./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/openssl/s3_clnt.blast.02.i.cil-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.02.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8 --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 b0edcf84130f28de31dd252113e98a7277e8f803d45945a4e4ab5373cd867bd6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:22:30,115 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:22:30,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:22:30,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:22:30,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:22:30,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:22:30,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:22:30,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:22:30,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:22:30,157 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:22:30,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:22:30,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:22:30,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:22:30,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:22:30,163 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:22:30,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:22:30,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:22:30,167 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:22:30,169 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:22:30,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:22:30,174 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:22:30,175 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:22:30,177 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:22:30,178 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:22:30,182 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:22:30,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:22:30,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:22:30,184 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:22:30,185 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:22:30,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:22:30,186 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:22:30,187 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:22:30,188 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:22:30,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:22:30,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:22:30,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:22:30,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:22:30,193 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:22:30,193 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:22:30,194 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:22:30,195 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:22:30,196 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:22:30,221 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:22:30,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:22:30,222 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:22:30,222 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:22:30,223 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:22:30,223 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:22:30,223 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:22:30,223 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:22:30,223 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:22:30,224 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:22:30,224 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:22:30,224 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:22:30,224 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:22:30,224 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:22:30,225 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:22:30,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:22:30,226 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:22:30,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:22:30,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:22:30,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:22:30,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:22:30,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:22:30,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:22:30,227 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:22:30,227 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:22:30,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:22:30,228 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:22:30,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:22:30,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:22:30,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:22:30,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:22:30,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:22:30,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:22:30,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:22:30,229 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:22:30,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:22:30,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:22:30,230 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:22:30,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:22:30,230 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_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0edcf84130f28de31dd252113e98a7277e8f803d45945a4e4ab5373cd867bd6 [2021-11-07 01:22:30,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:22:30,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:22:30,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:22:30,519 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:22:30,520 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:22:30,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/openssl/s3_clnt.blast.02.i.cil-2.c [2021-11-07 01:22:30,638 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/data/2e4e9617d/fabbd9c248734cd1a1592c8adf405025/FLAG8200afbb0 [2021-11-07 01:22:31,204 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:22:31,205 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/sv-benchmarks/c/openssl/s3_clnt.blast.02.i.cil-2.c [2021-11-07 01:22:31,230 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/data/2e4e9617d/fabbd9c248734cd1a1592c8adf405025/FLAG8200afbb0 [2021-11-07 01:22:31,483 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/data/2e4e9617d/fabbd9c248734cd1a1592c8adf405025 [2021-11-07 01:22:31,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:22:31,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:22:31,488 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:22:31,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:22:31,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:22:31,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:22:31" (1/1) ... [2021-11-07 01:22:31,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b08f299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:31, skipping insertion in model container [2021-11-07 01:22:31,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:22:31" (1/1) ... [2021-11-07 01:22:31,501 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:22:31,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:22:31,979 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/sv-benchmarks/c/openssl/s3_clnt.blast.02.i.cil-2.c[65398,65411] [2021-11-07 01:22:31,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:22:32,006 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) [2021-11-07 01:22:32,007 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3886d667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:32, skipping insertion in model container [2021-11-07 01:22:32,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:22:32,008 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-07 01:22:32,010 INFO L168 Benchmark]: Toolchain (without parser) took 522.45 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 57.5 MB in the beginning and 85.1 MB in the end (delta: -27.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:22:32,011 INFO L168 Benchmark]: CDTParser took 0.99 ms. Allocated memory is still 94.4 MB. Free memory was 67.3 MB in the beginning and 67.3 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:22:32,012 INFO L168 Benchmark]: CACSL2BoogieTranslator took 519.80 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 57.2 MB in the beginning and 85.1 MB in the end (delta: -27.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:22:32,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99 ms. Allocated memory is still 94.4 MB. Free memory was 67.3 MB in the beginning and 67.3 MB in the end (delta: 27.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 519.80 ms. Allocated memory was 94.4 MB in the beginning and 119.5 MB in the end (delta: 25.2 MB). Free memory was 57.2 MB in the beginning and 85.1 MB in the end (delta: -27.9 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: 1051]: 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/openssl/s3_clnt.blast.02.i.cil-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8 --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 b0edcf84130f28de31dd252113e98a7277e8f803d45945a4e4ab5373cd867bd6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:22:34,297 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:22:34,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:22:34,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:22:34,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:22:34,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:22:34,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:22:34,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:22:34,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:22:34,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:22:34,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:22:34,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:22:34,380 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:22:34,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:22:34,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:22:34,385 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:22:34,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:22:34,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:22:34,398 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:22:34,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:22:34,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:22:34,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:22:34,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:22:34,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:22:34,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:22:34,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:22:34,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:22:34,430 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:22:34,431 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:22:34,432 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:22:34,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:22:34,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:22:34,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:22:34,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:22:34,439 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:22:34,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:22:34,440 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:22:34,440 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:22:34,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:22:34,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:22:34,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:22:34,444 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-07 01:22:34,490 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:22:34,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:22:34,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:22:34,492 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:22:34,492 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:22:34,492 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:22:34,493 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:22:34,493 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:22:34,494 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:22:34,495 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:22:34,497 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:22:34,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:22:34,497 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:22:34,497 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:22:34,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:22:34,498 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:22:34,498 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:22:34,498 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-07 01:22:34,499 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-07 01:22:34,499 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:22:34,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:22:34,499 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:22:34,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:22:34,500 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:22:34,500 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 01:22:34,501 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:22:34,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:22:34,501 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:22:34,501 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:22:34,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:22:34,502 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-07 01:22:34,502 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-07 01:22:34,502 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:22:34,503 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:22:34,503 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:22:34,503 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_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0edcf84130f28de31dd252113e98a7277e8f803d45945a4e4ab5373cd867bd6 [2021-11-07 01:22:34,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:22:34,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:22:34,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:22:34,968 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:22:34,968 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:22:34,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/openssl/s3_clnt.blast.02.i.cil-2.c [2021-11-07 01:22:35,056 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/data/5eec08669/7f6e37fa380c498889781d3f24dd37ec/FLAGc0bd74bd1 [2021-11-07 01:22:35,825 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:22:35,825 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/sv-benchmarks/c/openssl/s3_clnt.blast.02.i.cil-2.c [2021-11-07 01:22:35,866 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/data/5eec08669/7f6e37fa380c498889781d3f24dd37ec/FLAGc0bd74bd1 [2021-11-07 01:22:36,029 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/data/5eec08669/7f6e37fa380c498889781d3f24dd37ec [2021-11-07 01:22:36,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:22:36,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:22:36,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:22:36,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:22:36,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:22:36,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:22:36" (1/1) ... [2021-11-07 01:22:36,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c6ac2fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:36, skipping insertion in model container [2021-11-07 01:22:36,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:22:36" (1/1) ... [2021-11-07 01:22:36,051 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:22:36,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:22:36,524 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/sv-benchmarks/c/openssl/s3_clnt.blast.02.i.cil-2.c[65398,65411] [2021-11-07 01:22:36,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:22:36,573 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-07 01:22:36,592 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:22:36,710 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/sv-benchmarks/c/openssl/s3_clnt.blast.02.i.cil-2.c[65398,65411] [2021-11-07 01:22:36,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:22:36,720 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:22:36,836 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/sv-benchmarks/c/openssl/s3_clnt.blast.02.i.cil-2.c[65398,65411] [2021-11-07 01:22:36,848 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:22:36,876 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:22:36,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:36 WrapperNode [2021-11-07 01:22:36,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:22:36,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:22:36,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:22:36,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:22:36,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:36" (1/1) ... [2021-11-07 01:22:36,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:36" (1/1) ... [2021-11-07 01:22:36,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:22:36,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:22:36,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:22:36,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:22:37,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:36" (1/1) ... [2021-11-07 01:22:37,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:36" (1/1) ... [2021-11-07 01:22:37,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:36" (1/1) ... [2021-11-07 01:22:37,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:36" (1/1) ... [2021-11-07 01:22:37,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:36" (1/1) ... [2021-11-07 01:22:37,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:36" (1/1) ... [2021-11-07 01:22:37,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:36" (1/1) ... [2021-11-07 01:22:37,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:22:37,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:22:37,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:22:37,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:22:37,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:36" (1/1) ... [2021-11-07 01:22:37,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:22:37,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:22:37,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:22:37,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:22:37,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-07 01:22:37,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 01:22:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:22:37,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-07 01:22:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 01:22:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 01:22:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:22:37,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:22:37,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-07 01:22:37,492 WARN L805 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-11-07 01:22:45,916 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2021-11-07 01:22:45,916 INFO L758 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2021-11-07 01:22:45,927 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:22:45,928 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-07 01:22:45,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:22:45 BoogieIcfgContainer [2021-11-07 01:22:45,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:22:45,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:22:45,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:22:45,935 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:22:45,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:22:36" (1/3) ... [2021-11-07 01:22:45,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f6e81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:22:45, skipping insertion in model container [2021-11-07 01:22:45,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:22:36" (2/3) ... [2021-11-07 01:22:45,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f6e81f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:22:45, skipping insertion in model container [2021-11-07 01:22:45,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:22:45" (3/3) ... [2021-11-07 01:22:45,938 INFO L111 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.02.i.cil-2.c [2021-11-07 01:22:45,944 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:22:45,944 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:22:46,008 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:22:46,014 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:22:46,015 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-07 01:22:46,046 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 127 states have (on average 1.7086614173228347) internal successors, (217), 128 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:46,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-07 01:22:46,052 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:22:46,055 INFO L513 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] [2021-11-07 01:22:46,056 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:22:46,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:22:46,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1457695037, now seen corresponding path program 1 times [2021-11-07 01:22:46,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:22:46,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508387292] [2021-11-07 01:22:46,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:22:46,083 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:22:46,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:22:46,089 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:22:46,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-07 01:22:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:22:46,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:22:46,369 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:22:46,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:22:46,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:22:46,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:22:46,688 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:22:46,689 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508387292] [2021-11-07 01:22:46,689 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1508387292] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:22:46,689 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:22:46,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:22:46,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216242909] [2021-11-07 01:22:46,696 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:22:46,697 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:22:46,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:22:46,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:22:46,713 INFO L87 Difference]: Start difference. First operand has 129 states, 127 states have (on average 1.7086614173228347) internal successors, (217), 128 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:46,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:22:46,840 INFO L93 Difference]: Finished difference Result 487 states and 823 transitions. [2021-11-07 01:22:46,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:22:46,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-11-07 01:22:46,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:22:46,856 INFO L225 Difference]: With dead ends: 487 [2021-11-07 01:22:46,856 INFO L226 Difference]: Without dead ends: 314 [2021-11-07 01:22:46,860 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:22:46,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2021-11-07 01:22:46,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 314. [2021-11-07 01:22:46,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 313 states have (on average 1.5047923322683705) internal successors, (471), 313 states have internal predecessors, (471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:46,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 471 transitions. [2021-11-07 01:22:46,923 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 471 transitions. Word has length 24 [2021-11-07 01:22:46,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:22:46,924 INFO L470 AbstractCegarLoop]: Abstraction has 314 states and 471 transitions. [2021-11-07 01:22:46,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:46,924 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 471 transitions. [2021-11-07 01:22:46,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-07 01:22:46,928 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:22:46,929 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2021-11-07 01:22:46,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-07 01:22:47,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:22:47,133 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:22:47,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:22:47,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1550083377, now seen corresponding path program 1 times [2021-11-07 01:22:47,135 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:22:47,136 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017009326] [2021-11-07 01:22:47,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:22:47,136 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:22:47,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:22:47,137 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:22:47,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-07 01:22:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:22:47,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:22:47,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:22:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:22:47,658 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:22:47,856 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 01:22:47,857 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:22:47,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017009326] [2021-11-07 01:22:47,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1017009326] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:22:47,857 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:22:47,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:22:47,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402205523] [2021-11-07 01:22:47,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:22:47,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:22:47,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:22:47,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:22:47,860 INFO L87 Difference]: Start difference. First operand 314 states and 471 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:50,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:22:50,067 INFO L93 Difference]: Finished difference Result 722 states and 1089 transitions. [2021-11-07 01:22:50,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:22:50,069 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2021-11-07 01:22:50,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:22:50,072 INFO L225 Difference]: With dead ends: 722 [2021-11-07 01:22:50,072 INFO L226 Difference]: Without dead ends: 515 [2021-11-07 01:22:50,074 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:22:50,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-11-07 01:22:50,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2021-11-07 01:22:50,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 514 states have (on average 1.4961089494163424) internal successors, (769), 514 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:50,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 769 transitions. [2021-11-07 01:22:50,118 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 769 transitions. Word has length 55 [2021-11-07 01:22:50,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:22:50,118 INFO L470 AbstractCegarLoop]: Abstraction has 515 states and 769 transitions. [2021-11-07 01:22:50,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:50,119 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 769 transitions. [2021-11-07 01:22:50,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-07 01:22:50,126 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:22:50,126 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 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] [2021-11-07 01:22:50,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-07 01:22:50,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:22:50,339 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:22:50,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:22:50,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1327788827, now seen corresponding path program 1 times [2021-11-07 01:22:50,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:22:50,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839009977] [2021-11-07 01:22:50,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:22:50,342 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:22:50,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:22:50,349 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:22:50,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-07 01:22:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:22:50,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-07 01:22:50,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:22:51,128 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-07 01:22:51,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-07 01:22:51,543 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-07 01:22:51,544 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:22:51,544 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1839009977] [2021-11-07 01:22:51,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1839009977] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-07 01:22:51,544 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:22:51,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-07 01:22:51,545 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098176754] [2021-11-07 01:22:51,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 01:22:51,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-07 01:22:51,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 01:22:51,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:22:51,547 INFO L87 Difference]: Start difference. First operand 515 states and 769 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:53,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 01:22:53,742 INFO L93 Difference]: Finished difference Result 1126 states and 1687 transitions. [2021-11-07 01:22:53,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 01:22:53,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2021-11-07 01:22:53,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 01:22:53,749 INFO L225 Difference]: With dead ends: 1126 [2021-11-07 01:22:53,749 INFO L226 Difference]: Without dead ends: 718 [2021-11-07 01:22:53,751 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-07 01:22:53,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2021-11-07 01:22:53,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 718. [2021-11-07 01:22:53,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 717 states have (on average 1.4909344490934449) internal successors, (1069), 717 states have internal predecessors, (1069), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:53,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 1069 transitions. [2021-11-07 01:22:53,789 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 1069 transitions. Word has length 94 [2021-11-07 01:22:53,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 01:22:53,789 INFO L470 AbstractCegarLoop]: Abstraction has 718 states and 1069 transitions. [2021-11-07 01:22:53,790 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:22:53,790 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1069 transitions. [2021-11-07 01:22:53,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-07 01:22:53,796 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:22:53,797 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 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] [2021-11-07 01:22:53,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-07 01:22:54,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:22:54,005 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:22:54,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:22:54,006 INFO L85 PathProgramCache]: Analyzing trace with hash -856312524, now seen corresponding path program 1 times [2021-11-07 01:22:54,008 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-07 01:22:54,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1766346875] [2021-11-07 01:22:54,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:22:54,008 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-07 01:22:54,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat [2021-11-07 01:22:54,010 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-07 01:22:54,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-07 01:22:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:22:55,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-07 01:22:55,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:23:02,304 WARN L207 SmtUtils]: Spent 7.08 s on a formula simplification that was a NOOP. DAG size: 19 [2021-11-07 01:23:02,305 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:23:02,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 4938 treesize of output 4458 [2021-11-07 01:23:42,675 WARN L207 SmtUtils]: Spent 40.29 s on a formula simplification that was a NOOP. DAG size: 23 [2021-11-07 01:23:42,675 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-07 01:23:42,676 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 4439 treesize of output 4067 [2021-11-07 01:35:27,464 WARN L228 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2021-11-07 01:35:27,465 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-07 01:35:27,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1766346875] [2021-11-07 01:35:27,465 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2021-11-07 01:35:27,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [202956906] [2021-11-07 01:35:27,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:35:27,466 INFO L168 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2021-11-07 01:35:27,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/cvc4 [2021-11-07 01:35:27,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2021-11-07 01:35:27,470 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2021-11-07 01:35:27,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2021-11-07 01:36:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:48,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-07 01:36:48,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:48,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-11-07 01:36:48,322 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344006427] [2021-11-07 01:36:48,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:36:48,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 01:36:48,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:36:48,330 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 01:36:48,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-07 01:36:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 01:36:48,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-07 01:36:48,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 01:36:48,739 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken [2021-11-07 01:36:48,739 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2021-11-07 01:36:48,740 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2021-11-07 01:36:48,740 ERROR L172 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2021-11-07 01:36:48,740 INFO L627 BasicCegarLoop]: Counterexample might be feasible [2021-11-07 01:36:48,752 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:36:48,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:48,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:49,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-07 01:36:49,355 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73cab951-5f79-4414-a60e-c4d9f2863728/bin/utaipan-UUZaoUuFF8/mathsat -unsat_core_generation=3 [2021-11-07 01:36:49,358 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-11-07 01:36:49,360 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:36:49,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:36:49 BoogieIcfgContainer [2021-11-07 01:36:49,423 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:36:49,424 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:36:49,424 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:36:49,427 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:36:49,428 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:22:45" (3/4) ... [2021-11-07 01:36:49,431 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-07 01:36:49,432 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:36:49,439 INFO L168 Benchmark]: Toolchain (without parser) took 853406.79 ms. Allocated memory was 52.4 MB in the beginning and 90.2 MB in the end (delta: 37.7 MB). Free memory was 27.1 MB in the beginning and 33.5 MB in the end (delta: -6.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:49,440 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 33.0 MB in the beginning and 33.0 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:36:49,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 841.77 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 26.9 MB in the beginning and 35.7 MB in the end (delta: -8.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:49,441 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.88 ms. Allocated memory is still 67.1 MB. Free memory was 35.7 MB in the beginning and 31.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:49,447 INFO L168 Benchmark]: Boogie Preprocessor took 149.79 ms. Allocated memory is still 67.1 MB. Free memory was 31.0 MB in the beginning and 41.4 MB in the end (delta: -10.4 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:49,447 INFO L168 Benchmark]: RCFGBuilder took 8783.60 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 41.4 MB in the beginning and 49.8 MB in the end (delta: -8.4 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:49,448 INFO L168 Benchmark]: TraceAbstraction took 843491.47 ms. Allocated memory is still 90.2 MB. Free memory was 49.0 MB in the beginning and 34.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. [2021-11-07 01:36:49,448 INFO L168 Benchmark]: Witness Printer took 14.84 ms. Allocated memory is still 90.2 MB. Free memory was 34.2 MB in the beginning and 33.5 MB in the end (delta: 723.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:36:49,451 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 52.4 MB. Free memory was 33.0 MB in the beginning and 33.0 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 841.77 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 26.9 MB in the beginning and 35.7 MB in the end (delta: -8.7 MB). Peak memory consumption was 14.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 117.88 ms. Allocated memory is still 67.1 MB. Free memory was 35.7 MB in the beginning and 31.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 149.79 ms. Allocated memory is still 67.1 MB. Free memory was 31.0 MB in the beginning and 41.4 MB in the end (delta: -10.4 MB). Peak memory consumption was 3.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8783.60 ms. Allocated memory was 67.1 MB in the beginning and 90.2 MB in the end (delta: 23.1 MB). Free memory was 41.4 MB in the beginning and 49.8 MB in the end (delta: -8.4 MB). Peak memory consumption was 39.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 843491.47 ms. Allocated memory is still 90.2 MB. Free memory was 49.0 MB in the beginning and 34.2 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.9 MB. Max. memory is 16.1 GB. * Witness Printer took 14.84 ms. Allocated memory is still 90.2 MB. Free memory was 34.2 MB in the beginning and 33.5 MB in the end (delta: 723.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1666]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L1055] static int init = 1; [L1056] static SSL_METHOD SSLv3_client_data ; [L1078] SSL *s = (SSL*)malloc(sizeof(SSL)) ; [L1082] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1083] s->ctx = malloc(sizeof(SSL_CTX)) [L1084] s->session = malloc(sizeof(SSL_SESSION)) [L1085] s->state = 12292 [L1086] s->version = __VERIFIER_nondet_int() [L1088] s->info_callback = (void (*)()) __VERIFIER_nondet_ulong() [L1089] EXPR s->ctx [L1089] (s->ctx)->info_callback = (void (*)()) __VERIFIER_nondet_ulong() [L1090] s->init_buf = (BUF_MEM *)__VERIFIER_nondet_ulong() [L1091] s->bbio = (BIO *) __VERIFIER_nondet_ulong() [L1092] s->wbio = (BIO *) __VERIFIER_nondet_ulong() [L1093] EXPR s->s3 [L1093] (s->s3)->flags = __VERIFIER_nondet_long() [L1094] EXPR s->s3 [L1094] (s->s3)->tmp.cert_req = __VERIFIER_nondet_int() [L1095] EXPR s->s3 [L1095] (s->s3)->tmp.new_cipher = malloc(sizeof(struct ssl_cipher_st)) [L1096] EXPR s->s3 [L1096] EXPR (s->s3)->tmp.new_cipher [L1096] ((s->s3)->tmp.new_cipher)->algorithms = __VERIFIER_nondet_ulong() [L1097] EXPR s->s3 [L1097] (s->s3)->tmp.next_state = __VERIFIER_nondet_int() [L1105] BUF_MEM *buf ; [L1106] unsigned long tmp ; [L1107] unsigned long l ; [L1108] long num1 ; [L1109] void (*cb)() ; [L1110] int ret ; [L1111] int new_state ; [L1112] int state ; [L1113] int skip ; [L1114] int tmp___1 = __VERIFIER_nondet_int() ; [L1115] int tmp___2 = __VERIFIER_nondet_int() ; [L1116] int tmp___3 = __VERIFIER_nondet_int() ; [L1117] int tmp___4 = __VERIFIER_nondet_int() ; [L1118] int tmp___5 = __VERIFIER_nondet_int() ; [L1119] int tmp___6 = __VERIFIER_nondet_int() ; [L1120] int tmp___7 = __VERIFIER_nondet_int() ; [L1121] int tmp___8 = __VERIFIER_nondet_int() ; [L1122] long tmp___9 = __VERIFIER_nondet_long() ; [L1123] int blastFlag ; [L1126] blastFlag = 0 [L1127] s->hit=__VERIFIER_nondet_int () [L1128] s->state = 12292 [L1129] tmp = __VERIFIER_nondet_int() [L1130] cb = (void (*)())((void *)0) [L1131] ret = -1 [L1132] skip = 0 [L1133] EXPR s->info_callback [L1133] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1134] EXPR s->info_callback [L1134] cb = s->info_callback [L1142] EXPR s->in_handshake [L1142] s->in_handshake += 1 [L1143] COND FALSE !(tmp___1 & 12288) [L1153] COND TRUE 1 [L1155] EXPR s->state [L1155] state = s->state [L1156] EXPR s->state [L1156] COND FALSE !(s->state == 12292) [L1159] EXPR s->state [L1159] COND FALSE !(s->state == 16384) [L1162] EXPR s->state [L1162] COND FALSE !(s->state == 4096) [L1165] EXPR s->state [L1165] COND FALSE !(s->state == 20480) [L1168] EXPR s->state [L1168] COND FALSE !(s->state == 4099) [L1171] EXPR s->state [L1171] COND TRUE s->state == 4368 [L1315] s->shutdown = 0 [L1316] ret = __VERIFIER_nondet_int() [L1317] COND TRUE blastFlag == 0 [L1318] blastFlag = 1 [L1326] COND FALSE !(ret <= 0) [L1331] s->state = 4384 [L1332] s->init_num = 0 [L1333] EXPR s->bbio [L1333] EXPR s->wbio [L1333] COND TRUE (unsigned long )s->bbio != (unsigned long )s->wbio [L1625] EXPR s->s3 [L1625] EXPR (s->s3)->tmp.reuse_message [L1625] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1654] skip = 0 [L1153] COND TRUE 1 [L1155] EXPR s->state [L1155] state = s->state [L1156] EXPR s->state [L1156] COND FALSE !(s->state == 12292) [L1159] EXPR s->state [L1159] COND FALSE !(s->state == 16384) [L1162] EXPR s->state [L1162] COND FALSE !(s->state == 4096) [L1165] EXPR s->state [L1165] COND FALSE !(s->state == 20480) [L1168] EXPR s->state [L1168] COND FALSE !(s->state == 4099) [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 4368) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 4369) [L1177] EXPR s->state [L1177] COND TRUE s->state == 4384 [L1341] ret = __VERIFIER_nondet_int() [L1342] COND TRUE blastFlag == 1 [L1343] blastFlag = 2 [L1347] COND FALSE !(ret <= 0) [L1352] s->hit [L1352] COND TRUE s->hit [L1353] s->state = 4560 [L1357] s->init_num = 0 [L1625] EXPR s->s3 [L1625] EXPR (s->s3)->tmp.reuse_message [L1625] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1654] skip = 0 [L1153] COND TRUE 1 [L1155] EXPR s->state [L1155] state = s->state [L1156] EXPR s->state [L1156] COND FALSE !(s->state == 12292) [L1159] EXPR s->state [L1159] COND FALSE !(s->state == 16384) [L1162] EXPR s->state [L1162] COND FALSE !(s->state == 4096) [L1165] EXPR s->state [L1165] COND FALSE !(s->state == 20480) [L1168] EXPR s->state [L1168] COND FALSE !(s->state == 4099) [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 4368) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 4369) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 4384) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 4385) [L1183] EXPR s->state [L1183] COND TRUE s->state == 4400 [L1361] EXPR s->s3 [L1361] EXPR (s->s3)->tmp.new_cipher [L1361] EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1361] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1364] ret = __VERIFIER_nondet_int() [L1365] COND TRUE blastFlag == 2 [L1366] blastFlag = 3 [L1370] COND FALSE !(ret <= 0) [L1376] s->state = 4416 [L1377] s->init_num = 0 [L1625] EXPR s->s3 [L1625] EXPR (s->s3)->tmp.reuse_message [L1625] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1654] skip = 0 [L1153] COND TRUE 1 [L1155] EXPR s->state [L1155] state = s->state [L1156] EXPR s->state [L1156] COND FALSE !(s->state == 12292) [L1159] EXPR s->state [L1159] COND FALSE !(s->state == 16384) [L1162] EXPR s->state [L1162] COND FALSE !(s->state == 4096) [L1165] EXPR s->state [L1165] COND FALSE !(s->state == 20480) [L1168] EXPR s->state [L1168] COND FALSE !(s->state == 4099) [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 4368) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 4369) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 4384) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 4385) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 4400) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 4401) [L1189] EXPR s->state [L1189] COND TRUE s->state == 4416 [L1381] ret = __VERIFIER_nondet_int() [L1382] COND TRUE blastFlag == 3 [L1383] blastFlag = 4 [L1387] COND FALSE !(ret <= 0) [L1392] s->state = 4432 [L1393] s->init_num = 0 [L1394] COND FALSE !(! tmp___6) [L1625] EXPR s->s3 [L1625] EXPR (s->s3)->tmp.reuse_message [L1625] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1654] skip = 0 [L1153] COND TRUE 1 [L1155] EXPR s->state [L1155] state = s->state [L1156] EXPR s->state [L1156] COND FALSE !(s->state == 12292) [L1159] EXPR s->state [L1159] COND FALSE !(s->state == 16384) [L1162] EXPR s->state [L1162] COND FALSE !(s->state == 4096) [L1165] EXPR s->state [L1165] COND FALSE !(s->state == 20480) [L1168] EXPR s->state [L1168] COND FALSE !(s->state == 4099) [L1171] EXPR s->state [L1171] COND TRUE s->state == 4368 [L1315] s->shutdown = 0 [L1316] ret = __VERIFIER_nondet_int() [L1317] COND FALSE !(blastFlag == 0) [L1320] COND TRUE blastFlag == 4 [L1321] blastFlag = 5 [L1326] COND FALSE !(ret <= 0) [L1331] s->state = 4384 [L1332] s->init_num = 0 [L1333] EXPR s->bbio [L1333] EXPR s->wbio [L1333] COND TRUE (unsigned long )s->bbio != (unsigned long )s->wbio [L1625] EXPR s->s3 [L1625] EXPR (s->s3)->tmp.reuse_message [L1625] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1654] skip = 0 [L1153] COND TRUE 1 [L1155] EXPR s->state [L1155] state = s->state [L1156] EXPR s->state [L1156] COND FALSE !(s->state == 12292) [L1159] EXPR s->state [L1159] COND FALSE !(s->state == 16384) [L1162] EXPR s->state [L1162] COND FALSE !(s->state == 4096) [L1165] EXPR s->state [L1165] COND FALSE !(s->state == 20480) [L1168] EXPR s->state [L1168] COND FALSE !(s->state == 4099) [L1171] EXPR s->state [L1171] COND FALSE !(s->state == 4368) [L1174] EXPR s->state [L1174] COND FALSE !(s->state == 4369) [L1177] EXPR s->state [L1177] COND FALSE !(s->state == 4384) [L1180] EXPR s->state [L1180] COND FALSE !(s->state == 4385) [L1183] EXPR s->state [L1183] COND FALSE !(s->state == 4400) [L1186] EXPR s->state [L1186] COND FALSE !(s->state == 4401) [L1189] EXPR s->state [L1189] COND FALSE !(s->state == 4416) [L1192] EXPR s->state [L1192] COND FALSE !(s->state == 4417) [L1195] EXPR s->state [L1195] COND TRUE s->state == 4432 [L1403] ret = __VERIFIER_nondet_int() [L1404] COND TRUE blastFlag == 5 [L1666] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 843.3s, OverallIterations: 4, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 801 SDtfs, 905 SDslu, 980 SDs, 0 SdLazy, 93 SolverSat, 35 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 4.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 340 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=718occurred in iteration=3, InterpolantAutomatonStates: 12, 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: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 754.0s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 340 ConstructedInterpolants, 0 QuantifiedInterpolants, 635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 909 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 286/286 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN