./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh/s3_srvr.blast.01.i.cil-2.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_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_srvr.blast.01.i.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/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 9eb992f5fc2d1a4c635ca3f801d15ea699dd32d7 ...................................................................................................................................... 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_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh/s3_srvr.blast.01.i.cil-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/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 9eb992f5fc2d1a4c635ca3f801d15ea699dd32d7 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:46:58,090 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:46:58,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:46:58,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:46:58,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:46:58,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:46:58,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:46:58,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:46:58,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:46:58,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:46:58,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:46:58,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:46:58,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:46:58,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:46:58,107 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:46:58,108 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:46:58,109 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:46:58,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:46:58,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:46:58,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:46:58,113 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:46:58,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:46:58,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:46:58,115 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:46:58,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:46:58,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:46:58,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:46:58,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:46:58,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:46:58,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:46:58,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:46:58,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:46:58,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:46:58,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:46:58,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:46:58,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:46:58,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:46:58,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:46:58,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:46:58,122 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:46:58,122 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:46:58,123 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 11:46:58,133 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:46:58,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:46:58,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:46:58,134 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:46:58,134 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:46:58,134 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:46:58,134 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 11:46:58,134 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:46:58,135 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:46:58,135 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 11:46:58,135 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 11:46:58,135 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:46:58,135 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 11:46:58,135 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 11:46:58,136 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 11:46:58,136 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:46:58,136 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:46:58,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:46:58,136 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:46:58,137 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:46:58,137 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:46:58,137 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:46:58,137 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:46:58,137 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:46:58,137 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:46:58,137 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:46:58,137 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:46:58,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:46:58,138 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:46:58,138 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:46:58,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:46:58,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:46:58,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:46:58,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:46:58,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:46:58,138 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 11:46:58,139 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:46:58,139 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:46:58,139 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:46:58,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:46:58,139 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_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/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 -> 9eb992f5fc2d1a4c635ca3f801d15ea699dd32d7 [2019-12-07 11:46:58,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:46:58,249 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:46:58,252 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:46:58,253 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:46:58,254 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:46:58,254 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/../../sv-benchmarks/c/ssh/s3_srvr.blast.01.i.cil-2.c [2019-12-07 11:46:58,293 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/data/b2a7cbb00/64c95c26531e4b84928cf2ef8425a1e0/FLAG2389852e2 [2019-12-07 11:46:58,769 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:46:58,770 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/sv-benchmarks/c/ssh/s3_srvr.blast.01.i.cil-2.c [2019-12-07 11:46:58,782 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/data/b2a7cbb00/64c95c26531e4b84928cf2ef8425a1e0/FLAG2389852e2 [2019-12-07 11:46:59,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/data/b2a7cbb00/64c95c26531e4b84928cf2ef8425a1e0 [2019-12-07 11:46:59,048 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:46:59,049 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:46:59,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:46:59,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:46:59,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:46:59,052 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:46:59" (1/1) ... [2019-12-07 11:46:59,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682713a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:46:59, skipping insertion in model container [2019-12-07 11:46:59,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:46:59" (1/1) ... [2019-12-07 11:46:59,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:46:59,099 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:46:59,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:46:59,399 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 11:46:59,399 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@723e5090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:46:59, skipping insertion in model container [2019-12-07 11:46:59,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:46:59,399 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2019-12-07 11:46:59,401 INFO L168 Benchmark]: Toolchain (without parser) took 351.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -143.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:46:59,402 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:46:59,402 INFO L168 Benchmark]: CACSL2BoogieTranslator took 349.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 25.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:46:59,404 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 954.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 349.50 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -144.3 MB). Peak memory consumption was 25.4 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 11:47:00,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:47:00,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:47:00,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:47:00,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:47:00,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:47:00,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:47:00,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:47:00,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:47:00,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:47:00,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:47:00,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:47:00,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:47:00,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:47:00,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:47:00,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:47:00,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:47:00,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:47:00,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:47:00,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:47:00,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:47:00,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:47:00,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:47:00,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:47:00,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:47:00,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:47:00,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:47:00,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:47:00,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:47:00,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:47:00,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:47:00,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:47:00,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:47:00,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:47:00,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:47:00,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:47:00,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:47:00,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:47:00,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:47:00,542 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:47:00,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:47:00,543 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 11:47:00,553 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:47:00,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:47:00,554 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 11:47:00,554 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 11:47:00,554 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 11:47:00,554 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 11:47:00,554 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 11:47:00,555 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 11:47:00,555 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 11:47:00,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:47:00,555 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:47:00,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:47:00,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:47:00,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:47:00,556 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:47:00,556 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:47:00,556 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 11:47:00,556 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 11:47:00,557 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 11:47:00,557 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:47:00,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:47:00,557 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:47:00,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:47:00,557 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:47:00,557 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:47:00,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:47:00,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:47:00,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:47:00,558 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:47:00,558 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:47:00,558 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:47:00,558 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 11:47:00,559 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 11:47:00,559 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:47:00,559 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:47:00,559 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 11:47:00,561 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_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/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 -> 9eb992f5fc2d1a4c635ca3f801d15ea699dd32d7 [2019-12-07 11:47:00,726 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:47:00,736 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:47:00,739 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:47:00,741 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:47:00,741 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:47:00,742 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/../../sv-benchmarks/c/ssh/s3_srvr.blast.01.i.cil-2.c [2019-12-07 11:47:00,785 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/data/05b7ebc53/6fe10deee0314a179f90eb289cebc410/FLAG63de4f146 [2019-12-07 11:47:01,216 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:47:01,216 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/sv-benchmarks/c/ssh/s3_srvr.blast.01.i.cil-2.c [2019-12-07 11:47:01,229 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/data/05b7ebc53/6fe10deee0314a179f90eb289cebc410/FLAG63de4f146 [2019-12-07 11:47:01,561 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/data/05b7ebc53/6fe10deee0314a179f90eb289cebc410 [2019-12-07 11:47:01,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:47:01,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:47:01,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:47:01,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:47:01,566 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:47:01,567 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:47:01" (1/1) ... [2019-12-07 11:47:01,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7a007c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:47:01, skipping insertion in model container [2019-12-07 11:47:01,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:47:01" (1/1) ... [2019-12-07 11:47:01,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:47:01,607 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:47:01,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:47:01,897 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2019-12-07 11:47:01,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:47:01,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:47:01,966 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:47:02,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:47:02,034 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:47:02,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:47:02 WrapperNode [2019-12-07 11:47:02,034 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:47:02,035 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:47:02,035 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:47:02,035 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:47:02,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:47:02" (1/1) ... [2019-12-07 11:47:02,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:47:02" (1/1) ... [2019-12-07 11:47:02,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:47:02,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:47:02,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:47:02,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:47:02,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:47:02" (1/1) ... [2019-12-07 11:47:02,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:47:02" (1/1) ... [2019-12-07 11:47:02,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:47:02" (1/1) ... [2019-12-07 11:47:02,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:47:02" (1/1) ... [2019-12-07 11:47:02,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:47:02" (1/1) ... [2019-12-07 11:47:02,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:47:02" (1/1) ... [2019-12-07 11:47:02,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:47:02" (1/1) ... [2019-12-07 11:47:02,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:47:02,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:47:02,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:47:02,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:47:02,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:47:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/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 11:47:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-07 11:47:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 11:47:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 11:47:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-12-07 11:47:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 11:47:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:47:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:47:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 11:47:02,421 WARN L738 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2019-12-07 11:47:11,833 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##87: assume false; [2019-12-07 11:47:11,833 INFO L691 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##88: assume !false; [2019-12-07 11:47:11,834 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:47:11,834 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 11:47:11,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:47:11 BoogieIcfgContainer [2019-12-07 11:47:11,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:47:11,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:47:11,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:47:11,838 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:47:11,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:47:01" (1/3) ... [2019-12-07 11:47:11,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66984e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:47:11, skipping insertion in model container [2019-12-07 11:47:11,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:47:02" (2/3) ... [2019-12-07 11:47:11,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66984e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:47:11, skipping insertion in model container [2019-12-07 11:47:11,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:47:11" (3/3) ... [2019-12-07 11:47:11,840 INFO L109 eAbstractionObserver]: Analyzing ICFG s3_srvr.blast.01.i.cil-2.c [2019-12-07 11:47:11,847 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:47:11,851 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:47:11,859 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:47:11,875 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:47:11,875 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:47:11,876 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:47:11,876 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:47:11,876 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:47:11,876 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:47:11,876 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:47:11,876 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:47:11,889 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2019-12-07 11:47:11,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-12-07 11:47:11,895 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:47:11,896 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:47:11,896 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:47:11,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:47:11,900 INFO L82 PathProgramCache]: Analyzing trace with hash 522834703, now seen corresponding path program 1 times [2019-12-07 11:47:11,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:47:11,909 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931097599] [2019-12-07 11:47:11,910 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/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 11:47:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:47:12,051 INFO L264 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:47:12,056 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:47:12,087 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 11:47:12,088 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:47:12,107 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 11:47:12,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931097599] [2019-12-07 11:47:12,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:47:12,108 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 11:47:12,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185461791] [2019-12-07 11:47:12,112 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:47:12,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:47:12,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:47:12,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:47:12,123 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 4 states. [2019-12-07 11:47:12,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:47:12,212 INFO L93 Difference]: Finished difference Result 549 states and 925 transitions. [2019-12-07 11:47:12,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:47:12,213 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2019-12-07 11:47:12,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:47:12,224 INFO L225 Difference]: With dead ends: 549 [2019-12-07 11:47:12,224 INFO L226 Difference]: Without dead ends: 373 [2019-12-07 11:47:12,227 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 86 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 11:47:12,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2019-12-07 11:47:12,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 371. [2019-12-07 11:47:12,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2019-12-07 11:47:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 562 transitions. [2019-12-07 11:47:12,275 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 562 transitions. Word has length 45 [2019-12-07 11:47:12,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:47:12,275 INFO L462 AbstractCegarLoop]: Abstraction has 371 states and 562 transitions. [2019-12-07 11:47:12,275 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:47:12,276 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 562 transitions. [2019-12-07 11:47:12,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2019-12-07 11:47:12,278 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:47:12,278 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:47:12,479 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 11:47:12,480 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:47:12,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:47:12,481 INFO L82 PathProgramCache]: Analyzing trace with hash -60762572, now seen corresponding path program 1 times [2019-12-07 11:47:12,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:47:12,483 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1465621999] [2019-12-07 11:47:12,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/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 11:47:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:47:12,728 INFO L264 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:47:12,731 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:47:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:47:12,745 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:47:12,760 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:47:12,760 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1465621999] [2019-12-07 11:47:12,760 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:47:12,760 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 11:47:12,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011405427] [2019-12-07 11:47:12,762 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:47:12,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:47:12,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:47:12,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:47:12,762 INFO L87 Difference]: Start difference. First operand 371 states and 562 transitions. Second operand 4 states. [2019-12-07 11:47:14,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:47:14,838 INFO L93 Difference]: Finished difference Result 853 states and 1299 transitions. [2019-12-07 11:47:14,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:47:14,839 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 63 [2019-12-07 11:47:14,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:47:14,842 INFO L225 Difference]: With dead ends: 853 [2019-12-07 11:47:14,842 INFO L226 Difference]: Without dead ends: 611 [2019-12-07 11:47:14,844 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 122 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 11:47:14,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2019-12-07 11:47:14,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 609. [2019-12-07 11:47:14,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2019-12-07 11:47:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 922 transitions. [2019-12-07 11:47:14,870 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 922 transitions. Word has length 63 [2019-12-07 11:47:14,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:47:14,871 INFO L462 AbstractCegarLoop]: Abstraction has 609 states and 922 transitions. [2019-12-07 11:47:14,871 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:47:14,885 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 922 transitions. [2019-12-07 11:47:14,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-07 11:47:14,890 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:47:14,891 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 11:47:15,091 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 11:47:15,092 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:47:15,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:47:15,098 INFO L82 PathProgramCache]: Analyzing trace with hash -2005677060, now seen corresponding path program 1 times [2019-12-07 11:47:15,100 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:47:15,101 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573698812] [2019-12-07 11:47:15,101 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/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 11:47:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:47:15,272 INFO L264 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:47:15,275 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:47:15,293 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 11:47:15,293 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 11:47:15,317 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 11:47:15,317 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573698812] [2019-12-07 11:47:15,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:47:15,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2019-12-07 11:47:15,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242573792] [2019-12-07 11:47:15,318 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:47:15,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 11:47:15,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:47:15,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:47:15,319 INFO L87 Difference]: Start difference. First operand 609 states and 922 transitions. Second operand 4 states. [2019-12-07 11:47:17,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:47:17,173 INFO L93 Difference]: Finished difference Result 1091 states and 1654 transitions. [2019-12-07 11:47:17,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:47:17,173 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 123 [2019-12-07 11:47:17,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:47:17,176 INFO L225 Difference]: With dead ends: 1091 [2019-12-07 11:47:17,176 INFO L226 Difference]: Without dead ends: 611 [2019-12-07 11:47:17,177 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 242 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 11:47:17,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2019-12-07 11:47:17,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611. [2019-12-07 11:47:17,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2019-12-07 11:47:17,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 918 transitions. [2019-12-07 11:47:17,194 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 918 transitions. Word has length 123 [2019-12-07 11:47:17,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:47:17,194 INFO L462 AbstractCegarLoop]: Abstraction has 611 states and 918 transitions. [2019-12-07 11:47:17,194 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:47:17,194 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 918 transitions. [2019-12-07 11:47:17,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-12-07 11:47:17,195 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:47:17,196 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:47:17,396 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 11:47:17,397 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:47:17,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:47:17,398 INFO L82 PathProgramCache]: Analyzing trace with hash -877709346, now seen corresponding path program 1 times [2019-12-07 11:47:17,400 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 11:47:17,400 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [33182260] [2019-12-07 11:47:17,400 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 11:47:17,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:47:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:47:18,445 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 11:47:18,445 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 11:47:18,645 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 11:47:18,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:47:18 BoogieIcfgContainer [2019-12-07 11:47:18,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:47:18,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:47:18,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:47:18,790 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:47:18,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:47:11" (3/4) ... [2019-12-07 11:47:18,792 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 11:47:18,870 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7ebb9993-f092-43a8-bb4a-0e0fb20b1bff/bin/utaipan/witness.graphml [2019-12-07 11:47:18,870 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:47:18,871 INFO L168 Benchmark]: Toolchain (without parser) took 17307.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.7 MB). Free memory was 947.0 MB in the beginning and 963.0 MB in the end (delta: -16.0 MB). Peak memory consumption was 182.7 MB. Max. memory is 11.5 GB. [2019-12-07 11:47:18,871 INFO L168 Benchmark]: CDTParser took 0.18 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 11:47:18,872 INFO L168 Benchmark]: CACSL2BoogieTranslator took 470.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -126.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. [2019-12-07 11:47:18,872 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:47:18,872 INFO L168 Benchmark]: Boogie Preprocessor took 52.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:47:18,872 INFO L168 Benchmark]: RCFGBuilder took 9692.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 928.3 MB in the end (delta: 132.0 MB). Peak memory consumption was 132.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:47:18,872 INFO L168 Benchmark]: TraceAbstraction took 6953.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 928.3 MB in the beginning and 985.6 MB in the end (delta: -57.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:47:18,873 INFO L168 Benchmark]: Witness Printer took 79.82 ms. Allocated memory is still 1.2 GB. Free memory was 985.6 MB in the beginning and 963.0 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:47:18,874 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 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 470.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -126.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.62 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9692.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 928.3 MB in the end (delta: 132.0 MB). Peak memory consumption was 132.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6953.98 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 77.6 MB). Free memory was 928.3 MB in the beginning and 985.6 MB in the end (delta: -57.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Witness Printer took 79.82 ms. Allocated memory is still 1.2 GB. Free memory was 985.6 MB in the beginning and 963.0 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1706]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1042] static int init = 1; [L1043] static SSL_METHOD SSLv3_server_data ; VAL [init=1, SSLv3_server_data={15:0}] [L1065] SSL *s ; [L1066] int tmp ; [L1070] s = malloc(sizeof(SSL)) [L1071] s->s3 = malloc(sizeof(struct ssl3_state_st)) [L1072] s->ctx = malloc(sizeof(SSL_CTX)) [L1073] s->session = malloc(sizeof(SSL_SESSION)) [L1074] s->state = 8464 [L1081] BUF_MEM *buf = (BUF_MEM *)__VERIFIER_nondet_ulong(); [L1082] unsigned long l ; [L1083] unsigned long Time ; [L1084] unsigned long tmp = __VERIFIER_nondet_long() ; [L1085] void (*cb)() ; [L1086] long num1 ; [L1087] int ret ; [L1088] int new_state ; [L1089] int state ; [L1090] int skip ; [L1091] int got_new_session ; [L1092] int tmp___1 = __VERIFIER_nondet_int() ; [L1093] int tmp___2 = __VERIFIER_nondet_int() ; [L1094] int tmp___3 ; [L1095] int tmp___4 ; [L1096] int tmp___5 ; [L1097] int tmp___6 ; [L1098] int tmp___7 ; [L1099] long tmp___8 = __VERIFIER_nondet_long() ; [L1100] int tmp___9 ; [L1101] int tmp___10 ; [L1102] int blastFlag ; [L1106] blastFlag = 0 [L1107] s->hit=__VERIFIER_nondet_int () [L1108] s->state = 8464 [L1109] Time = tmp [L1110] cb = (void (*)())((void *)0) [L1111] ret = -1 [L1112] skip = 0 [L1113] got_new_session = 0 [L1114] EXPR s->info_callback VAL [init=1, SSLv3_server_data={15:0}] [L1114] COND TRUE (unsigned long )s->info_callback != (unsigned long )((void *)0) [L1115] EXPR s->info_callback [L1115] cb = s->info_callback [L1119] EXPR s->in_handshake [L1119] s->in_handshake += 1 [L1120] COND FALSE !(tmp___1 & 12288) VAL [init=1, SSLv3_server_data={15:0}] [L1129] EXPR s->cert VAL [init=1, SSLv3_server_data={15:0}] [L1129] COND FALSE !((unsigned long )s->cert == (unsigned long )((void *)0)) [L1135] COND TRUE 1 VAL [init=1, SSLv3_server_data={15:0}] [L1137] EXPR s->state [L1137] state = s->state [L1138] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1138] COND FALSE !(s->state == 12292) [L1141] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1141] COND FALSE !(s->state == 16384) [L1144] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1144] COND FALSE !(s->state == 8192) [L1147] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1147] COND FALSE !(s->state == 24576) [L1150] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1150] COND FALSE !(s->state == 8195) [L1153] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1153] COND FALSE !(s->state == 8480) [L1156] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1156] COND FALSE !(s->state == 8481) [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1159] COND FALSE !(s->state == 8482) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1162] COND TRUE s->state == 8464 [L1318] s->shutdown = 0 [L1319] ret = __VERIFIER_nondet_int() [L1320] COND TRUE blastFlag == 0 [L1321] blastFlag = 1 VAL [init=1, SSLv3_server_data={15:0}] [L1325] COND FALSE !(ret <= 0) [L1330] got_new_session = 1 [L1331] s->state = 8496 [L1332] s->init_num = 0 VAL [init=1, SSLv3_server_data={15:0}] [L1665] EXPR s->s3 [L1665] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={15:0}] [L1665] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1694] skip = 0 VAL [init=1, SSLv3_server_data={15:0}] [L1135] COND TRUE 1 VAL [init=1, SSLv3_server_data={15:0}] [L1137] EXPR s->state [L1137] state = s->state [L1138] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1138] COND FALSE !(s->state == 12292) [L1141] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1141] COND FALSE !(s->state == 16384) [L1144] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1144] COND FALSE !(s->state == 8192) [L1147] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1147] COND FALSE !(s->state == 24576) [L1150] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1150] COND FALSE !(s->state == 8195) [L1153] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1153] COND FALSE !(s->state == 8480) [L1156] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1156] COND FALSE !(s->state == 8481) [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1159] COND FALSE !(s->state == 8482) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1162] COND FALSE !(s->state == 8464) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1165] COND FALSE !(s->state == 8465) [L1168] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1168] COND FALSE !(s->state == 8466) [L1171] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1171] COND TRUE s->state == 8496 [L1336] ret = __VERIFIER_nondet_int() [L1337] COND TRUE blastFlag == 1 [L1338] blastFlag = 2 VAL [init=1, SSLv3_server_data={15:0}] [L1342] COND FALSE !(ret <= 0) [L1347] s->hit VAL [init=1, SSLv3_server_data={15:0}] [L1347] COND TRUE s->hit [L1348] s->state = 8656 VAL [init=1, SSLv3_server_data={15:0}] [L1352] s->init_num = 0 VAL [init=1, SSLv3_server_data={15:0}] [L1665] EXPR s->s3 [L1665] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={15:0}] [L1665] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1694] skip = 0 VAL [init=1, SSLv3_server_data={15:0}] [L1135] COND TRUE 1 VAL [init=1, SSLv3_server_data={15:0}] [L1137] EXPR s->state [L1137] state = s->state [L1138] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1138] COND FALSE !(s->state == 12292) [L1141] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1141] COND FALSE !(s->state == 16384) [L1144] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1144] COND FALSE !(s->state == 8192) [L1147] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1147] COND FALSE !(s->state == 24576) [L1150] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1150] COND FALSE !(s->state == 8195) [L1153] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1153] COND FALSE !(s->state == 8480) [L1156] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1156] COND FALSE !(s->state == 8481) [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1159] COND FALSE !(s->state == 8482) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1162] COND FALSE !(s->state == 8464) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1165] COND FALSE !(s->state == 8465) [L1168] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1168] COND FALSE !(s->state == 8466) [L1171] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1171] COND FALSE !(s->state == 8496) [L1174] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1174] COND FALSE !(s->state == 8497) [L1177] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1177] COND FALSE !(s->state == 8512) [L1180] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1180] COND FALSE !(s->state == 8513) [L1183] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1183] COND FALSE !(s->state == 8528) [L1186] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1186] COND FALSE !(s->state == 8529) [L1189] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1189] COND FALSE !(s->state == 8544) [L1192] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1192] COND FALSE !(s->state == 8545) [L1195] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1195] COND FALSE !(s->state == 8560) [L1198] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1198] COND FALSE !(s->state == 8561) [L1201] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1201] COND FALSE !(s->state == 8448) [L1204] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1204] COND FALSE !(s->state == 8576) [L1207] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1207] COND FALSE !(s->state == 8577) [L1210] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1210] COND FALSE !(s->state == 8592) [L1213] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1213] COND FALSE !(s->state == 8593) [L1216] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1216] COND FALSE !(s->state == 8608) [L1219] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1219] COND FALSE !(s->state == 8609) [L1222] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1222] COND FALSE !(s->state == 8640) [L1225] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1225] COND FALSE !(s->state == 8641) [L1228] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1228] COND TRUE s->state == 8656 [L1552] EXPR s->session [L1552] EXPR s->s3 [L1552] EXPR (s->s3)->tmp.new_cipher [L1552] (s->session)->cipher = (s->s3)->tmp.new_cipher [L1553] tmp___9 = __VERIFIER_nondet_int() [L1554] COND FALSE !(! tmp___9) [L1560] ret = __VERIFIER_nondet_int() [L1561] COND TRUE blastFlag == 2 [L1562] blastFlag = 5 VAL [init=1, SSLv3_server_data={15:0}] [L1566] COND FALSE !(ret <= 0) [L1571] s->state = 8672 [L1572] s->init_num = 0 [L1573] tmp___10 = __VERIFIER_nondet_int() [L1574] COND FALSE !(! tmp___10) VAL [init=1, SSLv3_server_data={15:0}] [L1665] EXPR s->s3 [L1665] EXPR (s->s3)->tmp.reuse_message VAL [init=1, SSLv3_server_data={15:0}] [L1665] COND FALSE !(! (s->s3)->tmp.reuse_message) [L1694] skip = 0 VAL [init=1, SSLv3_server_data={15:0}] [L1135] COND TRUE 1 VAL [init=1, SSLv3_server_data={15:0}] [L1137] EXPR s->state [L1137] state = s->state [L1138] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1138] COND FALSE !(s->state == 12292) [L1141] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1141] COND FALSE !(s->state == 16384) [L1144] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1144] COND FALSE !(s->state == 8192) [L1147] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1147] COND FALSE !(s->state == 24576) [L1150] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1150] COND FALSE !(s->state == 8195) [L1153] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1153] COND FALSE !(s->state == 8480) [L1156] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1156] COND FALSE !(s->state == 8481) [L1159] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1159] COND FALSE !(s->state == 8482) [L1162] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1162] COND FALSE !(s->state == 8464) [L1165] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1165] COND FALSE !(s->state == 8465) [L1168] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1168] COND FALSE !(s->state == 8466) [L1171] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1171] COND FALSE !(s->state == 8496) [L1174] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1174] COND FALSE !(s->state == 8497) [L1177] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1177] COND FALSE !(s->state == 8512) [L1180] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1180] COND FALSE !(s->state == 8513) [L1183] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1183] COND FALSE !(s->state == 8528) [L1186] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1186] COND FALSE !(s->state == 8529) [L1189] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1189] COND FALSE !(s->state == 8544) [L1192] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1192] COND FALSE !(s->state == 8545) [L1195] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1195] COND FALSE !(s->state == 8560) [L1198] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1198] COND FALSE !(s->state == 8561) [L1201] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1201] COND FALSE !(s->state == 8448) [L1204] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1204] COND FALSE !(s->state == 8576) [L1207] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1207] COND FALSE !(s->state == 8577) [L1210] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1210] COND FALSE !(s->state == 8592) [L1213] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1213] COND FALSE !(s->state == 8593) [L1216] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1216] COND FALSE !(s->state == 8608) [L1219] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1219] COND FALSE !(s->state == 8609) [L1222] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1222] COND FALSE !(s->state == 8640) [L1225] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1225] COND FALSE !(s->state == 8641) [L1228] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1228] COND FALSE !(s->state == 8656) [L1231] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1231] COND FALSE !(s->state == 8657) [L1234] EXPR s->state VAL [init=1, SSLv3_server_data={15:0}] [L1234] COND TRUE s->state == 8672 [L1583] ret = __VERIFIER_nondet_int() [L1584] COND FALSE !(blastFlag == 4) VAL [init=1, SSLv3_server_data={15:0}] [L1587] COND TRUE blastFlag == 5 VAL [init=1, SSLv3_server_data={15:0}] [L1706] __VERIFIER_error() VAL [init=1, SSLv3_server_data={15:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 145 locations, 1 error locations. Result: UNSAFE, OverallTime: 6.7s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 951 SDtfs, 1145 SDslu, 976 SDs, 0 SdLazy, 85 SolverSat, 31 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 456 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=611occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 357 NumberOfCodeBlocks, 357 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 456 ConstructedInterpolants, 0 QuantifiedInterpolants, 120522 SizeOfPredicates, 2 NumberOfNonLiveVariables, 617 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 224/224 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 proved your program to be incorrect! Received shutdown request...