./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.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-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan --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 fa6118479ea6bc4aae2360064ac2f184cd09048a ............................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan --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 fa6118479ea6bc4aae2360064ac2f184cd09048a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2020-12-03 12:39:05,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:39:05,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:39:05,964 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:39:05,965 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:39:05,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:39:05,968 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:39:05,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:39:05,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:39:05,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:39:05,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:39:05,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:39:05,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:39:05,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:39:05,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:39:05,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:39:05,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:39:05,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:39:05,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:39:05,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:39:05,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:39:05,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:39:05,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:39:05,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:39:06,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:39:06,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:39:06,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:39:06,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:39:06,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:39:06,004 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:39:06,004 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:39:06,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:39:06,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:39:06,007 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:39:06,009 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:39:06,037 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:39:06,038 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:39:06,039 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:39:06,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:39:06,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:39:06,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:39:06,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-03 12:39:06,069 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:39:06,074 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:39:06,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:39:06,077 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:39:06,077 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:39:06,077 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:39:06,078 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-03 12:39:06,078 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:39:06,078 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:39:06,078 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-03 12:39:06,079 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-03 12:39:06,080 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:39:06,080 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-03 12:39:06,080 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-03 12:39:06,081 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-03 12:39:06,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:39:06,082 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 12:39:06,082 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-03 12:39:06,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 12:39:06,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:39:06,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:39:06,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:39:06,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:39:06,084 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:39:06,084 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 12:39:06,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:39:06,085 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:39:06,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:39:06,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:39:06,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:39:06,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:39:06,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:39:06,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:39:06,088 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:39:06,089 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-03 12:39:06,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-03 12:39:06,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:39:06,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:39:06,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:39:06,090 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-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa6118479ea6bc4aae2360064ac2f184cd09048a [2020-12-03 12:39:06,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:39:06,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:39:06,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:39:06,473 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:39:06,473 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:39:06,474 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2020-12-03 12:39:06,553 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/data/208ed9299/4cd8968131a94540b3f229b9e5bf1c86/FLAG8360fd197 [2020-12-03 12:39:07,215 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:39:07,215 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2020-12-03 12:39:07,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/data/208ed9299/4cd8968131a94540b3f229b9e5bf1c86/FLAG8360fd197 [2020-12-03 12:39:07,421 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/data/208ed9299/4cd8968131a94540b3f229b9e5bf1c86 [2020-12-03 12:39:07,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:39:07,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:39:07,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:39:07,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:39:07,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:39:07,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:39:07" (1/1) ... [2020-12-03 12:39:07,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16a5e478 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:07, skipping insertion in model container [2020-12-03 12:39:07,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:39:07" (1/1) ... [2020-12-03 12:39:07,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:39:07,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:39:07,995 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c[71313,71326] [2020-12-03 12:39:08,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:39:08,033 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) [2020-12-03 12:39:08,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@531e3d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:08, skipping insertion in model container [2020-12-03 12:39:08,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:39:08,035 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-03 12:39:08,037 INFO L168 Benchmark]: Toolchain (without parser) took 609.25 ms. Allocated memory is still 107.0 MB. Free memory was 70.7 MB in the beginning and 75.3 MB in the end (delta: -4.6 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:08,038 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 107.0 MB. Free memory was 80.5 MB in the beginning and 80.5 MB in the end (delta: 27.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:39:08,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.46 ms. Allocated memory is still 107.0 MB. Free memory was 70.5 MB in the beginning and 75.3 MB in the end (delta: -4.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:08,040 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 107.0 MB. Free memory was 80.5 MB in the beginning and 80.5 MB in the end (delta: 27.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 597.46 ms. Allocated memory is still 107.0 MB. Free memory was 70.5 MB in the beginning and 75.3 MB in the end (delta: -4.7 MB). Peak memory consumption was 12.7 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 [2020-12-03 12:39:10,298 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-03 12:39:10,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-03 12:39:10,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-03 12:39:10,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-03 12:39:10,337 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-03 12:39:10,339 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-03 12:39:10,341 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-03 12:39:10,344 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-03 12:39:10,345 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-03 12:39:10,346 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-03 12:39:10,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-03 12:39:10,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-03 12:39:10,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-03 12:39:10,366 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-03 12:39:10,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-03 12:39:10,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-03 12:39:10,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-03 12:39:10,377 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-03 12:39:10,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-03 12:39:10,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-03 12:39:10,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-03 12:39:10,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-03 12:39:10,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-03 12:39:10,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-03 12:39:10,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-03 12:39:10,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-03 12:39:10,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-03 12:39:10,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-03 12:39:10,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-03 12:39:10,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-03 12:39:10,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-03 12:39:10,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-03 12:39:10,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-03 12:39:10,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-03 12:39:10,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-03 12:39:10,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-03 12:39:10,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-03 12:39:10,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-03 12:39:10,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-03 12:39:10,418 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-03 12:39:10,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-03 12:39:10,465 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-03 12:39:10,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-03 12:39:10,467 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-03 12:39:10,468 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-03 12:39:10,468 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-03 12:39:10,468 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-03 12:39:10,468 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-03 12:39:10,469 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-03 12:39:10,469 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-03 12:39:10,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-03 12:39:10,471 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-03 12:39:10,472 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-03 12:39:10,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-03 12:39:10,472 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-03 12:39:10,472 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-03 12:39:10,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-03 12:39:10,473 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-03 12:39:10,473 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-03 12:39:10,473 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-03 12:39:10,473 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-03 12:39:10,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-03 12:39:10,474 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-03 12:39:10,474 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-03 12:39:10,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-03 12:39:10,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-03 12:39:10,475 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-03 12:39:10,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-03 12:39:10,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-03 12:39:10,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-03 12:39:10,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-03 12:39:10,476 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-03 12:39:10,476 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-03 12:39:10,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-03 12:39:10,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-03 12:39:10,477 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-03 12:39:10,477 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-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa6118479ea6bc4aae2360064ac2f184cd09048a [2020-12-03 12:39:10,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-03 12:39:10,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-03 12:39:10,927 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-03 12:39:10,928 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-03 12:39:10,930 INFO L275 PluginConnector]: CDTParser initialized [2020-12-03 12:39:10,931 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/../../sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2020-12-03 12:39:11,016 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/data/c61b91aaf/7aab65e264a4471598a1981b0d25e515/FLAGa0ca319d2 [2020-12-03 12:39:11,732 INFO L306 CDTParser]: Found 1 translation units. [2020-12-03 12:39:11,733 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c [2020-12-03 12:39:11,753 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/data/c61b91aaf/7aab65e264a4471598a1981b0d25e515/FLAGa0ca319d2 [2020-12-03 12:39:11,904 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/data/c61b91aaf/7aab65e264a4471598a1981b0d25e515 [2020-12-03 12:39:11,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-03 12:39:11,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-03 12:39:11,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-03 12:39:11,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-03 12:39:11,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-03 12:39:11,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:39:11" (1/1) ... [2020-12-03 12:39:11,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b90791b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:11, skipping insertion in model container [2020-12-03 12:39:11,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:39:11" (1/1) ... [2020-12-03 12:39:11,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-03 12:39:11,997 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:39:12,438 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c[71313,71326] [2020-12-03 12:39:12,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:39:12,479 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2020-12-03 12:39:12,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-03 12:39:12,662 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c[71313,71326] [2020-12-03 12:39:12,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:39:12,672 INFO L203 MainTranslator]: Completed pre-run [2020-12-03 12:39:12,807 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/sv-benchmarks/c/openssl/s3_srvr.blast.03.i.cil.c[71313,71326] [2020-12-03 12:39:12,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-03 12:39:12,851 INFO L208 MainTranslator]: Completed translation [2020-12-03 12:39:12,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:12 WrapperNode [2020-12-03 12:39:12,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-03 12:39:12,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-03 12:39:12,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-03 12:39:12,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-03 12:39:12,860 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:12" (1/1) ... [2020-12-03 12:39:12,904 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:12" (1/1) ... [2020-12-03 12:39:12,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-03 12:39:12,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-03 12:39:12,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-03 12:39:12,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-03 12:39:12,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:12" (1/1) ... [2020-12-03 12:39:12,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:12" (1/1) ... [2020-12-03 12:39:12,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:12" (1/1) ... [2020-12-03 12:39:12,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:12" (1/1) ... [2020-12-03 12:39:13,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:12" (1/1) ... [2020-12-03 12:39:13,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:12" (1/1) ... [2020-12-03 12:39:13,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:12" (1/1) ... [2020-12-03 12:39:13,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-03 12:39:13,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-03 12:39:13,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-03 12:39:13,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-03 12:39:13,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/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 [2020-12-03 12:39:13,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-03 12:39:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-03 12:39:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-03 12:39:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-03 12:39:13,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-03 12:39:13,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-03 12:39:13,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-03 12:39:13,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-03 12:39:13,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-03 12:39:13,559 WARN L800 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-12-03 12:39:26,803 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2020-12-03 12:39:26,803 INFO L752 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2020-12-03 12:39:26,812 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-03 12:39:26,813 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2020-12-03 12:39:26,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:39:26 BoogieIcfgContainer [2020-12-03 12:39:26,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-03 12:39:26,826 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-03 12:39:26,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-03 12:39:26,829 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-03 12:39:26,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 12:39:11" (1/3) ... [2020-12-03 12:39:26,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a18e343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:39:26, skipping insertion in model container [2020-12-03 12:39:26,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:39:12" (2/3) ... [2020-12-03 12:39:26,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a18e343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 12:39:26, skipping insertion in model container [2020-12-03 12:39:26,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:39:26" (3/3) ... [2020-12-03 12:39:26,833 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.03.i.cil.c [2020-12-03 12:39:26,847 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-03 12:39:26,851 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-03 12:39:26,862 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-03 12:39:26,901 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-03 12:39:26,901 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-03 12:39:26,902 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-03 12:39:26,902 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-03 12:39:26,902 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-03 12:39:26,902 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-03 12:39:26,902 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-03 12:39:26,902 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-03 12:39:26,922 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2020-12-03 12:39:26,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-03 12:39:26,937 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:39:26,938 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] [2020-12-03 12:39:26,938 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:39:26,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:39:26,944 INFO L82 PathProgramCache]: Analyzing trace with hash 522837677, now seen corresponding path program 1 times [2020-12-03 12:39:26,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:39:26,962 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1728538313] [2020-12-03 12:39:26,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/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 [2020-12-03 12:39:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:39:27,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-03 12:39:27,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:39:27,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:39:27,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:39:27,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1728538313] [2020-12-03 12:39:27,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:39:27,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 12:39:27,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577224952] [2020-12-03 12:39:27,393 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:39:27,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:39:27,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:39:27,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:39:27,411 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 3 states. [2020-12-03 12:39:27,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:39:27,538 INFO L93 Difference]: Finished difference Result 410 states and 695 transitions. [2020-12-03 12:39:27,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:39:27,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2020-12-03 12:39:27,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:39:27,553 INFO L225 Difference]: With dead ends: 410 [2020-12-03 12:39:27,553 INFO L226 Difference]: Without dead ends: 249 [2020-12-03 12:39:27,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:39:27,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-12-03 12:39:27,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2020-12-03 12:39:27,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-12-03 12:39:27,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 376 transitions. [2020-12-03 12:39:27,625 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 376 transitions. Word has length 45 [2020-12-03 12:39:27,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:39:27,626 INFO L481 AbstractCegarLoop]: Abstraction has 249 states and 376 transitions. [2020-12-03 12:39:27,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:39:27,626 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 376 transitions. [2020-12-03 12:39:27,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-03 12:39:27,630 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:39:27,630 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] [2020-12-03 12:39:27,842 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-03 12:39:27,843 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:39:27,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:39:27,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1220225295, now seen corresponding path program 1 times [2020-12-03 12:39:27,845 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:39:27,845 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1218687385] [2020-12-03 12:39:27,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/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 [2020-12-03 12:39:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:39:28,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-03 12:39:28,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:39:28,216 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-03 12:39:28,217 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:39:28,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1218687385] [2020-12-03 12:39:28,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:39:28,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 12:39:28,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145086594] [2020-12-03 12:39:28,221 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:39:28,222 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:39:28,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:39:28,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:39:28,223 INFO L87 Difference]: Start difference. First operand 249 states and 376 transitions. Second operand 3 states. [2020-12-03 12:39:30,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:39:30,294 INFO L93 Difference]: Finished difference Result 488 states and 743 transitions. [2020-12-03 12:39:30,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:39:30,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-12-03 12:39:30,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:39:30,299 INFO L225 Difference]: With dead ends: 488 [2020-12-03 12:39:30,299 INFO L226 Difference]: Without dead ends: 366 [2020-12-03 12:39:30,300 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:39:30,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2020-12-03 12:39:30,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2020-12-03 12:39:30,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2020-12-03 12:39:30,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 552 transitions. [2020-12-03 12:39:30,346 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 552 transitions. Word has length 62 [2020-12-03 12:39:30,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:39:30,347 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 552 transitions. [2020-12-03 12:39:30,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:39:30,347 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 552 transitions. [2020-12-03 12:39:30,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-12-03 12:39:30,351 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:39:30,351 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] [2020-12-03 12:39:30,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-03 12:39:30,552 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:39:30,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:39:30,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1409260885, now seen corresponding path program 1 times [2020-12-03 12:39:30,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:39:30,554 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016897818] [2020-12-03 12:39:30,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/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 [2020-12-03 12:39:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-03 12:39:30,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-03 12:39:30,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-03 12:39:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-03 12:39:31,000 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-03 12:39:31,001 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2016897818] [2020-12-03 12:39:31,002 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-03 12:39:31,002 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-03 12:39:31,002 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60558207] [2020-12-03 12:39:31,003 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-03 12:39:31,003 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-03 12:39:31,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-03 12:39:31,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:39:31,005 INFO L87 Difference]: Start difference. First operand 366 states and 552 transitions. Second operand 3 states. [2020-12-03 12:39:33,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-03 12:39:33,087 INFO L93 Difference]: Finished difference Result 723 states and 1097 transitions. [2020-12-03 12:39:33,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-03 12:39:33,088 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2020-12-03 12:39:33,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-03 12:39:33,092 INFO L225 Difference]: With dead ends: 723 [2020-12-03 12:39:33,093 INFO L226 Difference]: Without dead ends: 484 [2020-12-03 12:39:33,095 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-03 12:39:33,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2020-12-03 12:39:33,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2020-12-03 12:39:33,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-12-03 12:39:33,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 730 transitions. [2020-12-03 12:39:33,127 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 730 transitions. Word has length 84 [2020-12-03 12:39:33,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-03 12:39:33,127 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 730 transitions. [2020-12-03 12:39:33,128 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-03 12:39:33,128 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 730 transitions. [2020-12-03 12:39:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-12-03 12:39:33,133 INFO L414 BasicCegarLoop]: Found error trace [2020-12-03 12:39:33,133 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] [2020-12-03 12:39:33,346 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-03 12:39:33,346 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-03 12:39:33,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-03 12:39:33,347 INFO L82 PathProgramCache]: Analyzing trace with hash -536013004, now seen corresponding path program 1 times [2020-12-03 12:39:33,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-03 12:39:33,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2046539857] [2020-12-03 12:39:33,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/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 [2020-12-03 12:39:33,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:39:33,980 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:39:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-03 12:39:34,527 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-03 12:39:34,775 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-03 12:39:34,775 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-03 12:39:34,998 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-03 12:39:35,188 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 12:39:35 BoogieIcfgContainer [2020-12-03 12:39:35,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-03 12:39:35,189 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-03 12:39:35,189 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-03 12:39:35,190 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-03 12:39:35,190 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:39:26" (3/4) ... [2020-12-03 12:39:35,192 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-03 12:39:35,342 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4c2b810a-625a-4442-93ae-36c0525c7494/bin/utaipan/witness.graphml [2020-12-03 12:39:35,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-03 12:39:35,344 INFO L168 Benchmark]: Toolchain (without parser) took 23435.39 ms. Allocated memory was 52.4 MB in the beginning and 113.2 MB in the end (delta: 60.8 MB). Free memory was 27.2 MB in the beginning and 45.6 MB in the end (delta: -18.3 MB). Peak memory consumption was 42.7 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:35,344 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 52.4 MB. Free memory was 34.6 MB in the beginning and 34.6 MB in the end (delta: 25.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-03 12:39:35,345 INFO L168 Benchmark]: CACSL2BoogieTranslator took 942.74 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.0 MB in the beginning and 32.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:35,345 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.06 ms. Allocated memory is still 65.0 MB. Free memory was 32.6 MB in the beginning and 28.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:35,346 INFO L168 Benchmark]: Boogie Preprocessor took 142.95 ms. Allocated memory is still 65.0 MB. Free memory was 28.0 MB in the beginning and 36.7 MB in the end (delta: -8.8 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:35,346 INFO L168 Benchmark]: RCFGBuilder took 13712.33 ms. Allocated memory was 65.0 MB in the beginning and 94.4 MB in the end (delta: 29.4 MB). Free memory was 36.5 MB in the beginning and 61.9 MB in the end (delta: -25.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:35,348 INFO L168 Benchmark]: TraceAbstraction took 8362.60 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 61.3 MB in the beginning and 62.3 MB in the end (delta: -1.0 MB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:35,349 INFO L168 Benchmark]: Witness Printer took 153.06 ms. Allocated memory is still 113.2 MB. Free memory was 62.3 MB in the beginning and 45.6 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-03 12:39:35,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 52.4 MB. Free memory was 34.6 MB in the beginning and 34.6 MB in the end (delta: 25.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 942.74 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.0 MB in the beginning and 32.6 MB in the end (delta: -5.6 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 113.06 ms. Allocated memory is still 65.0 MB. Free memory was 32.6 MB in the beginning and 28.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 142.95 ms. Allocated memory is still 65.0 MB. Free memory was 28.0 MB in the beginning and 36.7 MB in the end (delta: -8.8 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13712.33 ms. Allocated memory was 65.0 MB in the beginning and 94.4 MB in the end (delta: 29.4 MB). Free memory was 36.5 MB in the beginning and 61.9 MB in the end (delta: -25.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8362.60 ms. Allocated memory was 94.4 MB in the beginning and 113.2 MB in the end (delta: 18.9 MB). Free memory was 61.3 MB in the beginning and 62.3 MB in the end (delta: -1.0 MB). Peak memory consumption was 51.8 MB. Max. memory is 16.1 GB. * Witness Printer took 153.06 ms. Allocated memory is still 113.2 MB. Free memory was 62.3 MB in the beginning and 45.6 MB in the end (delta: 16.8 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: 1705]: 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={-2147483569:0}] [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 [L1083] BUF_MEM *buf ; [L1084] unsigned long l ; [L1085] unsigned long Time ; [L1086] unsigned long tmp ; [L1087] void (*cb)() ; [L1088] long num1 ; [L1089] int ret ; [L1090] int new_state ; [L1091] int state ; [L1092] int skip ; [L1093] int got_new_session ; [L1094] int tmp___1 = __VERIFIER_nondet_int() ; [L1095] int tmp___2 = __VERIFIER_nondet_int() ; [L1096] int tmp___3 = __VERIFIER_nondet_int() ; [L1097] int tmp___4 = __VERIFIER_nondet_int() ; [L1098] int tmp___5 = __VERIFIER_nondet_int() ; [L1099] int tmp___6 = __VERIFIER_nondet_int() ; [L1100] int tmp___7 ; [L1101] long tmp___8 = __VERIFIER_nondet_long() ; [L1102] int tmp___9 = __VERIFIER_nondet_int() ; [L1103] int tmp___10 = __VERIFIER_nondet_int() ; [L1104] int blastFlag ; [L1108] blastFlag = 0 [L1109] s->hit=__VERIFIER_nondet_int () [L1110] s->state = 8464 [L1111] tmp = __VERIFIER_nondet_int() [L1112] Time = tmp [L1113] cb = (void (*)())((void *)0) [L1114] ret = -1 [L1115] skip = 0 [L1116] got_new_session = 0 [L1117] EXPR s->info_callback VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1117] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1118] EXPR s->info_callback [L1118] cb = s->info_callback [L1122] EXPR s->in_handshake [L1122] s->in_handshake += 1 [L1123] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1132] EXPR s->cert VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1132] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1138] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1140] EXPR s->state [L1140] state = s->state [L1141] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1141] COND FALSE !(s->state == 12292) [L1144] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1144] COND FALSE !(s->state == 16384) [L1147] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1147] COND FALSE !(s->state == 8192) [L1150] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1150] COND FALSE !(s->state == 24576) [L1153] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1153] COND FALSE !(s->state == 8195) [L1156] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1156] COND FALSE !(s->state == 8480) [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1159] COND FALSE !(s->state == 8481) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1162] COND FALSE !(s->state == 8482) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1165] COND TRUE s->state == 8464 [L1325] s->shutdown = 0 [L1326] ret = __VERIFIER_nondet_int() [L1327] COND TRUE blastFlag == 0 [L1328] blastFlag = 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1332] COND FALSE !(ret <= 0) [L1337] got_new_session = 1 [L1338] s->state = 8496 [L1339] s->init_num = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1664] EXPR s->s3 [L1664] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1664] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1693] skip = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1138] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1140] EXPR s->state [L1140] state = s->state [L1141] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1141] COND FALSE !(s->state == 12292) [L1144] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1144] COND FALSE !(s->state == 16384) [L1147] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1147] COND FALSE !(s->state == 8192) [L1150] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1150] COND FALSE !(s->state == 24576) [L1153] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1153] COND FALSE !(s->state == 8195) [L1156] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1156] COND FALSE !(s->state == 8480) [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1159] COND FALSE !(s->state == 8481) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1162] COND FALSE !(s->state == 8482) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1165] COND FALSE !(s->state == 8464) [L1168] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1168] COND FALSE !(s->state == 8465) [L1171] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1171] COND FALSE !(s->state == 8466) [L1174] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1174] COND TRUE s->state == 8496 [L1343] ret = __VERIFIER_nondet_int() [L1344] COND TRUE blastFlag == 1 [L1345] blastFlag = 2 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1349] COND FALSE !(ret <= 0) [L1354] s->hit VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1354] COND TRUE s->hit [L1355] s->state = 8656 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1359] s->init_num = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1664] EXPR s->s3 [L1664] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1664] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1693] skip = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1138] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1140] EXPR s->state [L1140] state = s->state [L1141] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1141] COND FALSE !(s->state == 12292) [L1144] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1144] COND FALSE !(s->state == 16384) [L1147] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1147] COND FALSE !(s->state == 8192) [L1150] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1150] COND FALSE !(s->state == 24576) [L1153] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1153] COND FALSE !(s->state == 8195) [L1156] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1156] COND FALSE !(s->state == 8480) [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1159] COND FALSE !(s->state == 8481) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1162] COND FALSE !(s->state == 8482) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1165] COND FALSE !(s->state == 8464) [L1168] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1168] COND FALSE !(s->state == 8465) [L1171] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1171] COND FALSE !(s->state == 8466) [L1174] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1174] COND FALSE !(s->state == 8496) [L1177] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1177] COND FALSE !(s->state == 8497) [L1180] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1180] COND FALSE !(s->state == 8512) [L1183] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1183] COND FALSE !(s->state == 8513) [L1186] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1186] COND FALSE !(s->state == 8528) [L1189] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1189] COND FALSE !(s->state == 8529) [L1192] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1192] COND FALSE !(s->state == 8544) [L1195] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1195] COND FALSE !(s->state == 8545) [L1198] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1198] COND FALSE !(s->state == 8560) [L1201] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1201] COND FALSE !(s->state == 8561) [L1204] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1204] COND FALSE !(s->state == 8448) [L1207] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1207] COND FALSE !(s->state == 8576) [L1210] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1210] COND FALSE !(s->state == 8577) [L1213] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1213] COND FALSE !(s->state == 8592) [L1216] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1216] COND FALSE !(s->state == 8593) [L1219] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1219] COND FALSE !(s->state == 8608) [L1222] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1222] COND FALSE !(s->state == 8609) [L1225] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1225] COND FALSE !(s->state == 8640) [L1228] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1228] COND FALSE !(s->state == 8641) [L1231] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1231] COND TRUE s->state == 8656 [L1557] EXPR s->session [L1557] EXPR s->s3 [L1557] EXPR (s->s3)->tmp.new_cipher [L1557] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1558] COND FALSE !(! tmp___9) [L1564] ret = __VERIFIER_nondet_int() [L1565] COND TRUE blastFlag == 2 [L1566] blastFlag = 3 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1570] COND FALSE !(ret <= 0) [L1575] s->state = 8672 [L1576] s->init_num = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1577] COND FALSE !(! tmp___10) VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1664] EXPR s->s3 [L1664] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1664] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1693] skip = 0 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1138] COND TRUE 1 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1140] EXPR s->state [L1140] state = s->state [L1141] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1141] COND FALSE !(s->state == 12292) [L1144] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1144] COND FALSE !(s->state == 16384) [L1147] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1147] COND FALSE !(s->state == 8192) [L1150] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1150] COND FALSE !(s->state == 24576) [L1153] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1153] COND FALSE !(s->state == 8195) [L1156] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1156] COND FALSE !(s->state == 8480) [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1159] COND FALSE !(s->state == 8481) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1162] COND FALSE !(s->state == 8482) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1165] COND FALSE !(s->state == 8464) [L1168] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1168] COND FALSE !(s->state == 8465) [L1171] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1171] COND FALSE !(s->state == 8466) [L1174] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1174] COND FALSE !(s->state == 8496) [L1177] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1177] COND FALSE !(s->state == 8497) [L1180] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1180] COND FALSE !(s->state == 8512) [L1183] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1183] COND FALSE !(s->state == 8513) [L1186] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1186] COND FALSE !(s->state == 8528) [L1189] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1189] COND FALSE !(s->state == 8529) [L1192] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1192] COND FALSE !(s->state == 8544) [L1195] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1195] COND FALSE !(s->state == 8545) [L1198] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1198] COND FALSE !(s->state == 8560) [L1201] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1201] COND FALSE !(s->state == 8561) [L1204] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1204] COND FALSE !(s->state == 8448) [L1207] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1207] COND FALSE !(s->state == 8576) [L1210] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1210] COND FALSE !(s->state == 8577) [L1213] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1213] COND FALSE !(s->state == 8592) [L1216] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1216] COND FALSE !(s->state == 8593) [L1219] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1219] COND FALSE !(s->state == 8608) [L1222] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1222] COND FALSE !(s->state == 8609) [L1225] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1225] COND FALSE !(s->state == 8640) [L1228] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1228] COND FALSE !(s->state == 8641) [L1231] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1231] COND FALSE !(s->state == 8656) [L1234] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1234] COND FALSE !(s->state == 8657) [L1237] EXPR s->state VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1237] COND TRUE s->state == 8672 [L1586] ret = __VERIFIER_nondet_int() [L1587] COND TRUE blastFlag == 3 VAL [init=1, SSLv3_server_data={-2147483569:0}] [L1705] reach_error() VAL [init=1, SSLv3_server_data={-2147483569:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 143 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.0s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 967 SDtfs, 456 SDslu, 589 SDs, 0 SdLazy, 43 SolverSat, 12 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=484occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 316 NumberOfCodeBlocks, 316 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 40522 SizeOfPredicates, 0 NumberOfNonLiveVariables, 578 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 50/50 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...