./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh/s3_clnt.blast.03.i.cil-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_clnt.blast.03.i.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed035556db4b60d2bb3e3e70af5f975a04e628c4 ...................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_clnt.blast.03.i.cil-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ed035556db4b60d2bb3e3e70af5f975a04e628c4 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:46:47,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:46:47,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:46:47,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:46:47,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:46:47,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:46:47,245 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:46:47,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:46:47,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:46:47,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:46:47,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:46:47,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:46:47,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:46:47,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:46:47,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:46:47,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:46:47,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:46:47,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:46:47,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:46:47,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:46:47,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:46:47,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:46:47,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:46:47,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:46:47,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:46:47,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:46:47,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:46:47,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:46:47,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:46:47,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:46:47,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:46:47,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:46:47,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:46:47,269 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:46:47,270 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:46:47,270 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:46:47,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:46:47,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:46:47,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:46:47,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:46:47,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:46:47,273 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:46:47,285 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:46:47,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:46:47,286 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:46:47,286 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:46:47,286 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:46:47,286 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:46:47,287 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:46:47,287 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:46:47,287 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:46:47,287 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:46:47,287 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:46:47,287 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:46:47,287 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:46:47,288 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:46:47,288 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:46:47,288 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:46:47,288 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:46:47,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:46:47,289 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:46:47,289 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:46:47,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:46:47,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:46:47,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:46:47,289 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:46:47,289 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:46:47,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:46:47,290 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:46:47,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:46:47,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:46:47,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:46:47,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:46:47,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:46:47,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:46:47,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:46:47,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:46:47,291 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:46:47,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:46:47,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:46:47,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:46:47,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:46:47,291 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_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 -> ed035556db4b60d2bb3e3e70af5f975a04e628c4 [2019-12-07 20:46:47,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:46:47,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:46:47,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:46:47,410 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:46:47,410 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:46:47,411 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/../../sv-benchmarks/c/ssh/s3_clnt.blast.03.i.cil-1.c [2019-12-07 20:46:47,458 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/data/9b0bc41a4/9516affb06544b269cbeae21bab1b749/FLAGbec9b8efb [2019-12-07 20:46:47,844 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:46:47,844 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/sv-benchmarks/c/ssh/s3_clnt.blast.03.i.cil-1.c [2019-12-07 20:46:47,856 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/data/9b0bc41a4/9516affb06544b269cbeae21bab1b749/FLAGbec9b8efb [2019-12-07 20:46:47,864 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/data/9b0bc41a4/9516affb06544b269cbeae21bab1b749 [2019-12-07 20:46:47,866 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:46:47,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:46:47,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:46:47,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:46:47,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:46:47,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:46:47" (1/1) ... [2019-12-07 20:46:47,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c29aad5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:47, skipping insertion in model container [2019-12-07 20:46:47,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:46:47" (1/1) ... [2019-12-07 20:46:47,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:46:47,910 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:46:48,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:46:48,191 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) [2019-12-07 20:46:48,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69bfdf74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:48, skipping insertion in model container [2019-12-07 20:46:48,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:46:48,192 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 20:46:48,193 INFO L168 Benchmark]: Toolchain (without parser) took 325.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:46:48,193 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:46:48,194 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:46:48,195 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 323.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -158.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1038]: Unsupported Syntax Found a cast between two array/pointer types where the value type is smaller than the cast-to type while using memory model HoenickeLindenmann_Original (while Not using bitvector translation) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 20:46:49,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:46:49,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:46:49,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:46:49,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:46:49,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:46:49,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:46:49,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:46:49,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:46:49,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:46:49,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:46:49,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:46:49,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:46:49,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:46:49,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:46:49,317 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:46:49,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:46:49,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:46:49,320 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:46:49,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:46:49,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:46:49,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:46:49,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:46:49,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:46:49,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:46:49,327 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:46:49,327 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:46:49,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:46:49,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:46:49,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:46:49,328 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:46:49,329 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:46:49,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:46:49,330 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:46:49,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:46:49,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:46:49,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:46:49,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:46:49,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:46:49,332 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:46:49,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:46:49,333 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:46:49,343 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:46:49,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:46:49,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:46:49,344 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:46:49,344 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:46:49,344 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:46:49,344 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:46:49,344 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:46:49,344 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:46:49,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:46:49,345 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:46:49,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:46:49,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:46:49,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:46:49,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:46:49,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:46:49,346 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:46:49,346 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:46:49,346 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:46:49,346 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:46:49,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:46:49,346 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:46:49,346 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:46:49,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:46:49,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:46:49,347 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:46:49,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:46:49,347 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:46:49,347 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:46:49,347 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:46:49,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:46:49,348 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:46:49,348 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:46:49,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:46:49,348 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:46:49,348 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:46:49,348 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_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 -> ed035556db4b60d2bb3e3e70af5f975a04e628c4 [2019-12-07 20:46:49,508 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:46:49,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:46:49,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:46:49,519 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:46:49,519 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:46:49,520 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/../../sv-benchmarks/c/ssh/s3_clnt.blast.03.i.cil-1.c [2019-12-07 20:46:49,558 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/data/28874659d/5868cb010a314fdfbe0810777d74a277/FLAG8887742c9 [2019-12-07 20:46:50,062 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:46:50,063 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/sv-benchmarks/c/ssh/s3_clnt.blast.03.i.cil-1.c [2019-12-07 20:46:50,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/data/28874659d/5868cb010a314fdfbe0810777d74a277/FLAG8887742c9 [2019-12-07 20:46:50,587 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/data/28874659d/5868cb010a314fdfbe0810777d74a277 [2019-12-07 20:46:50,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:46:50,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:46:50,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:46:50,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:46:50,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:46:50,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:46:50" (1/1) ... [2019-12-07 20:46:50,594 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf9ed9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:50, skipping insertion in model container [2019-12-07 20:46:50,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:46:50" (1/1) ... [2019-12-07 20:46:50,599 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:46:50,632 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:46:50,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:46:50,925 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 20:46:50,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:46:50,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:46:50,996 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:46:51,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:46:51,065 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:46:51,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:51 WrapperNode [2019-12-07 20:46:51,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:46:51,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:46:51,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:46:51,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:46:51,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:51" (1/1) ... [2019-12-07 20:46:51,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:51" (1/1) ... [2019-12-07 20:46:51,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:46:51,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:46:51,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:46:51,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:46:51,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:51" (1/1) ... [2019-12-07 20:46:51,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:51" (1/1) ... [2019-12-07 20:46:51,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:51" (1/1) ... [2019-12-07 20:46:51,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:51" (1/1) ... [2019-12-07 20:46:51,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:51" (1/1) ... [2019-12-07 20:46:51,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:51" (1/1) ... [2019-12-07 20:46:51,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:51" (1/1) ... [2019-12-07 20:46:51,171 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:46:51,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:46:51,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:46:51,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:46:51,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:46:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 20:46:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:46:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 20:46:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 20:46:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 20:46:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:46:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:46:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 20:46:51,356 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 20:47:01,298 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##85: assume !false; [2019-12-07 20:47:01,298 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##84: assume false; [2019-12-07 20:47:01,300 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:47:01,300 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 20:47:01,301 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:47:01 BoogieIcfgContainer [2019-12-07 20:47:01,301 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:47:01,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:47:01,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:47:01,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:47:01,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:46:50" (1/3) ... [2019-12-07 20:47:01,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668cfd98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:47:01, skipping insertion in model container [2019-12-07 20:47:01,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:46:51" (2/3) ... [2019-12-07 20:47:01,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668cfd98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:47:01, skipping insertion in model container [2019-12-07 20:47:01,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:47:01" (3/3) ... [2019-12-07 20:47:01,307 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_clnt.blast.03.i.cil-1.c [2019-12-07 20:47:01,314 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:47:01,319 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:47:01,326 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:47:01,345 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:47:01,345 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:47:01,345 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:47:01,345 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:47:01,345 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:47:01,345 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:47:01,345 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:47:01,346 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:47:01,359 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2019-12-07 20:47:01,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-12-07 20:47:01,364 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:47:01,365 INFO L410 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] [2019-12-07 20:47:01,365 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:47:01,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:47:01,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1457695037, now seen corresponding path program 1 times [2019-12-07 20:47:01,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:47:01,378 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1571952865] [2019-12-07 20:47:01,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 20:47:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:47:01,524 INFO L264 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:47:01,531 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:47:01,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:47:01,562 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:47:01,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:47:01,575 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1571952865] [2019-12-07 20:47:01,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:47:01,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:47:01,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650551876] [2019-12-07 20:47:01,581 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:47:01,581 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:47:01,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:47:01,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:47:01,596 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 4 states. [2019-12-07 20:47:01,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:47:01,695 INFO L93 Difference]: Finished difference Result 485 states and 820 transitions. [2019-12-07 20:47:01,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:47:01,696 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-12-07 20:47:01,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:47:01,707 INFO L225 Difference]: With dead ends: 485 [2019-12-07 20:47:01,707 INFO L226 Difference]: Without dead ends: 312 [2019-12-07 20:47:01,710 INFO L630 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 [2019-12-07 20:47:01,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2019-12-07 20:47:01,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2019-12-07 20:47:01,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-12-07 20:47:01,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 467 transitions. [2019-12-07 20:47:01,754 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 467 transitions. Word has length 24 [2019-12-07 20:47:01,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:47:01,754 INFO L462 AbstractCegarLoop]: Abstraction has 312 states and 467 transitions. [2019-12-07 20:47:01,754 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:47:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 467 transitions. [2019-12-07 20:47:01,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-12-07 20:47:01,757 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:47:01,757 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:47:01,958 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:47:01,959 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:47:01,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:47:01,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1854239308, now seen corresponding path program 1 times [2019-12-07 20:47:01,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:47:01,961 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [7058661] [2019-12-07 20:47:01,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 20:47:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:47:02,161 INFO L264 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 20:47:02,164 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:47:02,176 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:47:02,176 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:47:02,189 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:47:02,189 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [7058661] [2019-12-07 20:47:02,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:47:02,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 20:47:02,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340302650] [2019-12-07 20:47:02,191 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 20:47:02,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:47:02,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 20:47:02,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:47:02,192 INFO L87 Difference]: Start difference. First operand 312 states and 467 transitions. Second operand 4 states. [2019-12-07 20:47:04,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:47:04,260 INFO L93 Difference]: Finished difference Result 716 states and 1078 transitions. [2019-12-07 20:47:04,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:47:04,260 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 60 [2019-12-07 20:47:04,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:47:04,264 INFO L225 Difference]: With dead ends: 716 [2019-12-07 20:47:04,264 INFO L226 Difference]: Without dead ends: 512 [2019-12-07 20:47:04,265 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 20:47:04,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2019-12-07 20:47:04,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2019-12-07 20:47:04,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-12-07 20:47:04,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 764 transitions. [2019-12-07 20:47:04,290 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 764 transitions. Word has length 60 [2019-12-07 20:47:04,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:47:04,290 INFO L462 AbstractCegarLoop]: Abstraction has 512 states and 764 transitions. [2019-12-07 20:47:04,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 20:47:04,291 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 764 transitions. [2019-12-07 20:47:04,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-12-07 20:47:04,295 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:47:04,295 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:47:04,496 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:47:04,496 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:47:04,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:47:04,497 INFO L82 PathProgramCache]: Analyzing trace with hash 922615118, now seen corresponding path program 1 times [2019-12-07 20:47:04,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:47:04,499 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1752598828] [2019-12-07 20:47:04,500 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 20:47:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:47:04,893 INFO L264 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:47:04,902 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:47:04,932 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 20:47:04,933 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 20:47:04,934 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 20:47:04,935 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 20:47:04,936 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-12-07 20:47:04,937 INFO L172 IndexEqualityManager]: detected equality via solver [2019-12-07 20:56:36,755 WARN L194 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2019-12-07 20:56:36,756 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1752598828] [2019-12-07 20:56:36,756 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") [2019-12-07 20:56:36,757 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1392735163] [2019-12-07 20:56:36,757 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-12-07 20:56:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:56:37,551 INFO L264 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 20:56:37,552 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken [2019-12-07 20:56:37,552 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726133482] [2019-12-07 20:56:37,552 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96d8acb2-d90d-41fb-ad66-a2d8970d0f4b/bin/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:56:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:56:37,693 INFO L264 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 20:56:37,696 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:56:37,698 INFO L343 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: ManagedScript already locked by |v_#memory_int_167| [2019-12-07 20:56:37,698 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:56:37,698 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2019-12-07 20:56:37,698 ERROR L206 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2019-12-07 20:56:37,698 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:56:38,303 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3,5 cvc4 --incremental --print-success --lang smt --rewrite-divk,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 20:56:38,330 WARN L229 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2019-12-07 20:56:38,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:56:38 BoogieIcfgContainer [2019-12-07 20:56:38,330 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:56:38,330 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:56:38,330 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:56:38,330 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:56:38,331 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:47:01" (3/4) ... [2019-12-07 20:56:38,333 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:56:38,333 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:56:38,334 INFO L168 Benchmark]: Toolchain (without parser) took 587744.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 948.4 MB in the beginning and 818.1 MB in the end (delta: 130.3 MB). Peak memory consumption was 315.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:56:38,334 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:56:38,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -113.7 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:56:38,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:56:38,335 INFO L168 Benchmark]: Boogie Preprocessor took 51.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:56:38,336 INFO L168 Benchmark]: RCFGBuilder took 10130.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 922.7 MB in the end (delta: 125.9 MB). Peak memory consumption was 125.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:56:38,336 INFO L168 Benchmark]: TraceAbstraction took 577027.60 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 922.7 MB in the beginning and 818.1 MB in the end (delta: 104.6 MB). Peak memory consumption was 180.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:56:38,336 INFO L168 Benchmark]: Witness Printer took 2.73 ms. Allocated memory is still 1.2 GB. Free memory is still 818.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:56:38,338 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 475.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.6 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -113.7 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10130.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 922.7 MB in the end (delta: 125.9 MB). Peak memory consumption was 125.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 577027.60 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 922.7 MB in the beginning and 818.1 MB in the end (delta: 104.6 MB). Peak memory consumption was 180.7 MB. Max. memory is 11.5 GB. * Witness Printer took 2.73 ms. Allocated memory is still 1.2 GB. Free memory is still 818.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1641]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L1042] static int init = 1; [L1043] static SSL_METHOD SSLv3_client_data ; [L1065] SSL *s = (SSL*)malloc(sizeof(SSL)) ; [L1069] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1070] s->ctx = malloc(sizeof(SSL_CTX)) [L1071] s->session = malloc(sizeof(SSL_SESSION)) [L1072] s->state = 12292 [L1073] s->version = __VERIFIER_nondet_int() [L1080] BUF_MEM *buf ; [L1081] unsigned long tmp ; [L1082] unsigned long l ; [L1083] long num1 ; [L1084] void (*cb)() ; [L1085] int ret ; [L1086] int new_state ; [L1087] int state ; [L1088] int skip ; [L1089] int tmp___1 = __VERIFIER_nondet_int() ; [L1090] int tmp___2 = __VERIFIER_nondet_int() ; [L1091] int tmp___3 = __VERIFIER_nondet_int() ; [L1092] int tmp___4 = __VERIFIER_nondet_int() ; [L1093] int tmp___5 = __VERIFIER_nondet_int() ; [L1094] int tmp___6 = __VERIFIER_nondet_int() ; [L1095] int tmp___7 = __VERIFIER_nondet_int() ; [L1096] int tmp___8 = __VERIFIER_nondet_int() ; [L1097] long tmp___9 = __VERIFIER_nondet_long() ; [L1098] int blastFlag ; [L1101] blastFlag = 0 [L1102] s->hit=__VERIFIER_nondet_int () [L1103] s->state = 12292 [L1104] tmp = __VERIFIER_nondet_int() [L1105] cb = (void (*)())((void *)0) [L1106] ret = -1 [L1107] skip = 0 [L1108] EXPR s->info_callback [L1108] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1109] EXPR s->info_callback [L1109] cb = s->info_callback [L1117] EXPR s->in_handshake [L1117] s->in_handshake += 1 [L1118] COND FALSE !(tmp___1 & 12288) [L1128] COND TRUE 1 [L1130] EXPR s->state [L1130] state = s->state [L1131] EXPR s->state [L1131] COND FALSE !(s->state == 12292) [L1134] EXPR s->state [L1134] COND FALSE !(s->state == 16384) [L1137] EXPR s->state [L1137] COND FALSE !(s->state == 4096) [L1140] EXPR s->state [L1140] COND FALSE !(s->state == 20480) [L1143] EXPR s->state [L1143] COND FALSE !(s->state == 4099) [L1146] EXPR s->state [L1146] COND TRUE s->state == 4368 [L1290] s->shutdown = 0 [L1291] ret = __VERIFIER_nondet_int() [L1292] COND TRUE blastFlag == 0 [L1293] blastFlag = 1 [L1297] COND FALSE !(ret <= 0) [L1302] s->state = 4384 [L1303] s->init_num = 0 [L1304] EXPR s->bbio [L1304] EXPR s->wbio [L1304] COND TRUE (unsigned long )s->bbio != (unsigned long )s->wbio [L1600] EXPR s->s3 [L1600] EXPR (s->s3)->tmp.reuse_message [L1600] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1629] skip = 0 [L1128] COND TRUE 1 [L1130] EXPR s->state [L1130] state = s->state [L1131] EXPR s->state [L1131] COND FALSE !(s->state == 12292) [L1134] EXPR s->state [L1134] COND FALSE !(s->state == 16384) [L1137] EXPR s->state [L1137] COND FALSE !(s->state == 4096) [L1140] EXPR s->state [L1140] COND FALSE !(s->state == 20480) [L1143] EXPR s->state [L1143] COND FALSE !(s->state == 4099) [L1146] EXPR s->state [L1146] COND FALSE !(s->state == 4368) [L1149] EXPR s->state [L1149] COND FALSE !(s->state == 4369) [L1152] EXPR s->state [L1152] COND TRUE s->state == 4384 [L1312] ret = __VERIFIER_nondet_int() [L1313] COND TRUE blastFlag == 1 [L1314] blastFlag = 2 [L1322] COND FALSE !(ret <= 0) [L1327] s->hit [L1327] COND TRUE s->hit [L1328] s->state = 4560 [L1332] s->init_num = 0 [L1600] EXPR s->s3 [L1600] EXPR (s->s3)->tmp.reuse_message [L1600] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1629] skip = 0 [L1128] COND TRUE 1 [L1130] EXPR s->state [L1130] state = s->state [L1131] EXPR s->state [L1131] COND FALSE !(s->state == 12292) [L1134] EXPR s->state [L1134] COND FALSE !(s->state == 16384) [L1137] EXPR s->state [L1137] COND FALSE !(s->state == 4096) [L1140] EXPR s->state [L1140] COND FALSE !(s->state == 20480) [L1143] EXPR s->state [L1143] COND FALSE !(s->state == 4099) [L1146] EXPR s->state [L1146] COND FALSE !(s->state == 4368) [L1149] EXPR s->state [L1149] COND FALSE !(s->state == 4369) [L1152] EXPR s->state [L1152] COND FALSE !(s->state == 4384) [L1155] EXPR s->state [L1155] COND FALSE !(s->state == 4385) [L1158] EXPR s->state [L1158] COND TRUE s->state == 4400 [L1336] EXPR s->s3 [L1336] EXPR (s->s3)->tmp.new_cipher [L1336] EXPR ((s->s3)->tmp.new_cipher)->algorithms [L1336] COND FALSE !(((s->s3)->tmp.new_cipher)->algorithms & 256UL) [L1339] ret = __VERIFIER_nondet_int() [L1340] COND TRUE blastFlag == 2 [L1341] blastFlag = 3 [L1345] COND FALSE !(ret <= 0) [L1351] s->state = 4416 [L1352] s->init_num = 0 [L1600] EXPR s->s3 [L1600] EXPR (s->s3)->tmp.reuse_message [L1600] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1629] skip = 0 [L1128] COND TRUE 1 [L1130] EXPR s->state [L1130] state = s->state [L1131] EXPR s->state [L1131] COND FALSE !(s->state == 12292) [L1134] EXPR s->state [L1134] COND FALSE !(s->state == 16384) [L1137] EXPR s->state [L1137] COND FALSE !(s->state == 4096) [L1140] EXPR s->state [L1140] COND FALSE !(s->state == 20480) [L1143] EXPR s->state [L1143] COND FALSE !(s->state == 4099) [L1146] EXPR s->state [L1146] COND FALSE !(s->state == 4368) [L1149] EXPR s->state [L1149] COND FALSE !(s->state == 4369) [L1152] EXPR s->state [L1152] COND FALSE !(s->state == 4384) [L1155] EXPR s->state [L1155] COND FALSE !(s->state == 4385) [L1158] EXPR s->state [L1158] COND FALSE !(s->state == 4400) [L1161] EXPR s->state [L1161] COND FALSE !(s->state == 4401) [L1164] EXPR s->state [L1164] COND TRUE s->state == 4416 [L1356] ret = __VERIFIER_nondet_int() [L1357] COND TRUE blastFlag == 3 [L1358] blastFlag = 4 [L1362] COND FALSE !(ret <= 0) [L1367] s->state = 4432 [L1368] s->init_num = 0 [L1369] COND FALSE !(! tmp___6) [L1600] EXPR s->s3 [L1600] EXPR (s->s3)->tmp.reuse_message [L1600] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1629] skip = 0 [L1128] COND TRUE 1 [L1130] EXPR s->state [L1130] state = s->state [L1131] EXPR s->state [L1131] COND FALSE !(s->state == 12292) [L1134] EXPR s->state [L1134] COND FALSE !(s->state == 16384) [L1137] EXPR s->state [L1137] COND FALSE !(s->state == 4096) [L1140] EXPR s->state [L1140] COND FALSE !(s->state == 20480) [L1143] EXPR s->state [L1143] COND FALSE !(s->state == 4099) [L1146] EXPR s->state [L1146] COND FALSE !(s->state == 4368) [L1149] EXPR s->state [L1149] COND FALSE !(s->state == 4369) [L1152] EXPR s->state [L1152] COND FALSE !(s->state == 4384) [L1155] EXPR s->state [L1155] COND FALSE !(s->state == 4385) [L1158] EXPR s->state [L1158] COND FALSE !(s->state == 4400) [L1161] EXPR s->state [L1161] COND FALSE !(s->state == 4401) [L1164] EXPR s->state [L1164] COND FALSE !(s->state == 4416) [L1167] EXPR s->state [L1167] COND FALSE !(s->state == 4417) [L1170] EXPR s->state [L1170] COND TRUE s->state == 4432 [L1378] ret = __VERIFIER_nondet_int() [L1379] COND TRUE blastFlag == 4 [L1641] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 129 locations, 1 error locations. Result: UNKNOWN, OverallTime: 576.9s, OverallIterations: 3, TraceHistogramMax: 5, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 500 SDtfs, 806 SDslu, 675 SDs, 0 SdLazy, 57 SolverSat, 26 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=512occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 16630 SizeOfPredicates, 1 NumberOfNonLiveVariables, 273 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 66/66 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: 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...