-11-22 02:48:42,923 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 557) no Hoare annotation was computed. [2022-11-22 02:48:42,924 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 612) no Hoare annotation was computed. [2022-11-22 02:48:42,924 INFO L899 garLoopResultBuilder]: For program point L156(lines 156 623) no Hoare annotation was computed. [2022-11-22 02:48:42,925 INFO L899 garLoopResultBuilder]: For program point L123(lines 123 634) no Hoare annotation was computed. [2022-11-22 02:48:42,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 02:48:42,925 INFO L902 garLoopResultBuilder]: At program point L190(lines 186 613) the Hoare annotation is: true [2022-11-22 02:48:42,925 INFO L902 garLoopResultBuilder]: At program point L157(lines 153 624) the Hoare annotation is: true [2022-11-22 02:48:42,925 INFO L899 garLoopResultBuilder]: For program point L323-2(lines 221 599) no Hoare annotation was computed. [2022-11-22 02:48:42,926 INFO L902 garLoopResultBuilder]: At program point L224(lines 117 636) the Hoare annotation is: true [2022-11-22 02:48:42,926 INFO L899 garLoopResultBuilder]: For program point L192(lines 192 611) no Hoare annotation was computed. [2022-11-22 02:48:42,926 INFO L899 garLoopResultBuilder]: For program point L159(lines 159 622) no Hoare annotation was computed. [2022-11-22 02:48:42,926 INFO L899 garLoopResultBuilder]: For program point L126(lines 126 633) no Hoare annotation was computed. [2022-11-22 02:48:42,927 INFO L899 garLoopResultBuilder]: For program point L457-1(lines 457 469) no Hoare annotation was computed. [2022-11-22 02:48:42,927 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 275) no Hoare annotation was computed. [2022-11-22 02:48:42,927 INFO L902 garLoopResultBuilder]: At program point L425(lines 416 436) the Hoare annotation is: true [2022-11-22 02:48:42,927 INFO L899 garLoopResultBuilder]: For program point L359-2(lines 221 599) no Hoare annotation was computed. [2022-11-22 02:48:42,928 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 276) no Hoare annotation was computed. [2022-11-22 02:48:42,929 INFO L899 garLoopResultBuilder]: For program point L95-1(lines 76 686) no Hoare annotation was computed. [2022-11-22 02:48:42,929 INFO L899 garLoopResultBuilder]: For program point L195(lines 195 610) no Hoare annotation was computed. [2022-11-22 02:48:42,929 INFO L899 garLoopResultBuilder]: For program point L162(lines 162 621) no Hoare annotation was computed. [2022-11-22 02:48:42,930 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 632) no Hoare annotation was computed. [2022-11-22 02:48:42,930 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 465) no Hoare annotation was computed. [2022-11-22 02:48:42,930 INFO L902 garLoopResultBuilder]: At program point L196(lines 192 611) the Hoare annotation is: true [2022-11-22 02:48:42,931 INFO L902 garLoopResultBuilder]: At program point L163(lines 159 622) the Hoare annotation is: true [2022-11-22 02:48:42,931 INFO L899 garLoopResultBuilder]: For program point L229-2(lines 221 599) no Hoare annotation was computed. [2022-11-22 02:48:42,931 INFO L899 garLoopResultBuilder]: For program point L428(lines 428 432) no Hoare annotation was computed. [2022-11-22 02:48:42,931 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 609) no Hoare annotation was computed. [2022-11-22 02:48:42,932 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 620) no Hoare annotation was computed. [2022-11-22 02:48:42,932 INFO L899 garLoopResultBuilder]: For program point L132(lines 132 631) no Hoare annotation was computed. [2022-11-22 02:48:42,933 INFO L902 garLoopResultBuilder]: At program point L562(lines 562 566) the Hoare annotation is: true [2022-11-22 02:48:42,933 INFO L899 garLoopResultBuilder]: For program point L496(lines 496 500) no Hoare annotation was computed. [2022-11-22 02:48:42,933 INFO L902 garLoopResultBuilder]: At program point L133(lines 129 632) the Hoare annotation is: true [2022-11-22 02:48:42,933 INFO L899 garLoopResultBuilder]: For program point L266(lines 266 280) no Hoare annotation was computed. [2022-11-22 02:48:42,937 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 02:48:42,940 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 02:48:42,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 02:48:42 BoogieIcfgContainer [2022-11-22 02:48:42,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 02:48:42,971 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 02:48:42,971 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 02:48:42,971 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 02:48:42,972 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:48:42" (3/4) ... [2022-11-22 02:48:42,975 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 02:48:42,998 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2022-11-22 02:48:43,001 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-22 02:48:43,002 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 02:48:43,003 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 02:48:43,086 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 02:48:43,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 02:48:43,087 INFO L158 Benchmark]: Toolchain (without parser) took 2418.63ms. Allocated memory was 180.4MB in the beginning and 245.4MB in the end (delta: 65.0MB). Free memory was 132.7MB in the beginning and 159.8MB in the end (delta: -27.2MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2022-11-22 02:48:43,087 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 180.4MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 02:48:43,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.02ms. Allocated memory is still 180.4MB. Free memory was 132.7MB in the beginning and 116.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-22 02:48:43,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.82ms. Allocated memory is still 180.4MB. Free memory was 116.6MB in the beginning and 113.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:48:43,088 INFO L158 Benchmark]: Boogie Preprocessor took 39.96ms. Allocated memory is still 180.4MB. Free memory was 113.8MB in the beginning and 111.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 02:48:43,089 INFO L158 Benchmark]: RCFGBuilder took 1183.85ms. Allocated memory was 180.4MB in the beginning and 245.4MB in the end (delta: 65.0MB). Free memory was 111.7MB in the beginning and 200.9MB in the end (delta: -89.1MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2022-11-22 02:48:43,089 INFO L158 Benchmark]: TraceAbstraction took 642.37ms. Allocated memory is still 245.4MB. Free memory was 199.8MB in the beginning and 167.3MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-22 02:48:43,090 INFO L158 Benchmark]: Witness Printer took 115.46ms. Allocated memory is still 245.4MB. Free memory was 167.3MB in the beginning and 159.8MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-22 02:48:43,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 180.4MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.02ms. Allocated memory is still 180.4MB. Free memory was 132.7MB in the beginning and 116.6MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.82ms. Allocated memory is still 180.4MB. Free memory was 116.6MB in the beginning and 113.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.96ms. Allocated memory is still 180.4MB. Free memory was 113.8MB in the beginning and 111.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1183.85ms. Allocated memory was 180.4MB in the beginning and 245.4MB in the end (delta: 65.0MB). Free memory was 111.7MB in the beginning and 200.9MB in the end (delta: -89.1MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * TraceAbstraction took 642.37ms. Allocated memory is still 245.4MB. Free memory was 199.8MB in the beginning and 167.3MB in the end (delta: 32.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 115.46ms. Allocated memory is still 245.4MB. Free memory was 167.3MB in the beginning and 159.8MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 275]: 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 - PositiveResult [Line: 276]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 278]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 278]: 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 148 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 148 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 52 NumberOfFragments, 26 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s 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: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 129]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 110]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 198]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 159]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 186]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 364]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-22 02:48:43,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1bc1cbf8-17ae-4b79-9e52-bdc352e50089/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE