./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13096c14bed21b15437a1ed6aaa4cbfb2c0e28ba ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 13096c14bed21b15437a1ed6aaa4cbfb2c0e28ba .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:24,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:24,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:24,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:24,831 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:24,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:24,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:24,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:24,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:24,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:24,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:24,844 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:24,845 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:24,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:24,848 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:24,849 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:24,850 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:24,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:24,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:24,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:24,859 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:24,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:24,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:24,864 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:24,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:24,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:24,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:24,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:24,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:24,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:24,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:24,875 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:24,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:24,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:24,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:24,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:24,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:24,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:24,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:24,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:24,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:24,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:24,925 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:24,927 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:24,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:24,931 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:24,931 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:24,931 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:24,932 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:24,932 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:24,932 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:24,933 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:24,934 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:24,934 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:24,935 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:24,935 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:24,935 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:24,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:24,937 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:24,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:24,938 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:24,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:24,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:24,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:24,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:24,939 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:24,940 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:24,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:24,940 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:24,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:24,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:24,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:24,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:24,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:24,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:24,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:24,946 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:24,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:24,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:24,947 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:24,947 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:24,947 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_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13096c14bed21b15437a1ed6aaa4cbfb2c0e28ba [2021-10-11 02:25:25,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:25,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:25,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:25,284 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:25,285 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:25,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c [2021-10-11 02:25:25,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/data/577e2ff00/1c0606f7d3ca4d99bfcbf076aa3f8ba2/FLAGb487a3458 [2021-10-11 02:25:26,038 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:26,039 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c [2021-10-11 02:25:26,094 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/data/577e2ff00/1c0606f7d3ca4d99bfcbf076aa3f8ba2/FLAGb487a3458 [2021-10-11 02:25:26,229 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/data/577e2ff00/1c0606f7d3ca4d99bfcbf076aa3f8ba2 [2021-10-11 02:25:26,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:26,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:26,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:26,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:26,239 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:26,240 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:26" (1/1) ... [2021-10-11 02:25:26,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48334c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:26, skipping insertion in model container [2021-10-11 02:25:26,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:26" (1/1) ... [2021-10-11 02:25:26,251 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:26,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:26,812 WARN L226 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_e520432c-e79d-40b5-8c23-30f813db30ee/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c[72024,72037] [2021-10-11 02:25:26,828 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:26,844 ERROR L326 MainTranslator]: Unsupported Syntax: Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) [2021-10-11 02:25:26,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43e9203d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:26, skipping insertion in model container [2021-10-11 02:25:26,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:26,845 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:26,847 INFO L168 Benchmark]: Toolchain (without parser) took 612.31 ms. Allocated memory is still 113.2 MB. Free memory was 81.1 MB in the beginning and 77.3 MB in the end (delta: 3.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,848 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 113.2 MB. Free memory is still 68.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:26,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.42 ms. Allocated memory is still 113.2 MB. Free memory was 80.9 MB in the beginning and 77.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:26,850 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 113.2 MB. Free memory is still 68.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 609.42 ms. Allocated memory is still 113.2 MB. Free memory was 80.9 MB in the beginning and 77.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1040]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:29,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:29,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:29,258 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:29,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:29,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:29,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:29,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:29,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:29,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:29,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:29,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:29,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:29,289 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:29,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:29,293 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:29,295 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:29,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:29,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:29,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:29,320 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:29,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:29,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:29,328 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:29,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:29,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:29,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:29,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:29,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:29,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:29,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:29,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:29,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:29,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:29,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:29,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:29,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:29,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:29,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:29,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:29,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:29,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:29,412 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:29,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:29,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:29,414 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:29,414 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:29,415 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:29,415 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:29,415 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:29,415 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:29,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:29,418 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:29,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:29,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:29,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:29,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:29,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:29,420 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:29,420 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:29,420 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:29,420 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:29,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:29,421 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:29,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:29,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:29,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:29,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:29,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:29,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:29,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:29,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:29,423 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:29,424 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:29,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:29,424 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:29,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:29,425 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13096c14bed21b15437a1ed6aaa4cbfb2c0e28ba [2021-10-11 02:25:29,823 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:29,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:29,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:29,858 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:29,858 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:29,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c [2021-10-11 02:25:29,933 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/data/a6f1d5ed2/8d8ffbbc1be3451aa39aaa11698ebf31/FLAGe5e545e38 [2021-10-11 02:25:30,686 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:30,687 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c [2021-10-11 02:25:30,724 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/data/a6f1d5ed2/8d8ffbbc1be3451aa39aaa11698ebf31/FLAGe5e545e38 [2021-10-11 02:25:30,873 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/data/a6f1d5ed2/8d8ffbbc1be3451aa39aaa11698ebf31 [2021-10-11 02:25:30,876 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:30,878 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:30,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:30,882 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:30,886 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:30,887 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:30" (1/1) ... [2021-10-11 02:25:30,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@577aba48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:30, skipping insertion in model container [2021-10-11 02:25:30,894 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:30" (1/1) ... [2021-10-11 02:25:30,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:30,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:31,446 WARN L226 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_e520432c-e79d-40b5-8c23-30f813db30ee/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c[72024,72037] [2021-10-11 02:25:31,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:31,496 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-10-11 02:25:31,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:31,646 WARN L226 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_e520432c-e79d-40b5-8c23-30f813db30ee/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c[72024,72037] [2021-10-11 02:25:31,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:31,663 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:31,833 WARN L226 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_e520432c-e79d-40b5-8c23-30f813db30ee/sv-benchmarks/c/openssl/s3_srvr.blast.02.i.cil-1.c[72024,72037] [2021-10-11 02:25:31,840 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:31,867 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:31,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:31 WrapperNode [2021-10-11 02:25:31,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:31,869 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:31,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:31,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:31,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:31" (1/1) ... [2021-10-11 02:25:31,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:31" (1/1) ... [2021-10-11 02:25:31,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:31,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:31,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:31,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:31,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:31" (1/1) ... [2021-10-11 02:25:31,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:31" (1/1) ... [2021-10-11 02:25:32,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:31" (1/1) ... [2021-10-11 02:25:32,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:31" (1/1) ... [2021-10-11 02:25:32,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:31" (1/1) ... [2021-10-11 02:25:32,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:31" (1/1) ... [2021-10-11 02:25:32,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:31" (1/1) ... [2021-10-11 02:25:32,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:32,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:32,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:32,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:32,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:31" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-11 02:25:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:32,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 02:25:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-11 02:25:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-11 02:25:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:32,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:32,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 02:25:32,578 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-10-11 02:25:45,905 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##90: assume false; [2021-10-11 02:25:45,905 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##91: assume !false; [2021-10-11 02:25:45,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:45,919 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 02:25:45,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:45 BoogieIcfgContainer [2021-10-11 02:25:45,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:45,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:45,923 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:45,926 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:45,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:30" (1/3) ... [2021-10-11 02:25:45,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebc85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:45, skipping insertion in model container [2021-10-11 02:25:45,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:31" (2/3) ... [2021-10-11 02:25:45,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ebc85d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:45, skipping insertion in model container [2021-10-11 02:25:45,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:45" (3/3) ... [2021-10-11 02:25:45,930 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.02.i.cil-1.c [2021-10-11 02:25:45,943 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:45,946 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:25:45,956 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:25:45,992 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:45,993 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:45,993 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:45,993 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:45,993 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:45,993 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:45,994 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:45,994 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:46,023 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2021-10-11 02:25:46,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-10-11 02:25:46,032 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:46,032 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:46,033 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:46,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:46,038 INFO L82 PathProgramCache]: Analyzing trace with hash 1430118927, now seen corresponding path program 1 times [2021-10-11 02:25:46,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:46,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352417721] [2021-10-11 02:25:46,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:46,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:46,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:46,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:46,580 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:46,581 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352417721] [2021-10-11 02:25:46,581 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:46,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:46,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400417086] [2021-10-11 02:25:46,587 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:46,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:46,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:46,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:46,603 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 3 states. [2021-10-11 02:25:46,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:46,713 INFO L93 Difference]: Finished difference Result 412 states and 698 transitions. [2021-10-11 02:25:46,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:46,715 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2021-10-11 02:25:46,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:46,729 INFO L225 Difference]: With dead ends: 412 [2021-10-11 02:25:46,729 INFO L226 Difference]: Without dead ends: 251 [2021-10-11 02:25:46,733 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:46,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2021-10-11 02:25:46,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2021-10-11 02:25:46,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2021-10-11 02:25:46,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 379 transitions. [2021-10-11 02:25:46,789 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 379 transitions. Word has length 47 [2021-10-11 02:25:46,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:46,789 INFO L481 AbstractCegarLoop]: Abstraction has 251 states and 379 transitions. [2021-10-11 02:25:46,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:46,790 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 379 transitions. [2021-10-11 02:25:46,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-10-11 02:25:46,794 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:46,794 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:47,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:25:47,014 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:47,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:47,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1889550317, now seen corresponding path program 1 times [2021-10-11 02:25:47,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:47,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1545488845] [2021-10-11 02:25:47,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:47,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:47,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:47,565 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:47,565 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:47,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1545488845] [2021-10-11 02:25:47,569 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:47,570 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:47,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091635292] [2021-10-11 02:25:47,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:47,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:47,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:47,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:47,577 INFO L87 Difference]: Start difference. First operand 251 states and 379 transitions. Second operand 3 states. [2021-10-11 02:25:47,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:47,988 INFO L93 Difference]: Finished difference Result 489 states and 744 transitions. [2021-10-11 02:25:47,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:47,989 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2021-10-11 02:25:47,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:47,992 INFO L225 Difference]: With dead ends: 489 [2021-10-11 02:25:47,993 INFO L226 Difference]: Without dead ends: 367 [2021-10-11 02:25:47,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:47,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-10-11 02:25:48,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2021-10-11 02:25:48,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2021-10-11 02:25:48,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 554 transitions. [2021-10-11 02:25:48,021 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 554 transitions. Word has length 64 [2021-10-11 02:25:48,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:48,022 INFO L481 AbstractCegarLoop]: Abstraction has 367 states and 554 transitions. [2021-10-11 02:25:48,022 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:48,022 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 554 transitions. [2021-10-11 02:25:48,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-10-11 02:25:48,027 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:48,027 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:48,244 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:25:48,245 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:48,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:48,245 INFO L82 PathProgramCache]: Analyzing trace with hash -617936825, now seen corresponding path program 1 times [2021-10-11 02:25:48,246 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:48,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1210333879] [2021-10-11 02:25:48,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:48,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 02:25:48,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:48,711 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-11 02:25:48,712 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:48,712 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1210333879] [2021-10-11 02:25:48,712 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:48,713 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:25:48,713 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513821754] [2021-10-11 02:25:48,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-10-11 02:25:48,714 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:48,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 02:25:48,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:48,715 INFO L87 Difference]: Start difference. First operand 367 states and 554 transitions. Second operand 3 states. [2021-10-11 02:25:49,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:49,061 INFO L93 Difference]: Finished difference Result 723 states and 1098 transitions. [2021-10-11 02:25:49,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-11 02:25:49,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2021-10-11 02:25:49,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:49,066 INFO L225 Difference]: With dead ends: 723 [2021-10-11 02:25:49,066 INFO L226 Difference]: Without dead ends: 485 [2021-10-11 02:25:49,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 02:25:49,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-10-11 02:25:49,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 485. [2021-10-11 02:25:49,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2021-10-11 02:25:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 732 transitions. [2021-10-11 02:25:49,094 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 732 transitions. Word has length 86 [2021-10-11 02:25:49,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:49,095 INFO L481 AbstractCegarLoop]: Abstraction has 485 states and 732 transitions. [2021-10-11 02:25:49,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-10-11 02:25:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 732 transitions. [2021-10-11 02:25:49,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-11 02:25:49,099 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:49,100 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:49,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:25:49,314 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:49,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:49,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1960687741, now seen corresponding path program 1 times [2021-10-11 02:25:49,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:49,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [48349217] [2021-10-11 02:25:49,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:50,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-11 02:25:50,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:50,122 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-11 02:25:50,123 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 02:25:50,153 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:25:50,162 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-10-11 02:25:50,163 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-11 02:25:50,179 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:25:50,181 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-11 02:25:50,181 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:19 [2021-10-11 02:25:50,240 INFO L443 ElimStorePlain]: Different costs {8=[|v_#memory_$Pointer$.offset_178|, |v_#memory_$Pointer$.base_178|], 44=[|v_#memory_$Pointer$.offset_176|, |v_#memory_$Pointer$.base_176|]} [2021-10-11 02:25:50,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:50,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:50,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:50,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:50,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:50,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:50,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:50,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:50,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:50,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:50,856 INFO L244 Elim1Store]: Index analysis took 568 ms [2021-10-11 02:25:51,020 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 13 [2021-10-11 02:25:51,025 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 02:25:51,278 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-10-11 02:25:51,278 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:25:51,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,430 INFO L244 Elim1Store]: Index analysis took 131 ms [2021-10-11 02:25:51,492 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 13 [2021-10-11 02:25:51,494 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-11 02:25:51,570 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:25:51,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,616 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 13 [2021-10-11 02:25:51,617 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-10-11 02:25:51,645 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:25:51,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,673 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 13 [2021-10-11 02:25:51,675 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-10-11 02:25:51,689 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:25:51,690 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-11 02:25:51,690 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:227, output treesize:19 [2021-10-11 02:25:51,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,775 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 13 [2021-10-11 02:25:51,777 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 02:25:51,813 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:25:51,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-11 02:25:51,848 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 13 [2021-10-11 02:25:51,861 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-11 02:25:51,876 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:25:51,877 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-11 02:25:51,878 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:123, output treesize:19 [2021-10-11 02:25:51,897 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-10-11 02:25:51,899 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 02:25:51,917 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:25:51,922 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-10-11 02:25:51,924 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-10-11 02:25:51,934 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:25:51,935 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2021-10-11 02:25:51,935 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:7 [2021-10-11 02:25:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2021-10-11 02:25:52,070 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:52,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [48349217] [2021-10-11 02:25:52,070 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:52,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:52,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764975985] [2021-10-11 02:25:52,072 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:52,073 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:52,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:52,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:52,076 INFO L87 Difference]: Start difference. First operand 485 states and 732 transitions. Second operand 5 states. [2021-10-11 02:26:10,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:26:10,829 INFO L93 Difference]: Finished difference Result 967 states and 1460 transitions. [2021-10-11 02:26:10,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:26:10,831 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2021-10-11 02:26:10,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:26:10,834 INFO L225 Difference]: With dead ends: 967 [2021-10-11 02:26:10,837 INFO L226 Difference]: Without dead ends: 485 [2021-10-11 02:26:10,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:26:10,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2021-10-11 02:26:10,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 485. [2021-10-11 02:26:10,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2021-10-11 02:26:10,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 731 transitions. [2021-10-11 02:26:10,879 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 731 transitions. Word has length 127 [2021-10-11 02:26:10,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:26:10,881 INFO L481 AbstractCegarLoop]: Abstraction has 485 states and 731 transitions. [2021-10-11 02:26:10,881 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:26:10,881 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 731 transitions. [2021-10-11 02:26:10,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-10-11 02:26:10,888 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:26:10,889 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:26:11,110 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:26:11,111 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:26:11,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:26:11,111 INFO L82 PathProgramCache]: Analyzing trace with hash 1254091135, now seen corresponding path program 1 times [2021-10-11 02:26:11,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:26:11,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512850796] [2021-10-11 02:26:11,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:26:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:26:13,113 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:26:14,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:26:14,771 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:26:15,209 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-11 02:26:15,209 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:26:15,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:26:15,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:26:15 BoogieIcfgContainer [2021-10-11 02:26:15,628 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:26:15,629 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:26:15,629 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:26:15,629 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:26:15,629 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:45" (3/4) ... [2021-10-11 02:26:15,631 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-11 02:26:15,744 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e520432c-e79d-40b5-8c23-30f813db30ee/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:26:15,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:26:15,745 INFO L168 Benchmark]: Toolchain (without parser) took 44866.51 ms. Allocated memory was 52.4 MB in the beginning and 88.1 MB in the end (delta: 35.7 MB). Free memory was 26.4 MB in the beginning and 24.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 36.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:15,745 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 52.4 MB. Free memory was 32.8 MB in the beginning and 32.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:15,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 987.17 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 26.2 MB in the beginning and 39.8 MB in the end (delta: -13.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:15,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.52 ms. Allocated memory is still 73.4 MB. Free memory was 39.8 MB in the beginning and 35.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:15,746 INFO L168 Benchmark]: Boogie Preprocessor took 143.48 ms. Allocated memory is still 73.4 MB. Free memory was 35.3 MB in the beginning and 48.8 MB in the end (delta: -13.5 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:15,747 INFO L168 Benchmark]: RCFGBuilder took 13787.76 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 48.8 MB in the beginning and 33.2 MB in the end (delta: 15.6 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:15,747 INFO L168 Benchmark]: TraceAbstraction took 29705.43 ms. Allocated memory is still 88.1 MB. Free memory was 32.6 MB in the beginning and 42.5 MB in the end (delta: -9.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:15,748 INFO L168 Benchmark]: Witness Printer took 115.33 ms. Allocated memory is still 88.1 MB. Free memory was 42.5 MB in the beginning and 24.3 MB in the end (delta: 18.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:15,750 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 52.4 MB. Free memory was 32.8 MB in the beginning and 32.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 987.17 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 26.2 MB in the beginning and 39.8 MB in the end (delta: -13.5 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.52 ms. Allocated memory is still 73.4 MB. Free memory was 39.8 MB in the beginning and 35.3 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 143.48 ms. Allocated memory is still 73.4 MB. Free memory was 35.3 MB in the beginning and 48.8 MB in the end (delta: -13.5 MB). Peak memory consumption was 8.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13787.76 ms. Allocated memory was 73.4 MB in the beginning and 88.1 MB in the end (delta: 14.7 MB). Free memory was 48.8 MB in the beginning and 33.2 MB in the end (delta: 15.6 MB). Peak memory consumption was 37.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 29705.43 ms. Allocated memory is still 88.1 MB. Free memory was 32.6 MB in the beginning and 42.5 MB in the end (delta: -9.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. * Witness Printer took 115.33 ms. Allocated memory is still 88.1 MB. Free memory was 42.5 MB in the beginning and 24.3 MB in the end (delta: 18.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1723]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1044] static int init = 1; [L1045] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={-17:0}] [L1067] SSL *s ; [L1068] int tmp ; [L1072] s = malloc(sizeof(SSL)) [L1073] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1074] s->ctx = malloc(sizeof(SSL_CTX)) [L1075] s->session = malloc(sizeof(SSL_SESSION)) [L1076] s->state = 8464 [L1078] s->info_callback = (void (*) ()) __VERIFIER_nondet_ulong() [L1079] s->options = __VERIFIER_nondet_ulong() [L1080] s->verify_mode = __VERIFIER_nondet_int() [L1081] EXPR s->session [L1081] (s->session)->peer = (struct x509_st*) __VERIFIER_nondet_ulong() [L1082] EXPR s->s3 [L1082] (s->s3)->tmp.cert_request = __VERIFIER_nondet_int() [L1083] EXPR s->s3 [L1083] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1084] EXPR s->s3 [L1084] EXPR (s->s3)->tmp.new_cipher [L1084] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1085] EXPR s->s3 [L1085] EXPR (s->s3)->tmp.new_cipher [L1085] ((s->s3)->tmp.new_cipher)->algo_strength = __VERIFIER_nondet_ulong() [L1086] COND FALSE !(__VERIFIER_nondet_int()) [L1092] s->cert = malloc(sizeof(struct cert_st)) [L1093] EXPR s->cert [L1093] (s->cert)->pkeys[0].privatekey = (struct evp_pkey_st*) __VERIFIER_nondet_ulong() [L1102] BUF_MEM *buf ; [L1103] unsigned long l ; [L1104] unsigned long Time ; [L1105] unsigned long tmp ; [L1106] void (*cb)() ; [L1107] long num1 ; [L1108] int ret ; [L1109] int new_state ; [L1110] int state ; [L1111] int skip ; [L1112] int got_new_session ; [L1113] int tmp___1 = __VERIFIER_nondet_int() ; [L1114] int tmp___2 = __VERIFIER_nondet_int() ; [L1115] int tmp___3 = __VERIFIER_nondet_int() ; [L1116] int tmp___4 = __VERIFIER_nondet_int() ; [L1117] int tmp___5 = __VERIFIER_nondet_int() ; [L1118] int tmp___6 = __VERIFIER_nondet_int() ; [L1119] int tmp___7 ; [L1120] long tmp___8 = __VERIFIER_nondet_long() ; [L1121] int tmp___9 = __VERIFIER_nondet_int() ; [L1122] int tmp___10 = __VERIFIER_nondet_int() ; [L1123] int blastFlag ; [L1127] blastFlag = 0 [L1128] s->hit=__VERIFIER_nondet_int () [L1129] s->state = 8464 [L1130] tmp = __VERIFIER_nondet_int() [L1131] Time = tmp [L1132] cb = (void (*)())((void *)0) [L1133] ret = -1 [L1134] skip = 0 [L1135] got_new_session = 0 [L1136] EXPR s->info_callback VAL [init=1, SSLv3_server_data={-17:0}] [L1136] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1137] EXPR s->info_callback [L1137] cb = s->info_callback [L1141] EXPR s->in_handshake [L1141] s->in_handshake += 1 [L1142] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_server_data={-17:0}] [L1151] EXPR s->cert VAL [init=1, SSLv3_server_data={-17:0}] [L1151] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1157] COND TRUE 1 VAL [init=1, SSLv3_server_data={-17:0}] [L1159] EXPR s->state [L1159] state = s->state [L1160] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1160] COND FALSE !(s->state == 12292) [L1163] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1163] COND FALSE !(s->state == 16384) [L1166] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1166] COND FALSE !(s->state == 8192) [L1169] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1169] COND FALSE !(s->state == 24576) [L1172] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1172] COND FALSE !(s->state == 8195) [L1175] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1175] COND FALSE !(s->state == 8480) [L1178] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1178] COND FALSE !(s->state == 8481) [L1181] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1181] COND FALSE !(s->state == 8482) [L1184] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1184] COND TRUE s->state == 8464 [L1344] s->shutdown = 0 [L1345] ret = __VERIFIER_nondet_int() [L1346] COND TRUE blastFlag == 0 [L1347] blastFlag = 1 VAL [init=1, SSLv3_server_data={-17:0}] [L1351] COND FALSE !(ret <= 0) [L1356] got_new_session = 1 [L1357] s->state = 8496 [L1358] s->init_num = 0 VAL [init=1, SSLv3_server_data={-17:0}] [L1682] EXPR s->s3 [L1682] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-17:0}] [L1682] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1711] skip = 0 VAL [init=1, SSLv3_server_data={-17:0}] [L1157] COND TRUE 1 VAL [init=1, SSLv3_server_data={-17:0}] [L1159] EXPR s->state [L1159] state = s->state [L1160] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1160] COND FALSE !(s->state == 12292) [L1163] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1163] COND FALSE !(s->state == 16384) [L1166] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1166] COND FALSE !(s->state == 8192) [L1169] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1169] COND FALSE !(s->state == 24576) [L1172] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1172] COND FALSE !(s->state == 8195) [L1175] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1175] COND FALSE !(s->state == 8480) [L1178] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1178] COND FALSE !(s->state == 8481) [L1181] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1181] COND FALSE !(s->state == 8482) [L1184] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1184] COND FALSE !(s->state == 8464) [L1187] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1187] COND FALSE !(s->state == 8465) [L1190] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1190] COND FALSE !(s->state == 8466) [L1193] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1193] COND TRUE s->state == 8496 [L1362] ret = __VERIFIER_nondet_int() [L1363] COND TRUE blastFlag == 1 [L1364] blastFlag = 2 VAL [init=1, SSLv3_server_data={-17:0}] [L1372] COND FALSE !(ret <= 0) [L1377] s->hit VAL [init=1, SSLv3_server_data={-17:0}] [L1377] COND TRUE s->hit [L1378] s->state = 8656 VAL [init=1, SSLv3_server_data={-17:0}] [L1382] s->init_num = 0 VAL [init=1, SSLv3_server_data={-17:0}] [L1682] EXPR s->s3 [L1682] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-17:0}] [L1682] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1711] skip = 0 VAL [init=1, SSLv3_server_data={-17:0}] [L1157] COND TRUE 1 VAL [init=1, SSLv3_server_data={-17:0}] [L1159] EXPR s->state [L1159] state = s->state [L1160] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1160] COND FALSE !(s->state == 12292) [L1163] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1163] COND FALSE !(s->state == 16384) [L1166] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1166] COND FALSE !(s->state == 8192) [L1169] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1169] COND FALSE !(s->state == 24576) [L1172] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1172] COND FALSE !(s->state == 8195) [L1175] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1175] COND FALSE !(s->state == 8480) [L1178] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1178] COND FALSE !(s->state == 8481) [L1181] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1181] COND FALSE !(s->state == 8482) [L1184] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1184] COND FALSE !(s->state == 8464) [L1187] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1187] COND FALSE !(s->state == 8465) [L1190] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1190] COND FALSE !(s->state == 8466) [L1193] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1193] COND FALSE !(s->state == 8496) [L1196] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1196] COND FALSE !(s->state == 8497) [L1199] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1199] COND FALSE !(s->state == 8512) [L1202] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1202] COND FALSE !(s->state == 8513) [L1205] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1205] COND FALSE !(s->state == 8528) [L1208] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1208] COND FALSE !(s->state == 8529) [L1211] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1211] COND FALSE !(s->state == 8544) [L1214] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1214] COND FALSE !(s->state == 8545) [L1217] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1217] COND FALSE !(s->state == 8560) [L1220] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1220] COND FALSE !(s->state == 8561) [L1223] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1223] COND FALSE !(s->state == 8448) [L1226] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1226] COND FALSE !(s->state == 8576) [L1229] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1229] COND FALSE !(s->state == 8577) [L1232] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1232] COND FALSE !(s->state == 8592) [L1235] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1235] COND FALSE !(s->state == 8593) [L1238] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1238] COND FALSE !(s->state == 8608) [L1241] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1241] COND FALSE !(s->state == 8609) [L1244] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1244] COND FALSE !(s->state == 8640) [L1247] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1247] COND FALSE !(s->state == 8641) [L1250] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1250] COND TRUE s->state == 8656 [L1575] EXPR s->session [L1575] EXPR s->s3 [L1575] EXPR (s->s3)->tmp.new_cipher [L1575] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1576] COND FALSE !(! tmp___9) [L1582] ret = __VERIFIER_nondet_int() [L1583] COND TRUE blastFlag == 2 [L1584] blastFlag = 3 VAL [init=1, SSLv3_server_data={-17:0}] [L1588] COND FALSE !(ret <= 0) [L1593] s->state = 8672 [L1594] s->init_num = 0 VAL [init=1, SSLv3_server_data={-17:0}] [L1595] COND FALSE !(! tmp___10) VAL [init=1, SSLv3_server_data={-17:0}] [L1682] EXPR s->s3 [L1682] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-17:0}] [L1682] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1711] skip = 0 VAL [init=1, SSLv3_server_data={-17:0}] [L1157] COND TRUE 1 VAL [init=1, SSLv3_server_data={-17:0}] [L1159] EXPR s->state [L1159] state = s->state [L1160] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1160] COND FALSE !(s->state == 12292) [L1163] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1163] COND FALSE !(s->state == 16384) [L1166] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1166] COND FALSE !(s->state == 8192) [L1169] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1169] COND FALSE !(s->state == 24576) [L1172] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1172] COND FALSE !(s->state == 8195) [L1175] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1175] COND FALSE !(s->state == 8480) [L1178] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1178] COND FALSE !(s->state == 8481) [L1181] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1181] COND FALSE !(s->state == 8482) [L1184] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1184] COND FALSE !(s->state == 8464) [L1187] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1187] COND FALSE !(s->state == 8465) [L1190] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1190] COND FALSE !(s->state == 8466) [L1193] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1193] COND FALSE !(s->state == 8496) [L1196] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1196] COND FALSE !(s->state == 8497) [L1199] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1199] COND FALSE !(s->state == 8512) [L1202] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1202] COND FALSE !(s->state == 8513) [L1205] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1205] COND FALSE !(s->state == 8528) [L1208] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1208] COND FALSE !(s->state == 8529) [L1211] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1211] COND FALSE !(s->state == 8544) [L1214] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1214] COND FALSE !(s->state == 8545) [L1217] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1217] COND FALSE !(s->state == 8560) [L1220] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1220] COND FALSE !(s->state == 8561) [L1223] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1223] COND FALSE !(s->state == 8448) [L1226] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1226] COND FALSE !(s->state == 8576) [L1229] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1229] COND FALSE !(s->state == 8577) [L1232] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1232] COND FALSE !(s->state == 8592) [L1235] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1235] COND FALSE !(s->state == 8593) [L1238] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1238] COND FALSE !(s->state == 8608) [L1241] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1241] COND FALSE !(s->state == 8609) [L1244] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1244] COND FALSE !(s->state == 8640) [L1247] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1247] COND FALSE !(s->state == 8641) [L1250] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1250] COND FALSE !(s->state == 8656) [L1253] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1253] COND FALSE !(s->state == 8657) [L1256] EXPR s->state VAL [init=1, SSLv3_server_data={-17:0}] [L1256] COND TRUE s->state == 8672 [L1604] ret = __VERIFIER_nondet_int() [L1605] COND TRUE blastFlag == 3 VAL [init=1, SSLv3_server_data={-17:0}] [L1723] reach_error() VAL [init=1, SSLv3_server_data={-17:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 145 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 29.4s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 19.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1172 SDtfs, 462 SDslu, 1033 SDs, 0 SdLazy, 209 SolverSat, 12 SolverUnsat, 3 SolverUnknown, 0 SolverNotchecked, 19.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 322 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=485occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 451 NumberOfCodeBlocks, 451 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 320 ConstructedInterpolants, 0 QuantifiedInterpolants, 70098 SizeOfPredicates, 8 NumberOfNonLiveVariables, 983 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 153/153 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...